Microsoft Outlook vs Proton Mail - Encrypted Email
Microsoft Outlook
Microsoft Corporation
App Store
$6.34M/mo
~$76.03M/yr · 813.4M installs
VS
Proton Mail - Encrypted Email
Proton AG
App Store
$288.3K/mo
~$3.46M/yr · 5.0M installs
Revenue winner
Microsoft Outlook wins
+2097% vs other
Installs winner
Microsoft Outlook wins
+16317% vs other
MAU winner
Microsoft Outlook wins
+1209% 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 22× more per month than Proton Mail - Encrypted Email - $6.34M vs $288.3K.
- 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 ~813.4M lifetime installs vs Proton Mail - Encrypted Email's ~5.0M - 164.2× 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.)?
$6.34M
◀
$288.3K
Annual revenue (est.)
$76.03M
◀
$3.46M
Lifetime installs (est.)
813.4M
◀
5.0M
Monthly active users (est.)?
19.5M
◀
1.5M
App Store rating
4.80★
◀
4.75★
Total ratings
9.0M
◀
45K
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
- Jun 29, 2026
- File size
- 464.9 MB
- Content rating
- 4+
- Version
- 5.2625.0
- Languages
- SQ, AM, Arabic, Bulgarian, Catalan, Croatian +41 more
- Category
- Productivity
- Price
- Free
- Released
- Mar 17, 2016
- Last updated
- Jul 2, 2026
- File size
- 255.8 MB
- Content rating
- 4+
- Version
- 7.10.1
- 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 $6.34M per month, while Proton Mail - Encrypted Email earns about $288.3K. That is a 22.0× revenue gap (~$6.05M more per month for Microsoft Outlook). Annual revenue: Microsoft Outlook ≈ $76.03M/year, Proton Mail - Encrypted Email ≈ $3.46M/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 813.4M estimated downloads vs 5.0M for Proton Mail - Encrypted Email - a 164.2× gap. Microsoft Outlook's App Store downloads are estimated from 9.0M ratings × the standard 1:75 ratio. Proton Mail - Encrypted Email's App Store downloads are estimated from 45K 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 0.0 stars). Rating volume: Microsoft Outlook 9.0M ratings, Proton Mail - Encrypted Email 45K 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 $6.34M for Microsoft Outlook and $288.3K 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.