Period Calendar Period Tracker vs Six Pack in 30 Days
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$1.0M–$5.4M
$53k–$340k
Downloads / mo
640k–2.6M
360k–1.5M
Rating
★ 4.88 (4.9M)
★ 4.93 (2.8M)
Pricing
Free + IAP
Free + IAP
Category
Health & Fitness
Health & Fitness
Released
14.4y ago
8.6y ago
Verdict: Period Calendar Period Tracker earns more — an estimated $1.0M–$5.4M/mo, versus $53k–$340k/mo for Six Pack in 30 Days.