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Koikoi Downloads & RevenueKoikoi · App Store

Koikoi is #89 in Games › Casino Paid in United States and charting in 10 of 30 countries we track.

Updated 8 Nov 2026 · rankings refresh through the day

DeveloperKouichi Hayashi
CategoryGames
Price1.99 USD
Released
Rating★ 3.4 (5)
Version2.0.7
Age rating4+
First seen by us 24 Sep 2026
Installs (est.)500+ worldwide

Koikoi update history & changes

Last change · 14 events since 19 Mar 2013Full timeline ↓
Full timeline · 13 events in the last 12 months
  1. 📦
    Koikoi updated to version 2.0.7
    Added support for iOS 27.
    Fixed a bug where the app would become unresponsive if the leaderboard was displayed while not signed into Game Center.
  2. 📦
    Koikoi updated to version 2.0.6
    Added support for iOS 27.
    Fixed a bug where the help might be displayed in English even when the system language is set to Japanese.
  3. 📦
    Koikoi: first update in 544 days
  4. ✏️
    Koikoi: new iPad screenshots
    · 9 countries
  5. ✏️
    Koikoi: new screenshots
    5 screenshots (was 5) · 9 countries
  6. ✏️
    Koikoi: new iPad screenshots
    · JP
  7. ✏️
    Koikoi: new screenshots
    5 screenshots (was 5) · JP
  8. 📦
    Koikoi updated to version 2.0.5
    Added support for iOS 27.
  9. 📈
    Koikoi entered the top 100
    Top Paid · Card · JP
  10. 📈
    Koikoi charting in a new country
    Japan
  11. 🆕
    Koikoi first spotted by AppInsider
    #73 in Top Paid · Casino · United Kingdom
  12. 🆕
    Koikoi 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
3.4 ★
5 ratings
Measured
Best rank now
#89
Games › Casino Paid
Measured
Exact figures, their ranges and how sure we are, free with an account.Sign up freeSign in

Koikoi at a glance

AI summary written from our chart and store data. It can be wrong: check the numbers above.

Card Game Minimalist Traditional short sessions Premium

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