HAMARU: Brain Test & Training

HAMARU: Brain Test & Training
HAMARU: Brain Test & Training
Developer: HAMARU LLC
Category: Strategy
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1M installs
17.6K ratings
+224 weekly installs
trend steady
+1.4K monthly installs
trend steady

HAMARU: Brain Test & Training Summary

HAMARU: Brain Test & Training is a ad-supported, with in-app purchases Android app in the Strategy category, developed by HAMARU LLC. First released 11 years ago(Dec 2014), the app has accumulated 1M+ total installs and 17.6K ratings with a 4.38★ (good) average rating.

Recent activity: 224 installs this week (1.4K over 4 weeks) showing steady growth , and 3.00 new ratings this week (6.00 over 4 weeks) with stable momentum. View trends →

Advertising: The app has been identified as showing monetized advertisements based on detected ad network creatives.

Data tracking: SDKs and third-party integrations were last analyzed on Jan 30, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Feb 9, 2026.

Store info: Last updated on Google Play on Sep 29, 2025 (version 5020).

SDKs, Trackers & Permissions

HAMARU: Brain Test & Training was last scanned for SDKs 2026-01-30. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.

1 Mediation
company-logos/admob.com/logo_200x200.jpeg AdMob
3 Development Tools
company-logos/google.com/logo_200x200.jpeg Google
company-logos/cocos.com/logo_200x200.jpeg Cocos
company-logos/kotlinlang.org/logo_200x200.png Kotlin
1 Ad Networks
company-logos/google.com/logo_200x200.jpeg Google
1 Analytics: Product
company-logos/firebase.google.com/logo_200x200.png Firebase
App Details
Store ID: jp.co.studioms32
First Released: 2014-12-21
Store Last Updated: 2025-09-29
In-App Purchases: Yes
Ads: Yes
Website: hamaru.app
App Store
Crawl Status: Success
Store First Crawled: 2025-02-08
Store Last Crawled: 2026-02-07
Ads & App-Ads.txt
Ads.txt Last Crawled: 2025-10-14
Ads.txt Crawl Status: Success
SDK Tracking Status
Successful Last Crawled: 2026-01-30
Last Crawled: 2026-01-30
Last Crawl Status: Success

4.38★

Ratings: 17.6K

5★
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1★

Screenshots

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App Description

Experience the refreshing feeling! Brain training through games!

The very refreshing brain trainer app.
More than 1000K downloads!
A fun way to train your brain and build up math skills.
A recommended way to prevent dementia and Alzheimer's disease.

Increasing popularity!
Train your brain with HAMARU

For those who like brain trainer, want to prevent brain aging and dementia.
User-friendly brain trainer and brain teaser!

Brain Test & Free Training Games!
Offline & no WIFI