SleepWatch - Top Sleep Tracker vs Period Calendar Period Tracker
SleepWatch - Top Sleep Tracker
Bodymatter, Inc.
App Store
$1.84M/mo
~$22.06M/yr · 49.3M installs
VS
Period Calendar Period Tracker
Simple Design Ltd.
Google Play
$4.59M/mo
~$55.04M/yr · 220.4M installs
Revenue winner
Period Calendar Period Tracker wins
+150% vs other
Installs winner
Period Calendar Period Tracker wins
+347% vs other
MAU winner
SleepWatch - Top Sleep Tracker wins
+17% vs other
Rating winner
Period Calendar Period Tracker wins
+5% vs other
Why Period Calendar Period Tracker is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- Period Calendar Period Tracker earns roughly 2× more per month than SleepWatch - Top Sleep Tracker - $4.59M vs $1.84M.
- Premium pricing. Period Calendar Period Tracker charges $7.71/mo vs SleepWatch - Top Sleep Tracker's $3.99/mo - higher ARPU per converted user.
- Bigger install base. Period Calendar Period Tracker has ~220.4M lifetime installs vs SleepWatch - Top Sleep Tracker's ~49.3M - 4.5× the funnel top.
→ Find more apps with this revenue gap · Full Period Calendar Period Tracker report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
SleepWatch - Top Sleep Tracker
vs
Period Calendar Period Tracker
Monthly revenue (est.)?
$1.84M
▶
$4.59M
Annual revenue (est.)
$22.06M
▶
$55.04M
Lifetime installs (est.)
49.3M
▶
220.4M
Monthly active users (est.)?
9.5M
◀
8.2M
App Store rating
4.65★
▶
4.88★
Total ratings
329K
▶
4.9M
US grossing rank
-
=
-
Cheapest monthly sub
$3.99
▶
$7.71
IAP tiers detected
8 tiers
◀
0 tiers
- Category
- Health & Fitness
- Price
- Free
- Released
- Aug 7, 2016
- Last updated
- Feb 20, 2026
- File size
- 396.6 MB
- Content rating
- 17+
- Version
- 8.7.2
- Languages
- English
- Category
- Health & Fitness
- Price
- Free
- Released
- Mar 16, 2012
- Last updated
- May 7, 2026
- File size
- -
- Content rating
- Everyone
- Version
- VARY
- Languages
- -
SleepWatch - Top Sleep Tracker trajectory
Period Calendar Period Tracker trajectory
FAQ
Which makes more money, SleepWatch - Top Sleep Tracker or Period Calendar Period Tracker? v
Period Calendar Period Tracker earns about $4.59M per month, while SleepWatch - Top Sleep Tracker earns about $1.84M. That is a 2.5× revenue gap (~$2.75M more per month for Period Calendar Period Tracker). Annual revenue: SleepWatch - Top Sleep Tracker ≈ $22.06M/year, Period Calendar Period Tracker ≈ $55.04M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, SleepWatch - Top Sleep Tracker or Period Calendar Period Tracker? v
Period Calendar Period Tracker leads with about 220.4M estimated downloads vs 49.3M for SleepWatch - Top Sleep Tracker - a 4.5× gap. SleepWatch - Top Sleep Tracker's App Store downloads are estimated from 329K ratings × the standard 1:75 ratio. Period Calendar Period Tracker reports 100,000,000+ installs on Google Play.
Are SleepWatch - Top Sleep Tracker and Period Calendar Period Tracker in the same App Store category on each store and competing for the same money? v
Yes - both apps sit in the Health & Fitness 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 SleepWatch - Top Sleep Tracker and Period Calendar Period Tracker offer? v
SleepWatch - Top Sleep Tracker: IAP range 8 tiers detected. Period Calendar Period Tracker: IAP range $0.99 - $59.99 per item. SleepWatch - Top Sleep Tracker runs a "Subscription (~$5.99/mo)" monetization model; Period Calendar Period Tracker runs "Subscription (~$7.71/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, SleepWatch - Top Sleep Tracker or Period Calendar Period Tracker? v
Period Calendar Period Tracker edges ahead with ★ 4.9 vs ★ 4.7 (gap of 0.2 stars). Rating volume: SleepWatch - Top Sleep Tracker 329K ratings, Period Calendar Period Tracker 115K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these SleepWatch - Top Sleep Tracker vs Period Calendar Period Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $1.84M for SleepWatch - Top Sleep Tracker and $4.59M for Period Calendar Period Tracker are derived from App Store grossing rank / Google Play install ranges, scraped IAP tiers, ratings volume and category benchmarks (Health & Fitness) - 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 SleepWatch - Top Sleep Tracker or Period Calendar Period Tracker 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.