Calendars: Schedule Planner vs ChatGPT

Calendars: Schedule Planner

Readdle Technologies Limited
App Store
$5.54M/mo
~$66.47M/yr · 17.9M installs
VS

ChatGPT

OpenAI OpCo, LLC
App Store
$177.06M/mo
~$2.12B/yr · 1.2B installs
Revenue winner ChatGPT wins +3097% vs other
Installs winner ChatGPT wins +6620% vs other
MAU winner ChatGPT wins +11101% 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 32× more per month than Calendars: Schedule Planner - $177.06M vs $5.54M.
  2. Premium pricing. ChatGPT charges $8.33/mo vs Calendars: Schedule Planner's $3.99/mo - higher ARPU per converted user.
  3. Bigger install base. ChatGPT has ~1.2B lifetime installs vs Calendars: Schedule Planner's ~17.9M - 67.2× 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.

Calendars: Schedule Planner
vs
ChatGPT
Monthly revenue (est.)?
$5.54M
▶
$177.06M
Annual revenue (est.)
$66.47M
▶
$2.12B
Lifetime installs (est.)
17.9M
▶
1.2B
Monthly active users (est.)?
5.4M
▶
600.0M
App Store rating
4.72★
▶
4.84★
Total ratings
119K
▶
7.0M
US grossing rank
-
▶
#1
Cheapest monthly sub
$3.99
▶
$8.33
IAP tiers detected
8 tiers
◀
5 tiers

Calendars: Schedule Planner

Readdle Technologies Limited
App Store
Category
Productivity
Price
Free
Released
Mar 5, 2013
Last updated
May 8, 2026
File size
375.3 MB
Content rating
4+
Version
5.37.27
Languages
English, French, German, Italian, Japanese, Portuguese +4 more
View full Calendars: Schedule Planner report →

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 →

Calendars: Schedule Planner trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

ChatGPT trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Calendars: Schedule Planner App Store page →ChatGPT App Store page →

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Compare another pair

FAQ

Which makes more money, Calendars: Schedule Planner or ChatGPT? v
ChatGPT earns about $177.06M per month, while Calendars: Schedule Planner earns about $5.54M. That is a 32.0× revenue gap (~$171.52M more per month for ChatGPT). Annual revenue: Calendars: Schedule Planner ≈ $66.47M/year, ChatGPT ≈ $2.12B/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Calendars: Schedule Planner or ChatGPT? v
ChatGPT leads with about 1.2B estimated downloads vs 17.9M for Calendars: Schedule Planner - a 67.2× gap. Calendars: Schedule Planner's App Store downloads are estimated from 119K ratings × the standard 1:75 ratio. ChatGPT's App Store downloads are estimated from 7.0M ratings.
Are Calendars: Schedule Planner and ChatGPT 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 Calendars: Schedule Planner and ChatGPT offer? v
Calendars: Schedule Planner: IAP range 8 tiers detected. ChatGPT: IAP range 5 tiers detected. Calendars: Schedule Planner runs a "Subscription (~$31.99/mo)" monetization model; ChatGPT runs "Subscription (~$8.33/mo, ai) · calibrated by US grossing rank #1". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Calendars: Schedule Planner or ChatGPT? v
ChatGPT edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.1 stars). Rating volume: Calendars: Schedule Planner 119K ratings, ChatGPT 7.0M ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Calendars: Schedule Planner vs ChatGPT revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $5.54M for Calendars: Schedule Planner and $177.06M for ChatGPT 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 Calendars: Schedule Planner or ChatGPT 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.