Period Tracker and Calendar vs The Wills Eye Manual
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$1.5M–$6.2M
$19k–$79k
Downloads / mo
510k–2.1M
7k–27k
Rating
★ 4.87 (551k)
★ 3.18 (51)
Pricing
Free + IAP
Free + IAP
Category
Medical
Medical
Released
10.8y ago
9.0y ago
Verdict: Period Tracker and Calendar earns more — an estimated $1.5M–$6.2M/mo, versus $19k–$79k/mo for The Wills Eye Manual.