Calm - Sleep, Meditate, Relax vs Period Calendar Period Tracker
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$700k–$4.4M
$930k–$5.0M
Downloads / mo
120k–490k
590k–2.4M
Rating
★ 4.47 (613k)
★ 4.88 (4.9M)
Pricing
Free + IAP
Free + IAP
Category
Health & Fitness
Health & Fitness
Released
12.0y ago
14.4y ago
Verdict: Their revenue estimates overlap ($700k–$4.4M/mo vs $930k–$5.0M/mo), so neither clearly earns more on the numbers alone.