📈Last 7 days+122 installs — 30% slower than the week before (+175) · 17/day since Oct 9
🏆Among Health & Fitness appstop 2% by installs gained this week (585 peers growing)
⭐Rating steady at ★ 4.84 since Oct 9
🛠Updatesquiet · updated 71 days ago
Installs since launch
+469 installs
· +1 ratings
since Oct 9
Update history
1.97Sep 3, 2026 · seen Oct 15, 2026
A cycle can start without change of the average calculation.
Only the current version so far — new entries appear as the app ships updates.
Periodical is a health & fitness app by Arno Welzel with 10,000+ downloads (about 28K estimated). +122 installs in the last 7 days. Rated 4.8 from 179 ratings. Released Apr 15, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “A menstrual calender with calculation of fertile days according to Knaus-Ogino.”
