Microsoft Outlook vs Proton Mail - Encrypted Email
Microsoft Outlook
Microsoft Corporation
App Store
$77.82M/mo
~$933.87M/yr · 799.2M installs
VS
Proton Mail - Encrypted Email
Proton AG
App Store
$272.3K/mo
~$3.27M/yr · 4.7M installs
Revenue winner
Microsoft Outlook wins
+28479% vs other
Installs winner
Microsoft Outlook wins
+16974% vs other
MAU winner
Microsoft Outlook wins
+17031% vs other
Rating winner
Microsoft Outlook wins
+1% vs other
Why Microsoft Outlook is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Microsoft Outlook earns roughly 286× more per month than Proton Mail - Encrypted Email - $77.82M vs $272.3K.
- Premium pricing. Microsoft Outlook charges $9.99/mo vs Proton Mail - Encrypted Email's $5.99/mo - higher ARPU per converted user.
- Bigger install base. Microsoft Outlook has ~799.2M lifetime installs vs Proton Mail - Encrypted Email's ~4.7M - 170.7× the funnel top.
→ Find more apps with this revenue gap · Full Microsoft Outlook report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Microsoft Outlook
vs
Proton Mail - Encrypted Email
Monthly revenue (est.)?
$77.82M
◀
$272.3K
Annual revenue (est.)
$933.87M
◀
$3.27M
Lifetime installs (est.)
799.2M
◀
4.7M
Monthly active users (est.)?
241.4M
◀
1.4M
App Store rating
4.80★
◀
4.75★
Total ratings
8.9M
◀
43K
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
◀
$5.99
IAP tiers detected
4 tiers
=
4 tiers
- 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
- Category
- Productivity
- Price
- Free
- Released
- Mar 17, 2016
- Last updated
- May 8, 2026
- File size
- 245.3 MB
- Content rating
- 4+
- Version
- 7.9.3
- Languages
- BE, Catalan, Czech, Danish, Dutch, English +23 more
Microsoft Outlook trajectory
Proton Mail - Encrypted Email trajectory
FAQ
Which makes more money, Microsoft Outlook or Proton Mail - Encrypted Email? v
Microsoft Outlook earns about $77.82M per month, while Proton Mail - Encrypted Email earns about $272.3K. That is a 285.8× revenue gap (~$77.55M more per month for Microsoft Outlook). Annual revenue: Microsoft Outlook ≈ $933.87M/year, Proton Mail - Encrypted Email ≈ $3.27M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Microsoft Outlook or Proton Mail - Encrypted Email? v
Microsoft Outlook leads with about 799.2M estimated downloads vs 4.7M for Proton Mail - Encrypted Email - a 170.7× gap. Microsoft Outlook's App Store downloads are estimated from 8.9M ratings × the standard 1:75 ratio. Proton Mail - Encrypted Email's App Store downloads are estimated from 43K ratings.
Are Microsoft Outlook and Proton Mail - Encrypted Email 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 Microsoft Outlook and Proton Mail - Encrypted Email offer? v
Microsoft Outlook: IAP range 4 tiers detected. Proton Mail - Encrypted Email: IAP range 4 tiers detected. Microsoft Outlook runs a "Subscription (~$9.99/mo)" monetization model; Proton Mail - Encrypted Email 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, Microsoft Outlook or Proton Mail - Encrypted Email? v
Microsoft Outlook edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.1 stars). Rating volume: Microsoft Outlook 8.9M ratings, Proton Mail - Encrypted Email 43K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Microsoft Outlook vs Proton Mail - Encrypted Email revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $77.82M for Microsoft Outlook and $272.3K for Proton Mail - Encrypted Email 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 Microsoft Outlook or Proton Mail - Encrypted Email 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.