Grammarly: AI Keyboard & Notes vs PDF Expert: Editor & Converter

Grammarly: AI Keyboard & Notes

Grammarly, Inc
App Store
$3.95M/mo
~$47.41M/yr · 9.6M installs
VS

PDF Expert: Editor & Converter

Readdle Technologies Limited
App Store
$1.56M/mo
~$18.68M/yr · 32.2M installs
Revenue winner Grammarly: AI Keyboard & Notes wins +154% vs other
Installs winner PDF Expert: Editor & Converter wins +235% vs other
MAU winner PDF Expert: Editor & Converter wins +21% vs other
Rating winner PDF Expert: Editor & Converter wins +0% vs other

Why Grammarly: AI Keyboard & Notes is winning

Top 2 reasons - backed by the public App Store / Play Store numbers.

  1. Grammarly: AI Keyboard & Notes earns roughly 3× more per month than PDF Expert: Editor & Converter - $3.95M vs $1.56M.
  2. Premium pricing. Grammarly: AI Keyboard & Notes charges $29.99/mo vs PDF Expert: Editor & Converter's $9.99/mo - higher ARPU per converted user.

Find more apps with this revenue gap · Full Grammarly: AI Keyboard & Notes report

Side-by-side metrics

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

Grammarly: AI Keyboard & Notes
vs
PDF Expert: Editor & Converter
Monthly revenue (est.)?
$3.95M
$1.56M
Annual revenue (est.)
$47.41M
$18.68M
Lifetime installs (est.)
9.6M
32.2M
Monthly active users (est.)?
6.0M
7.2M
App Store rating
4.66★
4.68★
Total ratings
214K
215K
US grossing rank
-
=
-
Cheapest monthly sub
$29.99
$9.99
IAP tiers detected
3 tiers
9 tiers

Grammarly: AI Keyboard & Notes

Grammarly, Inc
App Store
Category
Productivity
Price
Free
Released
Nov 2, 2017
Last updated
May 6, 2026
File size
260.0 MB
Content rating
12+
Version
10.2.0
Languages
English, Spanish
View full Grammarly: AI Keyboard & Notes report →

PDF Expert: Editor & Converter

Readdle Technologies Limited
App Store
Category
Productivity
Price
Free
Released
Dec 3, 2013
Last updated
Apr 23, 2026
File size
338.7 MB
Content rating
4+
Version
7.25.5
Languages
English, French, German, Italian, Japanese, Portuguese +4 more
View full PDF Expert: Editor & Converter report →

Grammarly: AI Keyboard & Notes trajectory

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PDF Expert: Editor & Converter trajectory

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FAQ

Which makes more money, Grammarly: AI Keyboard & Notes or PDF Expert: Editor & Converter? v
Grammarly: AI Keyboard & Notes earns about $3.95M per month, while PDF Expert: Editor & Converter earns about $1.56M. That is a 2.5× revenue gap (~$2.39M more per month for Grammarly: AI Keyboard & Notes). Annual revenue: Grammarly: AI Keyboard & Notes ≈ $47.41M/year, PDF Expert: Editor & Converter ≈ $18.68M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Grammarly: AI Keyboard & Notes or PDF Expert: Editor & Converter? v
PDF Expert: Editor & Converter leads with about 32.2M estimated downloads vs 9.6M for Grammarly: AI Keyboard & Notes - a 3.3× gap. Grammarly: AI Keyboard & Notes's App Store downloads are estimated from 214K ratings × the standard 1:75 ratio. PDF Expert: Editor & Converter's App Store downloads are estimated from 215K ratings.
Are Grammarly: AI Keyboard & Notes and PDF Expert: Editor & Converter 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 Grammarly: AI Keyboard & Notes and PDF Expert: Editor & Converter offer? v
Grammarly: AI Keyboard & Notes: IAP range 3 tiers detected. PDF Expert: Editor & Converter: IAP range 9 tiers detected. Grammarly: AI Keyboard & Notes runs a "Subscription (~$11.67/mo, ai)" monetization model; PDF Expert: Editor & Converter runs "Subscription (~$6.67/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Grammarly: AI Keyboard & Notes or PDF Expert: Editor & Converter? v
PDF Expert: Editor & Converter edges ahead with ★ 4.7 vs ★ 4.7 (gap of 0.0 stars). Rating volume: Grammarly: AI Keyboard & Notes 214K ratings, PDF Expert: Editor & Converter 215K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Grammarly: AI Keyboard & Notes vs PDF Expert: Editor & Converter revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $3.95M for Grammarly: AI Keyboard & Notes and $1.56M for PDF Expert: Editor & Converter 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 Grammarly: AI Keyboard & Notes or PDF Expert: Editor & Converter 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.