TL;DR
Most of the 20 tools listed offer only free tiers, not unlimited free access—verify current plan caps on each official site before committing. The article categorizes tools into five functional groups: first-party data (e.g., Google Search Console), crawlers/validators, question/trend tools, behavioral previews, and measurement dashboards.
A balanced stack requires just one tool from each group, not overlapping dashboards. The bottom-line verdict: choose a tool based on the specific decision you need to make—whether that’s a query pattern, indexing signal, structured-data error, or content brief—and always keep a dated research note of plan changes.
Free tools can make AI-search work more rigorous, but “free” rarely means unlimited. The useful question is whether a tool produces evidence you can act on: a query pattern, an indexing signal, a structured-data error, a performance bottleneck, or a clear content brief.
This list compares 20 free or free-tier tools across GEO, AEO, technical SEO, and measurement. Treat the cards as a starting point, verify limits at the official source, and keep a dated research note when a tool’s plan changes.
How to choose a free GEO or AEO tool
Direct answer: Start with the decision you need to make. First-party tools are strongest for your own search and indexing data. Crawlers and validators are strongest for page-level defects. Question and trend tools help with demand discovery. Behavioral and social-preview tools explain what happens after publication. A balanced stack uses one tool from each group rather than collecting overlapping dashboards.
nqzai
Best for: AI search visibility tied to content workflows
Connect AI-search research, content decisions, visibility measurement, and GTM follow-through in one operating context.
- Access model
- Signup includes 1,000,000 free tokens (non-expiring, no card required); after that it's pay-as-you-go at $2 per million tokens, no subscription.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Profound
Best for: Enterprise-grade tracking across major AI engines
Enterprise AI-visibility platform tracking ChatGPT, Perplexity, and Google AI Overviews; the entry Starter plan covers ChatGPT only, with broader engine coverage reserved for the Growth and Enterprise tiers.
- Access model
- No confirmed free trial; Starter runs $99/mo for ChatGPT-only tracking (50 prompts), Growth is $399/mo, and Enterprise is custom-quoted. Sources disagree on whether a trial exists, so confirm directly.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
OtterlyAI
Best for: Budget-friendly entry into AI search tracking
Tracks brand mentions and rankings across ChatGPT, Perplexity, and AI Overviews starting at $29/month for 15 tracked prompts, with Gemini and Google AI Mode offered as separate paid add-ons.
- Access model
- No permanent free plan; a free trial is available to test the platform before the $29/mo Lite plan begins.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Peec AI
Best for: Agency reporting across multiple AI engines
AI search analytics built for agencies, tracking brand visibility, sentiment, and cited sources across 3 AI models by default on the $80/month Starter plan (a 4th model is a paid add-on).
- Access model
- No permanent free plan; most sources describe a 7-day free trial with no card required before paid plans start at $80/mo.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Scrunch AI
Best for: AI-engine tracking now bundled into Sitecore
Covers ChatGPT, Perplexity, Google AI Overviews, and Copilot on its Core plan; Sitecore acquired Scrunch in June 2026, folding it into a larger enterprise martech stack.
- Access model
- No permanent free plan; some sources cite a 7-day trial while others report none, with paid Core plans starting around $250-300/mo. Confirm current trial terms directly.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Semrush AI Toolkit
Best for: AI visibility bundled inside the Semrush suite
Standalone AI Visibility Toolkit tracks one domain with 25 prompts for about $99/month; broader access comes bundled into the separate Semrush One package alongside the SEO Toolkit.
- Access model
- Most sources report no free trial for the standalone $99/mo toolkit; the bundled Semrush One package advertises a trial, so confirm which product you're signing up for.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Ahrefs Brand Radar
Best for: AI visibility layered onto Ahrefs' SEO data
AI-visibility add-on inside Ahrefs, sold standalone or bundled with a paid Ahrefs plan, covering one AI platform or all of them for a set monthly prompt-check allowance (2,500 checks by default).
- Access model
- No free tier; requires a paid Ahrefs base plan (from $129/mo) plus the Brand Radar add-on (roughly $199-699/mo), or a standalone Brand Radar purchase.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
SE Ranking AI Visibility
Best for: AI visibility bundled into a full SEO toolkit
Bundles AI-engine tracking (ChatGPT, Perplexity, Google AI Overviews and AI Mode) into its base SEO plans starting at $129/month, rather than charging separately like most competitors.
- Access model
- No permanent free plan; a 14-day free trial is available before paid Core plans start at $129/mo.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Writesonic GEO
Best for: GEO tracking bundled with AI content generation
GEO/AI-search tracking is a Professional-tier-and-up feature; the free trial and entry Lite/Standard plans cover AI writing and SEO content but not AI-visibility tracking itself.
- Access model
- A free trial exists for Writesonic's writing tools, but GEO tracking specifically requires the Professional plan (about $199-249/mo) — there is no free way to use the GEO feature itself.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Rankscale
Best for: Broad engine coverage on a low-cost credit plan
Credit-based AI visibility tracker covering 17+ AI engines starting at $20/month for 120 credits, plus a free one-time website audit available without creating an account.
- Access model
- No permanent free plan; offers a free one-time website audit (no signup) and a trial on paid tiers starting at $20/mo.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Gumshoe
Best for: Usage-based pricing instead of a subscription
Pay-as-you-go pricing charges $0.10 per AI conversation analyzed instead of a flat subscription, with a free sample audit and the first 3 report runs free before charges begin.
- Access model
- Free for a first sample audit and the first 3 report runs (no card); ongoing use is pay-as-you-go at $0.10/conversation, or a $99+/mo Starter/Pro subscription for advanced features.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
LLMrefs
Best for: All-engine tracking on one flat monthly rate
Single all-in-one paid plan at $79/month covers 500 prompts across every major AI engine with unlimited seats and projects; reviews disagree on whether a limited free tier still exists.
- Access model
- Free-tier status is disputed among 2026 reviews — some describe a limited free plan (1 keyword), others say none exists. The main paid plan is $79/mo; confirm directly.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Goodie
Best for: Broadest engine coverage at the highest price
Full closed-loop platform (research, monitor, act, measure) covering up to 11 AI engines depending on plan tier, starting at $399/month for the self-serve Explorer plan.
- Access model
- No ongoing free plan; Explorer starts around $399-479/month with a free trial and 30-day money-back guarantee rather than a free tier.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Google Search Console
Best for: Official indexing and search data from Google
Google's own webmaster tool for monitoring search performance, indexing status, and technical issues across a verified property; entirely free with no paid tier.
- Access model
- Completely free; requires only a Google account and site verification. No paid tier exists.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Bing Webmaster Tools
Best for: Free indexing data for Bing and Copilot
Microsoft's equivalent to Search Console, covering Bing (and the search index behind Copilot) crawl stats, indexing status, and keyword data; entirely free.
- Access model
- Completely free with a Microsoft account. No paid tier exists.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Rich Results Test
Best for: Quick structured-data checks for rich results
Google's free tool for checking whether a page's structured data is eligible for rich results in Search and AI-powered summaries.
- Access model
- Completely free; no account or sign-in required.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Schema Markup Validator
Best for: General-purpose schema markup validation
Community-run validator (the spiritual successor to Google's original structured data testing tool) that checks schema.org markup for syntax and property errors.
- Access model
- Completely free; no account required.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Screaming Frog SEO Spider
Best for: Deep technical crawls under a 500-URL cap
Desktop SEO crawler capped at 500 URLs per crawl on the free version, with every core audit feature included; removing the cap requires an annual license.
- Access model
- Free version crawls up to 500 URLs with no time limit or sign-up required; unlimited crawling needs a paid license (around $279/year).
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
IndexNow
Best for: Instant URL push notifications to search engines
Free, open protocol (not a commercial product) that lets you push new or updated URLs directly to participating search engines like Bing and Yandex for faster crawling.
- Access model
- Completely free and open; there is no paid tier because it isn't a commercial product.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
Perplexity
Best for: Manually testing citations inside a live AI engine
Included here as the AI answer engine itself rather than a monitoring tool — useful for manually testing how your brand is cited in Perplexity's real-time, source-linked answers.
- Access model
- Free tier gives unlimited basic search plus a handful of daily Pro Searches (commonly reported as 3-5) and roughly one free Research query per month.
- Research check
- Official product source linked
- Evaluate next
- Category fit, limits, integrations, and governance
A practical free-tool workflow
- Use Google Search Console and Bing Webmaster Tools to establish first-party visibility baselines.
- Use Trends, question research, and SERP-side tools to find a specific audience problem rather than a vague keyword.
- Validate the draft with Lighthouse, Rich Results Test, Schema Validator, and a crawler.
- Publish, notify participating engines with IndexNow where appropriate, and review behavior in Clarity.
- Record the source URL, checked date, free-tier limit, and the decision the evidence supports.
For nqzai, the differentiator is not replacing every specialist tool. It is connecting research, content decisions, and GTM follow-through so the evidence becomes an operating workflow. That makes it a useful layer alongside—not a forced substitute for—first-party diagnostics and official validators.
Category research: we screened relevant software-directory categories on G2, used Product Hunt to surface newer products, and then linked each card to the product’s official source. BuiltWith is used only where technology-stack signals are relevant, such as competitive intelligence and prospecting. Listings are not paid placements, and inclusion is not an endorsement.
Research methodology
Direct answer: This comparison uses a transparent, repeatable editorial method. We grouped tools by the job they help with, linked to the official product or documentation page, and distinguished fully free access from free tiers, verification-gated access, trials, and usage limits. Each card records the intended use, the access model, the main constraint, and the point at which a paid workflow may become relevant.
We do not rank tools by a single automated score. The order reflects practical usefulness for a lean team building AI-search visibility: evidence quality, access friction, relevance to GEO or AEO work, clarity of limits, and how easily a result can be turned into a next action. Pricing, quotas, and product capabilities change, so readers should recheck the official source before relying on a current limit or making a purchasing decision. This page is an editorial comparison, not an endorsement or a guarantee of results.
Research checked: August 2, 2026. Source policy: official vendor pages and documentation linked on each card.
Frequently asked questions
Are these geo and aeo tools for ai search visibility tools completely free?
Not always. This list includes public utilities, free plans, limited quotas, verification-gated access, and trials. Check the official source linked on each card for current access terms.
Is a free geo and aeo tools for ai search visibility tool enough for a small team?
Often, yes for a focused first workflow or a small data set. Teams usually need a paid plan when they require larger limits, history, automation, permissions, exports, or support.
How should I compare two geo and aeo tools for ai search visibility tools?
Compare the job each tool performs, the evidence it produces, the data it can export, its integrations, privacy terms, and the limit that will matter first—not only the headline feature list.
What should I verify before adopting one?
Confirm the current pricing page, quota, retention policy, security terms, cancellation process, and whether the free tier permits the workflow you intend to run. Validate important outputs before using them for a high-impact decision.
Conclusion
Direct answer: The best free GEO and AEO stack is small, explicit, and evidence-led. Pick tools based on the question at hand, disclose limits, and link readers to the official source for current terms. When a workflow becomes repetitive, consolidate the handoffs and keep the research trail visible.
If AI citation monitoring specifically is the priority — tracking exactly where and how often a model cites your brand — our roundup of free AI citation monitoring tools narrows this same landscape down to the citation-tracking angle.
