Microsoft Outlook vs Proton Mail - Encrypted Email

Microsoft Outlook

Microsoft Corporation
App Store
$0/mo
~$0/yr · 813.2M installs
VS

Proton Mail - Encrypted Email

Proton AG
App Store
$0/mo
~$0/yr · 5.0M installs
Revenue winnerTied
Installs winner Microsoft Outlook wins +16327% vs other
MAU winner Microsoft Outlook wins +1210% vs other
Rating winner Microsoft Outlook wins +1% vs other

Why Microsoft Outlook is winning

Top 1 reasons - backed by the public App Store / Play Store numbers.

  1. Bigger install base. Microsoft Outlook has ~813.2M lifetime installs vs Proton Mail - Encrypted Email's ~5.0M - 164.3× 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.)?
$0
=
$0
Annual revenue (est.)
$0
=
$0
Lifetime installs (est.)
813.2M
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
No sub
=
No sub
IAP tiers detected
0 tiers
=
0 tiers

Microsoft Outlook

Microsoft Corporation
App Store
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
View full Microsoft Outlook report →

Proton Mail - Encrypted Email

Proton AG
App Store
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
View full Proton Mail - Encrypted Email report →

Microsoft Outlook trajectory

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Proton Mail - Encrypted Email trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

FAQ

Which makes more money, Microsoft Outlook or Proton Mail - Encrypted Email? v
Proton Mail - Encrypted Email earns about $0 per month, while Microsoft Outlook earns about $0. That is a ∞× revenue gap. Annual revenue: Microsoft Outlook ≈ $0/year, Proton Mail - Encrypted Email ≈ $0/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 813.2M estimated downloads vs 5.0M for Proton Mail - Encrypted Email - a 164.3× 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.
Do Microsoft Outlook and Proton Mail - Encrypted Email have in-app purchases? v
Microsoft Outlook does not appear to offer in-app purchases on its public listing. Proton Mail - Encrypted Email does not appear to offer in-app purchases. Monetization model: Microsoft Outlook runs "No App Store revenue (monetizes off-store)", Proton Mail - Encrypted Email runs "No App Store revenue (monetizes off-store)".
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 $0 for Microsoft Outlook and $0 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.