Foundation Doctor Handbook vs Period Tracker and Calendar
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$100–$600
$220k–$890k
Downloads / mo
70–300
73k–300k
Rating
★ 0.00 (0)
★ 4.87 (551k)
Pricing
Paid $2.99
Free + IAP
Category
Medical
Medical
Released
3.5y ago
10.8y ago
Verdict: Period Tracker and Calendar earns more — an estimated $220k–$890k/mo, versus $100–$600/mo for Foundation Doctor Handbook.