App Intel

Subtraction Master-Math Game

Live구도준&KOOKYOTAN5 apps · 3.6K installsEducationalFree · contains adsIn-app purchases: $0.49 per itemcom.gamemaster.subtraction

Only 10 seconds! Be the Subtraction King. A fun mental math game for kids!

Alert me★ WatchOpen in Play ↗
Total installs
503
exact · Play shows 500+
Installs / day
0
since last crawl
Rating
—★
— ratings · — reviews
Released
20 Feb 2026
8mo ago
Last update
28 Apr 2026
v1.1.8 · 5mo ago
Countries
—
not checked yet

Install history

exact counter from Google Play
491.3618.5745.7872.81K10 Oct11 Oct12 Oct
491.3618.5745.7872.81K10 Oct11 Oct12 Oct

Installs per day · last 90 days

00.30.50.8111 Oct12 Oct12 Oct11 Oct: 012 Oct: 0

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

8 in 3 groups
4 Sensitive1 Notable3 Routine

What this app can do with your phone

  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
OtherNotable4

Access to miscellaneous device features that don't fit other categories

  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
🔥 10 seconds of tension! How fast is your brain? Stop solving boring math problems! 'Subtraction Master' is an addictive math game that maximizes mental calculation skills under tight time limits. It is effective for improving basic skills in children, as well as preventing dementia and exercising the brain in adults. ✨ Key Features: - 🎮 Immersive Gameplay: Sudden Death mode – one mistake and it's over! - Focus hard to reach #1 on the leaderboard. - 📈 Progressive Difficulty: Naturally improve from simple one-digit subtraction to complex two-digit operations from Round 1 to 3. - 🏆 Family Competition: Set personal goals like 'Beat Dad' or 'Reward: Ice Cream'. - Fun for the whole family. - ⚡ Play Offline: Lightweight and smooth – play anywhere, anytime without worrying about data! 🕹️ How to Play: 1. Solve the 10 problems given in each round. 2. The time limit for each question is only 10 seconds! 3. The faster you answer, the higher the bonus score. 4. One mistake or a timeout ends the game! Try to break your high score. 🎓 Educational Effects: - Improve basic subtraction calculation speed. - Strengthen instant concentration and working memory. - Increase familiarity with numbers and mathematical thinking.

What's new

Minor improvements: - Enhanced round transition screen with gameplay instructions - Improved UI polish and visual consistency - Sound effect refinements for better audio experience

Growing in Educational

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