ChatGPT vs Grammarly: AI Keyboard & Notes

ChatGPT

OpenAI OpCo, LLC
App Store
$177.06M/mo
~$2.12B/yr · 1.2B installs
VS

Grammarly: AI Keyboard & Notes

Superhuman Platform Inc
App Store
$2.41M/mo
~$28.98M/yr · 9.8M installs
Revenue winner ChatGPT wins +7233% vs other
Installs winner ChatGPT wins +12134% vs other
MAU winner ChatGPT wins +9734% vs other
Rating winner ChatGPT wins +4% vs other

Why ChatGPT is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. ChatGPT earns roughly 73× more per month than Grammarly: AI Keyboard & Notes - $177.06M vs $2.41M.
  2. Aggressive pricing. ChatGPT undercuts at $8.33/mo vs $17.99/mo - converts a higher % of free users.
  3. Bigger install base. ChatGPT has ~1.2B lifetime installs vs Grammarly: AI Keyboard & Notes's ~9.8M - 122.3× the funnel top.
  4. Charts placement. ChatGPT ranks #1 on the US grossing chart (the other app is unranked) - chart placement is a self-reinforcing flywheel.

Find more apps with this revenue gap · Full ChatGPT report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

ChatGPT
vs
Grammarly: AI Keyboard & Notes
Monthly revenue (est.)?
$177.06M
$2.41M
Annual revenue (est.)
$2.12B
$28.98M
Lifetime installs (est.)
1.2B
9.8M
Monthly active users (est.)?
600.0M
6.1M
App Store rating
4.83★
4.66★
Total ratings
8.3M
218K
US grossing rank
#1
-
Cheapest monthly sub
$8.33
$17.99
IAP tiers detected
5 tiers
=
5 tiers

ChatGPT

OpenAI OpCo, LLC
App Store
Category
Productivity
Price
Free
Released
May 18, 2023
Last updated
Jun 23, 2026
File size
240.3 MB
Content rating
12+
Version
1.2026.167
Languages
SQ, AM, Arabic, HY, BN, BS +54 more
View full ChatGPT report →

Grammarly: AI Keyboard & Notes

Superhuman Platform Inc
App Store
Category
Productivity
Price
Free
Released
Nov 2, 2017
Last updated
Jun 26, 2026
File size
304.4 MB
Content rating
12+
Version
12.2.1
Languages
English, Spanish
View full Grammarly: AI Keyboard & Notes report →

ChatGPT trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Grammarly: AI Keyboard & Notes trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

FAQ

Which makes more money, ChatGPT or Grammarly: AI Keyboard & Notes? v
ChatGPT earns about $177.06M per month, while Grammarly: AI Keyboard & Notes earns about $2.41M. That is a 73.3× revenue gap (~$174.64M more per month for ChatGPT). Annual revenue: ChatGPT ≈ $2.12B/year, Grammarly: AI Keyboard & Notes ≈ $28.98M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ChatGPT or Grammarly: AI Keyboard & Notes? v
ChatGPT leads with about 1.2B estimated downloads vs 9.8M for Grammarly: AI Keyboard & Notes - a 122.3× gap. ChatGPT's App Store downloads are estimated from 8.3M ratings × the standard 1:75 ratio. Grammarly: AI Keyboard & Notes's App Store downloads are estimated from 218K ratings.
Are ChatGPT and Grammarly: AI Keyboard & Notes in the same App Store category and competing for the same money? v
Yes - both apps sit in the Productivity category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
What in-app purchases and subscription pricing do ChatGPT and Grammarly: AI Keyboard & Notes offer? v
ChatGPT: IAP range 5 tiers detected. Grammarly: AI Keyboard & Notes: IAP range 5 tiers detected. ChatGPT runs a "Subscription (~$8.33/mo, ai) · calibrated by US grossing rank #1" monetization model; Grammarly: AI Keyboard & Notes runs "Subscription (~$7.00/mo, ai)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, ChatGPT or Grammarly: AI Keyboard & Notes? v
ChatGPT edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.2 stars). Rating volume: ChatGPT 8.3M ratings, Grammarly: AI Keyboard & Notes 218K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ChatGPT vs Grammarly: AI Keyboard & Notes revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $177.06M for ChatGPT and $2.41M for Grammarly: AI Keyboard & Notes are derived from App Store grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Productivity) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare ChatGPT or Grammarly: AI Keyboard & Notes to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.