According to AlphaMoat, in 2026-09 the AI app Grammar Check AI saw 7,522 downloads over the last 30 days (-34.4% MoM) — ranked #1,286 of 2,140 AI apps, and #19 of 55 in Writing; its top market is Brazil (85.6% of downloads).
What is Grammar Check AI
An AI writing proofreading assistant for email, social content, and academic text that covers grammar, spelling, punctuation, tone, and word choice, and helps users understand errors via edit hints.
- 01Check grammar and spelling in real time
- 02fix punctuation issues
- 03adjust tone and style by context
- 04rewrite or rephrase unnatural sentences
- 05suggest synonyms and word alternatives
- 06show an explanation and learning tip for each edit
12-Month Trend
Downloads by Country · Top 5
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Data month: 2026-09 · Downloads and in-app purchase revenue are third-party estimates (trailing 30-day window), aggregated monthly. Revenue covers App Store and Google Play in-app purchases (including subscriptions) only — excluding Android app stores in mainland China and other payment channels such as web subscriptions. See methodology.