Gmail - Email by Google vs Klender, family calendar
Gmail - Email by Google
Google
App Store
$37.98M/mo
~$455.80M/yr · 408.8M installs
VS
Klender, family calendar
Klender
Google Play
$20.1K/mo
~$240.6K/yr · 489K installs
Revenue winner
Gmail - Email by Google wins
+189315% vs other
Installs winner
Gmail - Email by Google wins
+83556% vs other
MAU winner
Gmail - Email by Google wins
+117725% vs other
Rating winner
Gmail - Email by Google wins
+472% vs other
Why Gmail - Email by Google is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Gmail - Email by Google earns roughly 1894× more per month than Klender, family calendar - $37.98M vs $20.1K.
- Bigger install base. Gmail - Email by Google has ~408.8M lifetime installs vs Klender, family calendar's ~489K - 836.6× the funnel top.
- More monetization surfaces. Gmail - Email by Google runs 3 IAP tiers vs 0 - more chances to convert users at the right price.
- Better app store reviews. Gmail - Email by Google sits at 4.72★ vs 0.00★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full Gmail - Email by Google report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Gmail - Email by Google
vs
Klender, family calendar
Monthly revenue (est.)?
$37.98M
◀
$20.1K
Annual revenue (est.)
$455.80M
◀
$240.6K
Lifetime installs (est.)
408.8M
◀
489K
Monthly active users (est.)?
122.6M
◀
104K
App Store rating
4.72★
◀
-
Total ratings
2.4M
◀
0
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$8.64
IAP tiers detected
3 tiers
◀
0 tiers
- Category
- Productivity
- Price
- Free
- Released
- Nov 2, 2011
- Last updated
- May 4, 2026
- File size
- 685.0 MB
- Content rating
- 4+
- Version
- 6.0.260427
- Languages
- AF, Arabic, EU, BN, Bulgarian, Catalan +51 more
- Category
- Productivity
- Price
- Free
- Released
- -
- Last updated
- Feb 2, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 7.19.50
- Languages
- -
Gmail - Email by Google trajectory
Klender, family calendar trajectory
FAQ
Which makes more money, Gmail - Email by Google or Klender, family calendar? v
Gmail - Email by Google earns about $37.98M per month, while Klender, family calendar earns about $20.1K. That is a 1894.1× revenue gap (~$37.96M more per month for Gmail - Email by Google). Annual revenue: Gmail - Email by Google ≈ $455.80M/year, Klender, family calendar ≈ $240.6K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Gmail - Email by Google or Klender, family calendar? v
Gmail - Email by Google leads with about 408.8M estimated downloads vs 489K for Klender, family calendar - a 836.6× gap. Gmail - Email by Google's App Store downloads are estimated from 2.4M ratings × the standard 1:75 ratio. Klender, family calendar reports 100,000+ installs on Google Play.
Are Gmail - Email by Google and Klender, family calendar in the same App Store category on each store 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 Gmail - Email by Google and Klender, family calendar offer? v
Gmail - Email by Google: IAP range 3 tiers detected. Klender, family calendar: IAP range $2.49 - $29.99 per item. Gmail - Email by Google runs a "Free + one-time IAP (3 tiers)" monetization model; Klender, family calendar runs "Subscription (~$8.64/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Gmail - Email by Google or Klender, family calendar? v
Gmail - Email by Google edges ahead with a higher overall score (gap of 4.7 stars). Rating volume: Gmail - Email by Google 2.4M ratings, Klender, family calendar 0 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Gmail - Email by Google vs Klender, family calendar revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $37.98M for Gmail - Email by Google and $20.1K for Klender, family calendar are derived from App Store grossing rank / Google Play install ranges, 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 Gmail - Email by Google or Klender, family calendar to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play 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.