Free Quick Check: 4 Tools Compared (2026)
Retention core — enter a domain to get a free AI-visibility report; great for a first look at your brand’s AI presence
This curated list compares 4 free quick check tools — including Lens GEO, SheepGeo, AppearOnAI — by features, free plans, pricing and API support, so you can shortlist the right stack in minutes.
Lens GEO
A free-forever China AI-visibility checker that simultaneously checks Doubao, DeepSeek and Kimi to quickly see how often your brand is mentioned.
SheepGeo
A visibility checker covering 9 major AI engines (Chinese and global) with brand mention rates, sentiment analysis and competitor comparison — has a free-forever tier.
AppearOnAI
A free global AI-visibility scanner that checks ChatGPT, Claude, Gemini and Perplexity at once and generates a one-click visibility report.
HubSpot AI Search Grader
HubSpot’s free one-off AI search brand grader — checks brand visibility via ChatGPT and returns an A–F grade with improvement tips.