30 Day Fitness Challenge 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
$490k–$2.7M
$1.0M–$5.4M
Downloads / mo
310k–1.3M
640k–2.6M
Rating
★ 4.79 (550k)
★ 4.88 (4.9M)
Pricing
Free + IAP
Free + IAP
Category
Health & Fitness
Health & Fitness
Released
10.2y ago
14.4y ago
Verdict: Their revenue estimates overlap ($490k–$2.7M/mo vs $1.0M–$5.4M/mo), so neither clearly earns more on the numbers alone.