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Koyomi Downloads & RevenueKoyomi · App Store

二十四節気や七十二候が表示出来る「こよみ」

Koyomi is #25 in Lifestyle Paid in Japan and charting in 1 of 30 countries we track.

Updated 8 Nov 2026 · rankings refresh through the day

DeveloperiWare Inc.
CategoryLifestyle
Price300 JPY
Released
Rating★ 4.4 (648)
Version1.7.0
Age rating4+
First seen by us 24 Sep 2026
Installs (est.)10k+ worldwide

Koyomi update history & changes

Last change · 3 events since 17 Oct 2014Full timeline ↓
Full timeline · 2 events in the last 12 months
  1. 🆕
    Koyomi first spotted by AppInsider
    #19 in Top Paid · Lifestyle · Japan
  2. 🆕
    Koyomi released on the App Store

Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.

Monthly users
all platforms
Rating
4.4 ★
648 ratings
Measured
Best rank now
#25
Lifestyle Paid
Measured
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Koyomi on the App Store

App details

App ID
926113841
Publisher
iWare Inc.
On the store since
Oct 2014
12 years on the store
Minimum OS
iOS 9.0+
iPhone 4s and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
19 MB
Also listed in
Utilities