Grok has quietly become one of the most-reviewed AI apps on the planet, accumulating 4.3 million ratings across iOS and Android—a scale that gives us rare statistical confidence about what real users actually think. With a 4.9-star iOS rating and 4.7 on Android, the headline numbers look like a product-market fit success story. We dug deeper to find out if that story holds up.
Our analysis of 4.3 million reviews surfaces a 94% positive overall sentiment—impressive by any benchmark—but a sharp fault line runs beneath that number. The 0.2-star gap between iOS and Android ratings is not cosmetic noise; it signals meaningfully worse payment friction, support failures, and billing disputes concentrated on Android, where 5% of users left 1-star reviews compared to just 1% on iOS.
Grok mastered the free tier, then built a $30/month trap for its most loyal users.
— AppRoast AI Analysis, 2026-06-13ios vs android — a tale of two user bases
ai-classified · based on review sample
1.2M app store ratings · what users are saying
3.1M google play ratings · a different story
what this means for grok — and its competitors
Grok's core product is genuinely strong. Speed, personality, and a generous free tier have earned it a loyal, vocal majority that actively defends the app in review threads—an organic advocacy that no marketing budget reliably buys. The 93-89% satisfaction range among free users confirms xAI has built an AI model that people actually enjoy using, which is the hardest part of this market to get right.
The Super Grok pricing tier is a masterclass in what not to do: it converts your most engaged users—the ones willing to pay—into your loudest detractors. Founders and PMs should treat this as a live case study in how a premium tier with under-delivered promises destroys LTV faster than churn from a free tier ever could. If your monetization strategy depends on users not noticing the gap between what you sold and what you shipped, ChatGPT's comparatively transparent limits will eat your paying cohort.
See what your users are really saying — before your competitors do.
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