Period Calendar Period Tracker vs Pulse Oximeter - Beat & Oxygen
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$620k–$3.4M
$8k–$44k
Downloads / mo
390k–1.6M
5k–22k
Rating
★ 4.89 (4.9M)
★ 3.72 (9k)
Pricing
Free + IAP
Free + IAP
Category
Health & Fitness
Health & Fitness
Released
14.6y ago
6.3y ago
Verdict: Period Calendar Period Tracker earns more — an estimated $620k–$3.4M/mo, versus $8k–$44k/mo for Pulse Oximeter - Beat & Oxygen.