AppBrain rates this app as risky.
It belongs to "UM8", a network of apps published in bulk from many new developer
accounts, and 100% of those have already been removed from Google Play.
AppBrain tracks 280 apps like this from 61 developers.
See more information about "UM8" apps.
Number Focus
3.0.0
YUDAOJIN TECH
0.00
0 reviews
100+
Downloads
Free
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This app is currently not available on Google Play.
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AppBrain's verdict
Removed
Installs
320
Last updated
December 26, 2025
Ads
No ads
Size
20.0 MB
Number Focus is no longer on Google Play. It was there for 10 days, until January 2026. It was a niche app, with 320 installs. It had too few ratings to say what users thought.
User feedback
Ratings and reviews on Google Play
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Store listing
By YUDAOJIN TECH, from Google Play
Description by YUDAOJIN TECHWritten by the developer, not by AppBrain. Click to read.
A fun and fast memory challenge. Numbers appear briefly on cards, then disappear. Remember their positions and tap the correct one before time runs out. Multiple modes keep every round fresh and exciting.
Safety and technology
Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
?
App size
20.0 MB
Content rating
Everyone
Technologies used by Number Focus
6 permissions
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Releases
Updates seen on Google Play
Version
3.0.0
Launched
December 2025
Jan 3, 2026Unpublished
Jan 1, 2026Installs100+ installs
Dec 26, 2025New AppVersion 3.0.0 in CASUAL for Free
The year before it was removed from Google Play, up to January 2026
Number Focus was installed 320 times before it was removed.
About the app and developer
About Number Focus
Number Focus was a casual app developed by YUDAOJIN TECH. It was removed from Google Play Jan 3, 2026.
Install Statistics
Number Focus had been downloaded 320 times before it became unavailable.
User Ratings
The app had no ratings.
App Information
Number Focus was free. The APK size was 19.98 MB. The last available APK version was 3.0.0. The last update was on December 26, 2025.
Technical Requirements
The app had a content rating of Everyone. The app had been available on Google Play since December 2025.
Number Focus was made and published by
YUDAOJIN TECH.
AppBrain is an independent app data site and isn't affiliated with YUDAOJIN TECH.
The app name, icon and description belong to YUDAOJIN TECH and are shown as last published on Google Play.
App Performance Report
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