ChatGPT vs Work Shift Calendar (Shifter)
ChatGPT
OpenAI OpCo, LLC
App Store
$177.06M/mo
~$2.12B/yr · 1.2B installs
VS
Work Shift Calendar (Shifter)
Luis Alberto Reyes Halaby
App Store
$1.2K/mo
~$14.1K/yr · 187K installs
Revenue winner
ChatGPT wins
+15094352% vs other
Installs winner
ChatGPT wins
+642298% vs other
MAU winner
ChatGPT wins
+1638671% vs other
Rating winner
ChatGPT wins
+0% vs other
Why ChatGPT is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- ChatGPT earns roughly 150945× more per month than Work Shift Calendar (Shifter) - $177.06M vs $1.2K.
- Premium pricing. ChatGPT charges $8.33/mo vs Work Shift Calendar (Shifter)'s $0.99/mo - higher ARPU per converted user.
- Bigger install base. ChatGPT has ~1.2B lifetime installs vs Work Shift Calendar (Shifter)'s ~187K - 6424.0× the funnel top.
- More monetization surfaces. ChatGPT runs 5 IAP tiers vs 2 - 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
Work Shift Calendar (Shifter)
Monthly revenue (est.)?
$177.06M
◀
$1.2K
Annual revenue (est.)
$2.12B
◀
$14.1K
Lifetime installs (est.)
1.2B
◀
187K
Monthly active users (est.)?
600.0M
◀
37K
App Store rating
4.83★
◀
4.81★
Total ratings
8.3M
◀
2K
US grossing rank
#1
◀
-
Cheapest monthly sub
$8.33
◀
$0.99
IAP tiers detected
5 tiers
◀
2 tiers
- 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
- Category
- Productivity
- Price
- Free
- Released
- Jul 25, 2020
- Last updated
- May 15, 2024
- File size
- 17.0 MB
- Content rating
- 4+
- Version
- 0.7.2
- Languages
- SQ, Bulgarian, Czech, Danish, English, French +12 more
ChatGPT trajectory
Work Shift Calendar (Shifter) trajectory
FAQ
Which makes more money, ChatGPT or Work Shift Calendar (Shifter)? v
ChatGPT earns about $177.06M per month, while Work Shift Calendar (Shifter) earns about $1.2K. That is a 150944.5× revenue gap (~$177.06M more per month for ChatGPT). Annual revenue: ChatGPT ≈ $2.12B/year, Work Shift Calendar (Shifter) ≈ $14.1K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ChatGPT or Work Shift Calendar (Shifter)? v
ChatGPT leads with about 1.2B estimated downloads vs 187K for Work Shift Calendar (Shifter) - a 6424.0× gap. ChatGPT's App Store downloads are estimated from 8.3M ratings × the standard 1:75 ratio. Work Shift Calendar (Shifter)'s App Store downloads are estimated from 2K ratings.
Are ChatGPT and Work Shift Calendar (Shifter) 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 Work Shift Calendar (Shifter) offer? v
ChatGPT: IAP range 5 tiers detected. Work Shift Calendar (Shifter): IAP range 2 tiers detected. ChatGPT runs a "Subscription (~$8.33/mo, ai) · calibrated by US grossing rank #1" monetization model; Work Shift Calendar (Shifter) runs "Subscription (~$0.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, ChatGPT or Work Shift Calendar (Shifter)? v
ChatGPT edges ahead with ★ 4.8 vs ★ 4.8 (gap of 0.0 stars). Rating volume: ChatGPT 8.3M ratings, Work Shift Calendar (Shifter) 2K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ChatGPT vs Work Shift Calendar (Shifter) revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $177.06M for ChatGPT and $1.2K for Work Shift Calendar (Shifter) 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 Work Shift Calendar (Shifter) 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.