Period Tracker and Calendar vs Vision Tests
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$300k–$1.3M
$0
Downloads / mo
510k–2.1M
3k–13k
Rating
★ 4.87 (551k)
★ 4.25 (3k)
Pricing
Free + IAP
Free
Category
Medical
Medical
Released
10.8y ago
5.0y ago
Verdict: Period Tracker and Calendar earns more — an estimated $300k–$1.3M/mo, versus $0/mo for Vision Tests.