Calm - Sleep, Meditate, Relax vs Period Calendar Period Tracker

Calm - Sleep, Meditate, Relax

Calm.com, Inc.
Google Play
$2.35M/mo
~$28.20M/yr · 69.4M 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 +95% vs other
Installs winner Period Calendar Period Tracker wins +218% vs other
MAU winner Period Calendar Period Tracker wins +126% vs other
Rating winner Period Calendar Period Tracker wins +9% vs other

Why Period Calendar Period Tracker is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Period Calendar Period Tracker earns roughly 2× more per month than Calm - Sleep, Meditate, Relax - $4.59M vs $2.35M.
  2. Aggressive pricing. Period Calendar Period Tracker undercuts at $7.71/mo vs $19.90/mo - converts a higher % of free users.
  3. Bigger install base. Period Calendar Period Tracker has ~220.4M lifetime installs vs Calm - Sleep, Meditate, Relax's ~69.4M - 3.2× the funnel top.
  4. Better app store reviews. Period Calendar Period Tracker sits at 4.88★ vs 4.46★ - store algorithms reward higher-rated apps with more impressions.

→ 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.

Calm - Sleep, Meditate, Relax
vs
Period Calendar Period Tracker
Monthly revenue (est.)?
$2.35M
▶
$4.59M
Annual revenue (est.)
$28.20M
▶
$55.04M
Lifetime installs (est.)
69.4M
▶
220.4M
Monthly active users (est.)?
3.6M
▶
8.2M
App Store rating
4.46★
▶
4.88★
Total ratings
611K
▶
4.9M
US grossing rank
-
=
-
Cheapest monthly sub
$19.90
◀
$7.71
IAP tiers detected
0 tiers
=
0 tiers

Calm - Sleep, Meditate, Relax

Calm.com, Inc.
Google Play
Category
Health & Fitness
Price
Free
Released
Jul 30, 2014
Last updated
May 7, 2026
File size
-
Content rating
Everyone
Version
VARY
Languages
-
View full Calm - Sleep, Meditate, Relax report →

Period Calendar Period Tracker

Simple Design Ltd.
Google Play
Category
Health & Fitness
Price
Free
Released
Mar 16, 2012
Last updated
May 7, 2026
File size
-
Content rating
Everyone
Version
VARY
Languages
-
View full Period Calendar Period Tracker report →

Calm - Sleep, Meditate, Relax trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Period Calendar Period Tracker trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Calm - Sleep, Meditate, Relax Play Store page →Period Calendar Period Tracker Play Store page →

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Compare another pair

FAQ

Which makes more money, Calm - Sleep, Meditate, Relax or Period Calendar Period Tracker? v
Period Calendar Period Tracker earns about $4.59M per month, while Calm - Sleep, Meditate, Relax earns about $2.35M. That is a 2.0× revenue gap (~$2.24M more per month for Period Calendar Period Tracker). Annual revenue: Calm - Sleep, Meditate, Relax ≈ $28.20M/year, Period Calendar Period Tracker ≈ $55.04M/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Calm - Sleep, Meditate, Relax or Period Calendar Period Tracker? v
Period Calendar Period Tracker leads with about 220.4M estimated downloads vs 69.4M for Calm - Sleep, Meditate, Relax - a 3.2× gap. Calm - Sleep, Meditate, Relax reports 50,000,000+ installs on Google Play. Period Calendar Period Tracker reports 100,000,000+ installs on Google Play.
Are Calm - Sleep, Meditate, Relax and Period Calendar Period Tracker in the same Google Play category 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 Calm - Sleep, Meditate, Relax and Period Calendar Period Tracker offer? v
Calm - Sleep, Meditate, Relax: IAP range $0.99 - $399.99 per item. Period Calendar Period Tracker: IAP range $0.99 - $59.99 per item. Calm - Sleep, Meditate, Relax runs a "Subscription (~$19.90/mo, wellness)" 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, Calm - Sleep, Meditate, Relax or Period Calendar Period Tracker? v
Period Calendar Period Tracker edges ahead with ★ 4.9 vs ★ 4.5 (gap of 0.4 stars). Rating volume: Calm - Sleep, Meditate, Relax 64K ratings, Period Calendar Period Tracker 115K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Calm - Sleep, Meditate, Relax vs Period Calendar Period Tracker revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $2.35M for Calm - Sleep, Meditate, Relax and $4.59M for Period Calendar Period Tracker are derived from Google Play grossing rank, 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 Calm - Sleep, Meditate, Relax or Period Calendar Period Tracker to a different Google Play app? v
Use the search box at the bottom of this page or paste any two 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.