Best Free AI Search Optimization (AISO) Software of 2026

Semrush

Semrush One is an all-in-one digital marketing platform designed to help brands win visibility across search engines, AI platforms, and emerging discovery channels. It unites traditional SEO tools with advanced AI search and GEO capabilities to measure and grow brand presence everywhere users search. The platform supports optimization across Google, ChatGPT, Perplexity, Gemini, and more from a single interface. Semrush One offers toolkits for SEO, content marketing, traffic analysis, local search, advertising, social media, AI visibility, and digital PR. Powered by one of the world’s largest AI-driven marketing databases, it delivers deep insights competitors can’t easily replicate. Enterprises and marketers use Semrush One to forecast traffic, revenue, and ROI with confidence. Trusted by millions of professionals and global brands, Semrush One acts as a central growth engine for digital visibility.

18 Ratings

View Software

Rankscale

Rankscale.ai

Rankscale.ai is the next generation platform for Generative Engine Optimization (GEO)—built to help brands, SaaS products, and digital businesses dominate visibility in AI-driven search engines like ChatGPT, AI Overviews (Google SGE), Perplexity, Claude, Mistral, and DeepSeek. Unlike legacy SEO tools stuck in the past, Rankscale is engineered for the AI-first web. It offers daily tracking of your AI search footprint, deep citation analysis (currently across ChatGPT, Perplexity, and AI Overviews), and powerful filtering, searching, and categorization of citations—so you can quickly see who’s mentioning you, where, and why.

4 Ratings

Starting Price: $20/month

View Software

Sill

Sill AI

Sill is the intelligence platform for AI brand visibility. It tracks how ChatGPT, Gemini, Perplexity, Claude, Grok, and Google AI Overviews recommend your brand, then helps you improve it. Four modules close the loop: Pulse — Daily visibility tracking across 6 AI platforms. Share of Voice, citations, sentiment, competitive benchmarking. Vanguard — Citation intelligence and hallucination detection. Know which sources AI trusts, catch misinformation before customers see it. Compass — Prioritized content recommendations with target URLs, impact estimates, and step-by-step instructions. Lab — Controlled before/after experiments that prove whether your content changes actually moved the needle. Statistical confidence, no A/B test setup required. Start free. Setup in 2 minutes. Works for websites of all sizes.

Starting Price: $90/month

View Software

GEO Metrics

GEO Metrics (formerly LLMO Metrics) is a platform designed to track, analyze, and optimize your brand's presence in AI-generated responses across platforms like ChatGPT, Gemini, Copilot, AI Overviews, DeepSeek, Claude, and Perplexity. Recognizing that AI is becoming the new search engine, GEO Metrics helps businesses ensure they are mentioned accurately and favorably in AI-driven queries. It offers features such as Generative Engine Optimization, which allows users to see where their brand ranks for key queries compared to competitors, with historical tracking. It also provides Answer Correction & Validation to ensure AIs provide accurate responses about your business by tracking deviations from the ground truth answers you provide. Additionally, GEO Metrics enables monitoring of how AIs rank your brand and competitors, offering insights into which web pages are used as sources for AI responses.

14 Ratings

Starting Price: €80 per month

View Software

Waikay

InLinks Optimization LTD

Waikay is an innovative platform that helps businesses understand how major AI models perceive their brand by constructing a personalized knowledge graph based on their website content. It assesses AI understanding of critical brand topics, scoring brand visibility per model and benchmarking these results against competitors to highlight strengths and gaps. The platform detects hallucinations—instances where AI generates incorrect or fabricated information—while verifying factual claims to maintain brand integrity. Waikay provides detailed, model-specific analyses and content recommendations to improve brand visibility and accuracy in AI-driven search results. By uncovering where AI models go wrong, it equips SEOs, marketers, PR professionals, and analysts with the insights needed to shape and safeguard their brand narrative.

1 Rating

Starting Price: $19.95/month

View Software

Scriptbee

Scriptbee is an AI-powered AI search optimization and analytics platform that helps businesses understand, monitor, and improve their visibility across emerging AI search and answer engines by tracking when and how often AI assistants mention their brand, measuring sentiment and share of voice, and revealing which prompts trigger visibility or gaps. It provides AI search data and performance analytics so teams can benchmark their visibility against competitors, measure trends over time, and identify prompts where they are missing critical exposure. Scriptbee also includes content gap and competitor analysis tools that pinpoint topics your competitors cover that you don’t, helping you generate or optimize content to fill those gaps and increase relevance. It tracks performance across multiple AI answer engines in a unified dashboard, shows citation sources that influence how AI systems cite content, and supplies insights that connect optimization efforts to real-world visibility.

1 Rating

Starting Price: €33 per month

View Software

GeoVector

GeoVector is an AI search visibility intelligence platform that helps businesses track, analyze, and optimize how they appear across AI-powered search engines like ChatGPT, Claude, and Google Gemini. Over 900 million people now search with AI weekly, yet most businesses have no idea whether AI assistants recommend them or their competitors. GeoVector closes that gap. The platform automatically maps competitive landscapes and generates expert-curated prompt libraries aligned to the buyer journey. It queries ChatGPT, Claude, and Gemini on a weekly cadence, capturing full AI responses and computing Share of Voice using position-adjusted methodologies. A built-in content engine generates publish-ready content optimized for AI citation. Purpose-built for Generative Engine Optimization (GEO), GeoVector serves CMOs, SEO professionals, brand managers, and digital marketing agencies adapting their visibility strategy for an AI-first world.

1 Rating

Starting Price: Free; paid plans from $199/mon

View Software

SpyderBot

SPYDERBOT INC.

SpyderBot is a GEO (Generative Engine Optimization) and marketing analytics platform that helps businesses understand and improve how their brand appears across AI-driven search environments such as ChatGPT, Gemini, Grok, and Copilot. As search evolves beyond traditional engines, visibility is increasingly driven by mentions, citations, and entity relevance within AI-generated responses. SpyderBot provides analytics to track and optimize these signals. The platform enables teams to: - Monitor brand mentions and citations across AI platforms - Analyze share of voice in AI-generated answers - Track AI-driven traffic and referral behavior - Benchmark visibility against competitors - Identify trends in how AI systems surface brands SpyderBot bridges the gap between traditional SEO and GEO by providing a data-driven layer for understanding visibility in AI search. It is designed for marketing teams, SEO/GEO specialists, agencies, and SaaS companies looking to adapt to the

1 Rating

Starting Price: $99/month

View Software

Sellm

Sellm is the ultimate brand tracking tool for marketing teams who want complete control over their online presence. Sellm tracks and analyzes brand mentions in multiple LLM platforms, as ChatGPT, Gemini and Perplexity offering key insights for your strategy. Thanks to advanced LLM brand mention monitoring software, Sellm helps you spot opportunities, manage reputation, and stay ahead of competitors. With Sellm, your brand receives clear reports on mentions, keywords, and competitor activity. Optimize your brand visibility on LLMs and protect your brand with Sellm, the benchmark in llm brand tracking tools.

1 Rating

Starting Price: $29/month

View Software

Cairrot

Cairrot is an AI Visibility tool that improves your position in AI search as soon as you install it. Cairrot is the only AI visibility tool that offers a Wordpress plugin, that tracks LLM crawl logs for free, and offers an API so you can build your own internal marketing tools. Cairrot publishes actionable tutorials for Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO). We help marketers and marketing agencies rank websites on LLMs like ChatGPT, Perplexity, Gemini, Claude, Grok, and more. We also share data studies from our internal research and marketing experiments. As one of the most trusted AI Visibility tools, we are proud to share free insights for marketers to track, optimize, and rank in AI search. Cairrot shows marketing teams and agencies how to get ranked and win traffic from LLMs like ChatGPT, Perplexity, Gemini, Claude, Grok, and more. You’ll find useful tutorials on topics like AI visibility, LLM algorithms, and AEO strategies.

1 Rating

Starting Price: $39.99/month

View Software

Mangools

Mangools is a package of super-user friendly SEO tools to cover everything from keyword research, rank tracking to competitor analysis & backlink analysis. 1. KWFinder is one of the most popular keyword tools with accurate keyword difficulty, precise local SEO data and search engine results for more than 50k locations. 2. SERPChecker shows you search results for more than 50k locations with SERP features, their impact on the organic search results and 45 SEO metrics. 3. SERPWatcher is a rank tracker to track both mobile/desktop ranks. It comes with aggregate metrics, daily updated ranks and charts to quickly see the overall ranking progress. 4. LinkMiner lets you find the most powerful backlinks of your competitors with a preview of anchor texts on the referring website. 5. SiteProfiler is an SEO analysis tool with all the essential SEO metrics & insights under one roof. 6. Mangools AI Search Grader is a free GEO (Generative Engine Optimization) tool

Starting Price: $29.90 per month

View Software

Hall

Hall helps you understand and measure how your business and website appears in the millions of questions people are asking AI. Hall monitors and tracks real questions across conversational AI platforms like ChatGPT, Gemini, Google AI Overviews, Microsoft Copilot, Perplexity, Claude, and more. With Hall, you can monitor how your brand and company appears in AI conversations, see the conversations where your website is referenced and cited, and observe how autonomous AI agents are using your website.

Starting Price: $199/month

View Software

Geordy

Geordy is an AI-powered platform that transforms any URL into GEO (Generative Engine Optimization) ready content, fast, simple, and automated. It optimizes websites using AI technologies, enabling seamless integration with tools like ChatGPT, Perplexity, and Gemini. Geordy supports various formats, including Markdown, YAML, llms.txt, and schema.org, facilitating enhanced content structuring and discoverability. By automating the optimization process, Geordy streamlines the enhancement of web content for better performance and accessibility.

Starting Price: Free

View Software

Kai

Kai Footprint

Kai is a platform designed to help businesses improve their visibility across AI-driven search engines like ChatGPT. With its advanced AI brand analytics, Kai tracks brand mentions, keywords, and competitor performance, enabling companies to increase their presence in AI-generated responses. It offers insights into AI search performance, helping businesses adjust their marketing strategies and climb the rankings. With features like real-time reporting, competitor monitoring, and actionable recommendations, Kai ensures your brand is seen by the right audience in AI-powered conversations.

Starting Price: $99/month

View Software

Knowatoa

Knowatoa is an AI brand monitoring platform designed to help businesses understand and optimize their presence across AI-driven search services like ChatGPT, Claude, Perplexity, and Google's AI Overviews. It enables users to discover how their site ranks in AI search, ensuring that AI services correctly describe their company's products and services, consider the company positively, and rank it higher than competitors. It tracks the types of searches traditionally done against search engines and applies them to AI models, offering cross-AI model tracking without the need for users to monitor each individually. Knowatoa compares model results to a company's products and services to ensure AI models provide the best results for the business. It also allows users to list and track competitors to see how they are performing against their own AI rankings. By identifying and correcting common mistakes, such as blocking AI data collection bots, denying third-party sources, etc.

Starting Price: $39 per month

View Software

LLMrefs

LLMrefs is an AI SEO platform designed to enhance brand visibility within AI-driven search engines such as ChatGPT, Claude, Gemini, Perplexity, and Grok. It enables users to monitor how their brand is represented across these platforms, providing insights into keyword rankings and the sources AI tools reference when discussing their brand. By analyzing mentions and comparing visibility scores with competitors, LLMrefs assists users in optimizing their content for better alignment with AI search behaviors. It offers a user-friendly interface, allowing sign-ups via email, Google, or Microsoft accounts, and does not require a credit card to get started. It is trusted by SEO professionals, founders, and industry leaders seeking to adapt to the evolving landscape of AI-powered search.

Starting Price: $79 per month

View Software

Trendhopper

TrendHopper is a modern, all‑in‑one blogging platform that combines free, managed blog hosting with powerful AI‑driven content automation and SEO tools to help individuals and teams produce consistently high‑ranking, engaging content with minimal effort. From a single dashboard, you can ideate data‑backed topics drawn from sources like Reddit, generate structured outlines and first drafts, and refine prose using an integrated editor that ensures clarity, tone, and keyword optimization. Built‑in scheduling automates publication across customizable domains, while automated SEO checks handle metadata, internal linking suggestions, and readability scoring to maximize organic reach. TrendHopper also manages image sourcing and captioning, auto‑formats posts for mobile‑friendly display, and offers site analytics that track traffic growth, engagement metrics, and ranking improvements over time.

Starting Price: $9.99 per month

View Software

Radix AI

Radix AI is the most accurate and cost effective way to track and improve how your brand shows up in AI search results across platforms like ChatGPT, Perplexity, Gemini, and Google AI Overviews. We show you exactly where and how your brand is mentioned, which pages get cited, and how you compare to competitors. You can analyze raw LLM output, export the data into Excel, and run custom reports. We also help you test how prompt phrasing affects visibility, so you can fine-tune your messaging. Coming soon: sentiment analysis, brand fact-checking, and more tools to help you win in AI-driven search. Radix gives you the clarity and control to consistently drive traffic and mentions from AI search engines.

Starting Price: $49/month

View Software

Omnia

Omnia is an AI-driven brand visibility and optimization platform that helps organizations track, monitor, and improve how their website, products, and services appear in answers and citations from major AI engines like ChatGPT, Perplexity, and Google AI by querying those engines with prompts relevant to your business and analyzing what users actually see. It lets you input your brand URL, select topics and prompts to monitor, and then continuously runs those queries against multiple AI engines to gather data on citations, share of voice over time, trends, and competitor performance so you can understand not only if you’re showing up in AI responses but why, in what context, and alongside which sources. Omnia organizes visibility data hierarchically from broad topics to specific prompts, provides visual metrics such as share of voice and comparison charts, and highlights the sources driving AI mentions so you can adapt content strategy to target high-value queries.

Starting Price: €79 per month

View Software

ZeroRank

ZeroRank AI is an analytics platform designed to help brands measure and improve how they appear inside AI-generated search results such as ChatGPT, Gemini, Perplexity, and Claude. It provides a centralized dashboard that tracks where a brand is mentioned, how often it appears, and the tone or sentiment of those mentions across major AI systems. It identifies the specific prompts and questions where a company should be visible, helping teams discover new opportunities before competitors do. It also benchmarks visibility against competitors and sends alerts when rankings change, enabling faster strategic adjustments. By querying multiple AI platforms and monitoring positions, citations, and sentiment in real time, ZeroRank turns AI discovery into a measurable marketing channel. Overall, the tool is built to support content and growth strategies in the emerging landscape of AI-driven search, helping organizations optimize their presence.

Starting Price: $76 per month

View Software

AI Visibility

AI Visibility is a platform designed to enhance how brands appear across various AI platforms. It offers advanced optimization tools to ensure brands stand out in the age of artificial intelligence, delivering measurable improvements in AI-driven brand perception. The platform provides real-time brand visibility tracking, measures AI presence effectiveness, and offers AI-driven visibility improvements. Trusted by over 500 brands, AI Visibility has monitored more than 1 million AI interactions, achieving an average visibility improvement of 40%.

Starting Price: $19/month

View Software

KNWN

KNWN helps businesses understand how visible their brand is to AI tools like ChatGPT, Perplexity, Gemini, and Claude. It scans your website and shows you whether AI models can access, interpret, and recommend your content to users. You’ll get an AI Visibility Score, Audience Fit Score, and real-time analytics showing how often AI agents mention your site. If there are gaps, missing pages, unclear content, or poor structure. KNWN tells you what to fix and how. For Pro users, it also generates AI-optimized content and recommends actions to improve AI discoverability. It's ideal for founders, marketers, and agencies who care about SEO but want to go one step further: making sure their brand exists in AI conversations.

Starting Price: $20/month

View Software

Thirdeye

Thirdeye is an AI analytics platform that helps brands optimize visibility across generative AI engines like ChatGPT, Claude, Gemini, and Perplexity. As AI becomes the new starting point for consumer discovery, Thirdeye provides marketers with real-time tracking of brand mentions, sentiment, and competitor performance. Its tools allow brands to monitor how they’re being cited in AI answers, refine prompts to influence narratives, and respond quickly to negative mentions. With instant alerts, competitor benchmarking, and sentiment analysis, businesses can protect their reputation and capitalize on new opportunities. Thirdeye also offers interactive dashboards and custom reporting for actionable insights, not just raw data. Trusted by forward-looking brands, it positions companies to stay ahead in the fast-growing AI search market.

Starting Price: $79/month

View Software

BrandViz.AI

BrandViz.AI is an AI visibility platform that delivers actionable intelligence on how ChatGPT, Claude, Gemini, and Perplexity perceive and recommend your brand to buyers. Unlike traditional SEO tools, BrandViz.AI tracks what matters in the AI era - whether AI actually recommends you when customers ask for solutions. What sets BrandViz.AI apart is actionability. Users report identifying strategy gaps and actionable fixes within their first 20 minutes. Clear recommendations upfront, with full depth when you need it - explore every AI response, deep-dive into source analysis, and navigate tagged answers by category. Key capabilities include brand visibility scoring, competitive intelligence, source attribution, and an Action Center that prioritizes what to fix next. Our research uncovered a critical insight - high visibility doesn't guarantee recommendations. Some brands appear frequently but rarely win. BrandViz.AI shows why, and exactly how to fix it.

Starting Price: $49/month

View Software

Brandi

Brandi AI is an AI Visibility and Generative Engine Optimization platform built to help brands understand, track, and improve how they appear in answers generated by leading AI systems such as ChatGPT, Gemini, Claude, Perplexity, and others, essentially making brand discovery within generative AI measurable and actionable rather than invisible. It continuously monitors how often a brand is cited, recommended, or described in AI-generated responses, provides deep analytics, including AI Visibility Health Scores and Share of Voice benchmarks against competitors, and offers strategic insights to refine content, messaging, and technical structure so that digital assets are more likely to be surfaced as trusted answers in AI-driven discovery. Brandi translates raw AI output into market intelligence by identifying prompts and narrative gaps, revealing sentiment and competitive positioning, and recommending optimized content and structured formats.

View Software

Opticl

Opticl is an AI visibility intelligence platform that helps brands and agencies monitor, measure, and optimize how they appear across AI-powered search engines. What Opticl does: AI visibility monitoring across ChatGPT, Gemini, Claude, Perplexity, and Google AI Overviews Generative Engine Optimization (GEO) audits and recommendations AI Trust Score — a verified measure of how AI platforms perceive your brand Embeddable Trust Badges that showcase your AI credibility to website visitors Platform-specific optimization scores and E-E-A-T analysis Citability scoring to help your content get quoted by AI systems Brand presence scanning across AI and traditional platforms Automated action plans with prioritized recommendations Pitch deck generation for agencies to win new business with AI visibility data

Starting Price: $0

View Software

Zerply

Zerply is an agentic AI SEO platform built for the new era of search. While traditional SEO tools only track Google, Zerply monitors how your brand is mentioned across ChatGPT, Perplexity, Claude, and Google AI Overviews, giving you a real Share of Voice score against competitors. Beyond tracking, Zerply acts. AI agents monitor your site, find content gaps, build your editorial calendar, write articles, and publish them directly to WordPress with human-in-the-loop approval workflows (you review and approve before going live). Agentic SEO Chat is a multi-step reasoning engine that connects Google Search Console, analyzes complex data, performs keyword research, competitor analysis, and answers strategic questions in plain English, all autonomously chaining the right tools for deep insights.

Starting Price: $12/month

View Software

ZELITHO

ZELITHO is an AI-powered content and SEO execution platform built for the era of AI search and generative discovery. It helps businesses generate consistent organic traffic from platforms like ChatGPT, Claude, and Perplexity without needing a content team. Zelitho combines advanced keyword research, search intent analysis, topic clustering, and AI SEO optimization to create high-quality, human-like content that ranks across Google Search, AI answer engines, and LLM-powered platforms. From SEO strategy and content planning to blog writing, on-page optimization, and publishing, it automates the entire content marketing workflow. Ideal for SaaS, startups, agencies, and founders, ZELITHO enables scalable content creation, faster indexing, higher rankings, and increased visibility in AI-generated answers, turning your content into a predictable growth engine. ZELITHO is the ultimate all-in-one platform for marketing agencies, founders, and marketers to scale their businesses faster.

View Software

Geneo

Geneo is a platform designed to help businesses optimize their content for AI-driven search engines like ChatGPT, Perplexity, and Google AI Overview through Generative Engine Optimization (GEO) and Answer Engine Optimization (AEO). It offers real-time multi-platform monitoring of brand visibility, competitor analysis, trend insights, and performance metrics. The platform features AI-powered sentiment analysis to track brand reputation and identify positive or negative mentions across AI search results. Users can access complete query history tracking, including raw AI responses and performance comparisons over time. Geneo supports flexible workspace management for multi-brand monitoring with customizable permissions. With a free trial and scalable pricing plans, Geneo helps businesses stay ahead in AI search rankings and drive qualified traffic.

Starting Price: $39.90/month

View Software

SearchScore

SearchScore is an AI visibility analysis tool that shows how likely your website is to be recommended by AI systems like ChatGPT, Google AI, and Perplexity. Traditional SEO focuses on rankings. AI tools generate answers - and only include a few trusted sources. If your site isn’t structured for AI, you may not be included at all. SearchScore analyzes your site across 130+ signals to identify what’s missing, why competitors are being chosen instead, and what to fix. It also validates visibility using real AI-generated answers, showing whether your brand is actually cited across leading models. Get clear, prioritised fixes, improve AI readability and trust signals, and increase your chances of being recommended - not just ranked.

View Software

Best Free AI Search Optimization (AISO) Software

Compare the Top Free AI Search Optimization (AISO) Software as of April 2026

What is Free AI Search Optimization (AISO) Software?

Semrush

Rankscale

Sill

GEO Metrics

Waikay

Scriptbee

GeoVector

SpyderBot

Sellm

Cairrot

Mangools

Hall

Geordy

Kai

Knowatoa

LLMrefs

Trendhopper

Radix AI

Omnia

ZeroRank

AI Visibility

KNWN

Thirdeye

BrandViz.AI

Brandi

Opticl

Zerply

ZELITHO

Geneo

SearchScore

Best Free AI Search Optimization (AISO) Software

Compare the Top Free AI Search Optimization (AISO) Software as of April 2026

What is Free AI Search Optimization (AISO) Software?

Semrush

Rankscale

Sill

GEO Metrics

Waikay

Scriptbee

GeoVector

SpyderBot

Sellm

Cairrot

Mangools

Hall

Geordy

Kai

Knowatoa

LLMrefs

Trendhopper

Radix AI

Omnia

ZeroRank

AI Visibility

KNWN

Thirdeye

BrandViz.AI

Brandi

Opticl

Zerply

ZELITHO

Geneo

SearchScore

Related Categories