📈Last 7 days+308K installs — 12% slower than the week before (+349K) · 39K/day since Sep 26
🏆Among Health & Fitness appstop 1% by installs gained this week (275 peers growing)
⭐Rating steady at ★ 4.89 since Sep 26
🛠Updatesactively updated · updated 30 days ago · every ~36 days (2 updates tracked)
Installs since launch
+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!
VARYSep 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.
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,…”