# GEO Tool Stack > Independent directory and comparison site for GEO (generative engine optimization) and > AI search visibility tools — the software brands use to track and improve how they appear > in ChatGPT, Perplexity, Gemini, Google AI Overviews, and other AI answer engines. Pricing and feature data are verified against vendors' public pages (last sync: 2026-07-11). Some outbound links are affiliate links; facts are never altered by commercial relationships. Contact: info@geotoolstack.com ## Pages - [Home / tool directory](https://geotoolstack.com/): all 20 tracked tools with segment and entry pricing - [Newsletter](https://geotoolstack.com/newsletter/): weekly pricing-change digest - [Affiliate disclosure](https://geotoolstack.com/affiliate-disclosure/) - [Privacy policy](https://geotoolstack.com/privacy/) - [Terms of use](https://geotoolstack.com/terms/) ## Tool reviews (5) - [MaxAEO review (2026): pricing, features, alternatives](https://geotoolstack.com/tools/maxaeo/): MaxAEO review: 9-dimension AI visibility analytics with daily monitoring across ChatGPT, Perplexity, Gemini and more, starting at $19/month. - [Airefs review (2026): pricing, features, alternatives](https://geotoolstack.com/tools/airefs/): Airefs review: AI share-of-voice tracking across ChatGPT, Perplexity, Google AI Overviews, and Gemini with citation-source transparency for GEO teams. - [Writesonic GEO review (2026): pricing, features, alternatives](https://geotoolstack.com/tools/writesonic-geo/): Writesonic GEO review: AI visibility tracking across ChatGPT, Gemini, and Google AI Overviews bundled with a content generation suite. Pricing, features, and comparisons. - [Geoptie review (2026): pricing, features, alternatives](https://geotoolstack.com/tools/geoptie/): Geoptie review: unlimited GEO audits and content analyses for tracking AI search visibility across ChatGPT, Claude, Perplexity, and Google AI Overviews. - [Otterly.AI review (2026): pricing, features, alternatives](https://geotoolstack.com/tools/otterly/): Otterly.AI review: prompt tracking across ChatGPT, Perplexity, Google AI Overviews and Gemini in 50+ countries, with GEO audits and a Looker Studio connector. ## Tracked tools (20) - Ahrefs Brand Radar (https://ahrefs.com): AI mentions index and share of voice inside the Ahrefs suite. Segment: Incumbent add-on; from $199/mo. - Airefs (https://getairefs.com): AI share-of-voice tracking with citation-source transparency and content opportunity discovery. Segment: Budget/SMB; from $24/mo. - Analyze AI (https://www.tryanalyze.ai): AI visibility tracking from an active review and comparison publisher. Segment: Budget; custom pricing. - AthenaHQ (https://www.athenahq.ai): E-commerce-focused GEO tracking with Shopify integration and prompt-volume weighting. Segment: SMB/E-commerce; from $95/mo. - Bluefish AI (https://www.bluefishai.com): Fortune-500-grade AI brand monitoring and protection at scale. Segment: Enterprise; custom pricing. - Conductor (https://www.conductor.com): Enterprise SEO platform with an AI search performance module. Segment: Enterprise; custom pricing. - Evertune (https://www.evertune.ai): Statistically rigorous brand-perception analysis running 1M+ custom prompts monthly. Segment: Enterprise; custom pricing. - Gauge (https://www.withgauge.com): AI visibility tracking with actionable recommendations. Segment: SMB; custom pricing. - Geoptie (https://geoptie.com): Unlimited GEO audits and content analyses with a free tool suite. Segment: Budget/SMB; from $41/mo. - LLM Pulse (https://llmpulse.ai): Brand sentiment and AI visibility tracking with white-labeling for agencies. Segment: Budget/Agency; from $54/mo. - MaxAEO (https://maxaeo.ai): 9-dimension AI visibility analytics with daily monitoring across ~6–8 engines. Segment: Budget; from $19/mo. - Otterly.AI (https://otterly.ai): Prompt tracking in 50+ countries with GEO audits and a Looker Studio connector. Segment: SMB/Mid-market; from $29/mo. - Peec AI (https://peec.ai): Daily AI visibility tracking with unlimited seats and agency multi-client workspaces. Segment: SMB/Agency; from $95/mo. - Profound (https://www.tryprofound.com): Answer-engine insights and citation tracking with enterprise integrations. Segment: Enterprise; custom pricing. - Rankscale (https://rankscale.ai): AI Readiness Score site audits plus visibility tracking. Segment: Budget; from $20/mo. - Scrunch AI (https://scrunch.com): Customer-journey mapping through AI conversations with hallucination detection. Segment: Mid-market; from $250/mo. - Semrush AI Visibility Toolkit (https://www.semrush.com): AI visibility add-on inside the full Semrush SEO suite. Segment: Incumbent add-on; from $99/mo. - Surfer (https://surferseo.com): Content editor and SERP analysis with AI tracking add-ons. Segment: Content/SEO crossover; from $99/mo. - Trakkr (https://trakkr.ai): AI visibility tracking known for publishing detailed pricing research. Segment: Budget; from $100/mo. - Writesonic GEO (https://writesonic.com): AI visibility tracking across 10+ engines with a content generation suite bundled. Segment: SMB/Mid-market; from $79/mo.