Human Anatomy Atlas 2026 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
$100k–$440k
$1.5M–$6.2M
Downloads / mo
9k–37k
510k–2.1M
Rating
★ 4.78 (18k)
★ 4.87 (551k)
Pricing
Paid $2000
Free + IAP
Category
Medical
Medical
Released
9.7y ago
10.8y ago
Verdict: Period Tracker and Calendar earns more — an estimated $1.5M–$6.2M/mo, versus $100k–$440k/mo for Human Anatomy Atlas 2026.