ChatGPT vs Notability: AI Notes & PDF app

ChatGPT

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

Notability: AI Notes & PDF app

Ginger Labs
App Store
$1.95M/mo
~$23.44M/yr · 67.1M installs
Revenue winner ChatGPT wins +8964% vs other
Installs winner ChatGPT wins +1689% vs other
MAU winner ChatGPT wins +5863% vs other
Rating winner ChatGPT wins +2% vs other

Why ChatGPT is winning

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

  1. ChatGPT earns roughly 91× more per month than Notability: AI Notes & PDF app - $177.06M vs $1.95M.
  2. Premium pricing. ChatGPT charges $8.33/mo vs Notability: AI Notes & PDF app's $5.99/mo - higher ARPU per converted user.
  3. Bigger install base. ChatGPT has ~1.2B lifetime installs vs Notability: AI Notes & PDF app's ~67.1M - 17.9× the funnel top.
  4. More monetization surfaces. ChatGPT runs 5 IAP tiers vs 3 - more chances to convert users at the right price.

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
Notability: AI Notes & PDF app
Monthly revenue (est.)?
$177.06M
$1.95M
Annual revenue (est.)
$2.12B
$23.44M
Lifetime installs (est.)
1.2B
67.1M
Monthly active users (est.)?
600.0M
10.1M
App Store rating
4.84★
4.76★
Total ratings
7.1M
447K
US grossing rank
#1
-
Cheapest monthly sub
$8.33
$5.99
IAP tiers detected
5 tiers
3 tiers

ChatGPT

OpenAI OpCo, LLC
App Store
Category
Productivity
Price
Free
Released
May 18, 2023
Last updated
May 6, 2026
File size
197.9 MB
Content rating
12+
Version
1.2026.118
Languages
SQ, AM, Arabic, HY, BN, BS +54 more
View full ChatGPT report →

Notability: AI Notes & PDF app

Ginger Labs
App Store
Category
Productivity
Price
Free
Released
Apr 1, 2010
Last updated
May 4, 2026
File size
397.7 MB
Content rating
4+
Version
16.2.1
Languages
Danish, Dutch, English, French, German, Indonesian +15 more
View full Notability: AI Notes & PDF app report →

ChatGPT trajectory

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Notability: AI Notes & PDF app trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

FAQ

Which makes more money, ChatGPT or Notability: AI Notes & PDF app? v
ChatGPT earns about $177.06M per month, while Notability: AI Notes & PDF app earns about $1.95M. That is a 90.6× revenue gap (~$175.10M more per month for ChatGPT). Annual revenue: ChatGPT ≈ $2.12B/year, Notability: AI Notes & PDF app ≈ $23.44M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ChatGPT or Notability: AI Notes & PDF app? v
ChatGPT leads with about 1.2B estimated downloads vs 67.1M for Notability: AI Notes & PDF app - a 17.9× gap. ChatGPT's App Store downloads are estimated from 7.1M ratings × the standard 1:75 ratio. Notability: AI Notes & PDF app's App Store downloads are estimated from 447K ratings.
Are ChatGPT and Notability: AI Notes & PDF app 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 Notability: AI Notes & PDF app offer? v
ChatGPT: IAP range 5 tiers detected. Notability: AI Notes & PDF app: IAP range 3 tiers detected. ChatGPT runs a "Subscription (~$8.33/mo, ai) · calibrated by US grossing rank #1" monetization model; Notability: AI Notes & PDF app runs "Subscription (~$5.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, ChatGPT or Notability: AI Notes & PDF app? v
ChatGPT edges ahead with ★ 4.8 vs ★ 4.8 (gap of 0.1 stars). Rating volume: ChatGPT 7.1M ratings, Notability: AI Notes & PDF app 447K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ChatGPT vs Notability: AI Notes & PDF app revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $177.06M for ChatGPT and $1.95M for Notability: AI Notes & PDF app 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 Notability: AI Notes & PDF app 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.