Period Calendar Period Tracker icon

Period Calendar Period Tracker

Simple Design Ltd.
★ 4.9 (4,898,416 ratings)
⬇ 100,000,000+ downloads
Est. actual: 226,485,198
Free
Released: Mar 16, 2012
IAP: $0.99 - $59.99 per item
Contains ads
Rated: Everyone

Signals

4 this week · 2 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +308K installs — 12% slower than the week before (+349K) · 39K/day since Sep 26
  • 🏆Among Health & Fitness apps top 1% by installs gained this week (275 peers growing)
  • ⭐Rating steady at ★ 4.89 since Sep 26
  • 🛠Updates actively updated · updated 30 days ago · every ~36 days (2 updates tracked)
Installs since launch
0 113M 226M 226M Mar 16, 2012 today
+1,579,215 installs · +7,301 ratings since Sep 26
Update history
— Oct 16, 2026
This update makes our app faster and more reliable. Thanks for updating!
VARY Sep 10, 2026 · seen Sep 26, 2026
Pregnancy Mode got a big upgrade! Watch your baby's size grow week by week and see what to expect for you and your baby. Enjoy it all in a smoother, more accurate pregnancy tracker.
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Period Calendar Period Tracker is a health & fitness app by Simple Design Ltd. with 100,000,000+ downloads (about 226M estimated). +308K installs in the last 7 days. Rated 4.9 from 4.9M ratings. Released Mar 16, 2012. Install growth, rank history, SDKs and ad networks.

From the store listing: “Period Calendar is a period tracker and ovulation tracker in one — predict your period, ovulation and fertile window, and track your chance of getting pregnant. ★The rating 4.9★ Popular in 63 Countries. Trusted by 300 million Users. Keep track of your menstrual cycles with Period Calendar. It tracks your periods,…”