Zenichin is made and published by Koji Sato. AppBrain is an independent app data site and isn't affiliated with Koji Sato. The app name, icon, screenshots and description belong to Koji Sato and are shown as published on Google Play.
AppBrain's verdict
EstablishedNiche- Installs
- 6.3 thousand
- Last updated
- August 10, 2026
- Ads
- Contains ads
- Size
- 19.1 MB
Zenichin is a niche app, with 6.3 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on Zenichin for Android
We don't have enough comments to show example comments. Please check back later.
Store listing
By Koji Sato, from Google Play“Yen Exchange Puzzle”
Description by Koji Sato Written by the developer, not by AppBrain. Click to read.
It's easy at first, but it gets harder and harder.
What kind of money can you make?
Recent changes:
Target API updated to 36.
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- ?
- App size
- 19.1 MB
- Content rating
- Everyone
Technologies used by Zenichin
Releases
Updates seen on Google Play- Version
- 2.1.1
- Launched
- July 2019
Alternatives
Similar apps and more from Koji Sato
Installs
Tracked by AppBrain- Last 30 days
- 33
- Play install range
- 5+ thousand
- Launched
- July 2019
Installs over time
Zenichin has been installed 6.3 thousand times. Over the past 30 days, it has been installed 33 times.
Rankings
Google Play top chartsGoogle Play Rankings for Zenichin
About the app and developer
About Zenichin
Zenichin is a puzzle app developed by Koji Sato.
Install Statistics
Zenichin has been installed 6.3 thousand times. In the last 30 days, the app was installed 33 times.
User Ratings
The app has no ratings yet.
App Information
Zenichin is freely available from Google Play. The app size is 19.12 MB. The latest version available is 2.1.1. The last update was on August 10, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since July 2019.
App Performance Report
Get a detailed PDF report for Zenichin with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29