ChatGPT vs Microsoft Outlook
ChatGPT
OpenAI OpCo, LLC
App Store
$177.06M/mo
~$2.12B/yr · 1.2B installs
VS
Microsoft Outlook
Microsoft Corporation
App Store
$77.82M/mo
~$933.87M/yr · 799.2M installs
Revenue winner
ChatGPT wins
+128% vs other
Installs winner
ChatGPT wins
+50% vs other
MAU winner
ChatGPT wins
+149% vs other
Rating winner
ChatGPT wins
+1% vs other
Why ChatGPT is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- ChatGPT earns roughly 2× more per month than Microsoft Outlook - $177.06M vs $77.82M.
- Aggressive pricing. ChatGPT undercuts at $8.33/mo vs $9.99/mo - converts a higher % of free users.
- Bigger install base. ChatGPT has ~1.2B lifetime installs vs Microsoft Outlook's ~799.2M - 1.5× the funnel top.
- More monetization surfaces. ChatGPT runs 5 IAP tiers vs 4 - 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
Microsoft Outlook
Monthly revenue (est.)?
$177.06M
◀
$77.82M
Annual revenue (est.)
$2.12B
◀
$933.87M
Lifetime installs (est.)
1.2B
◀
799.2M
Monthly active users (est.)?
600.0M
◀
241.4M
App Store rating
4.84★
◀
4.80★
Total ratings
7.0M
▶
8.9M
US grossing rank
#1
◀
-
Cheapest monthly sub
$8.33
▶
$9.99
IAP tiers detected
5 tiers
◀
4 tiers
- 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
- Category
- Productivity
- Price
- Free
- Released
- Jan 29, 2015
- Last updated
- May 6, 2026
- File size
- 450.3 MB
- Content rating
- 4+
- Version
- 5.2617.1
- Languages
- SQ, AM, Arabic, Bulgarian, Catalan, Croatian +41 more
ChatGPT trajectory
Microsoft Outlook trajectory
FAQ
Which makes more money, ChatGPT or Microsoft Outlook? v
ChatGPT earns about $177.06M per month, while Microsoft Outlook earns about $77.82M. That is a 2.3× revenue gap (~$99.24M more per month for ChatGPT). Annual revenue: ChatGPT ≈ $2.12B/year, Microsoft Outlook ≈ $933.87M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, ChatGPT or Microsoft Outlook? v
ChatGPT leads with about 1.2B estimated downloads vs 799.2M for Microsoft Outlook - a 1.5× gap. ChatGPT's App Store downloads are estimated from 7.0M ratings × the standard 1:75 ratio. Microsoft Outlook's App Store downloads are estimated from 8.9M ratings.
Are ChatGPT and Microsoft Outlook 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 Microsoft Outlook offer? v
ChatGPT: IAP range 5 tiers detected. Microsoft Outlook: IAP range 4 tiers detected. ChatGPT runs a "Subscription (~$8.33/mo, ai) · calibrated by US grossing rank #1" monetization model; Microsoft Outlook runs "Subscription (~$9.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, ChatGPT or Microsoft Outlook? v
ChatGPT edges ahead with ★ 4.8 vs ★ 4.8 (gap of 0.0 stars). Rating volume: ChatGPT 7.0M ratings, Microsoft Outlook 8.9M ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these ChatGPT vs Microsoft Outlook revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $177.06M for ChatGPT and $77.82M for Microsoft Outlook 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 Microsoft Outlook 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.