# 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 — 計算ドリルで認知症予防や脳年齢、大人も子供も反射神経や集中力 > Brain training puzzle game with visual effects for cognitive enhancement. (iPhone/iPad app by HAMARU LLC.) - Source: https://appshunter.io/ios/app/hamaru/id936560269 (this page in markdown: same URL + `.md`) - Developer: [HAMARU LLC](https://appshunter.io/developer/936560268) - Category: Games, Education, Family, Puzzle - Price: Free with in-app purchases - Rating: 4.80/5 from 27 App Store ratings · 8 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 61 MB - Languages: American English, Japanese - Released: 2014-12-23 - Data updated: 2026-09-01 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/hamaru/id936560269/reviews.md ## What is 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習? [HAMARU: Brain Games & Training] Improve your brain effectively with HAMARU professional brain games. Let's grow the performance of your brain. We’ve received very good reviews from Japan’s major app review sites. Here are a few quotes: AppBank Your math calculation skills improve before you even know it. This happens while you solve problems just to see the beautiful visual effects. It’s an innovative game that makes calculation fun. iphone-girl Hamaru is a math game with sparkly and bouncy visual effects. They look like fireworks and are very beautiful. appmaga.net The visual effects are reaaaally good!! Plus, the movements are awesome. appget It doesn’t feel like a brain training app. It has the lighting effects of a shooting game, and sense of achievement of a puzzle game. This game has an extraordinary potential. Hamaru is recommended for gamers of the following types: If you are not one of them, beware. ・You like simple, innovative games. ・You want to become a little smarter while enjoying a game. ・But you don’t really believe it can be that easy. ・You’re not great at doing math in your head, but you’d sure like an opportunity to get better. ・You have a child who’s bad with numbers but loves games. ・You like a beautiful, feel-good user interface! ・You like illumination and other things that sparkle and shine! ・You can't get over laser beams!!!! .You want to quickly brush up your calculation skills in your spare time. .You’re looking for an app to help prevent dementia. .You are interested in words such as: brain training, numbers, math, addition, education, learning, calculation and self-improvement. If you fit even one of these descriptions, why don't you skip the work of reading some long description, play it, and see for yourself? It is free, after all. Powered by "CRI ADX2 (TM) LE". CRIWARE is a trademark of CRI Middleware Co., Ltd. ## Key features - Brain training games - Calculation drills - Reflex and concentration improvement - Dementia prevention - Beautiful visual effects - Suitable for all ages ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Remove Ads | $2.99 | one-time | | Lives Container +1 | $4.99 | one-time | | Lives Container +1 | $4.99 | one-time | | Lives Container +1 | $4.99 | one-time | | Lives Container +1 | $4.99 | one-time | | Lives Container +1 | $4.99 | one-time | | Lives Container +1 | $4.99 | one-time | | 高難易度挑戦チケット | $2.99 | one-time | | エンドレスモード無制限チケット | $2.99 | one-time | | All in pack | $6.99 | one-time | ## Recent user reviews (8 of 8) All indexed reviews: https://appshunter.io/ios/app/hamaru/id936560269/reviews.md ### 5/5 — Great *2024-11-13* Love it ### 1/5 — Horrible *2022-08-31, version 1.9.40* This is STUPID ### 5/5 — Addictive *2022-02-14, version 1.9.40* Highly addictive and good for brain exercises ### 5/5 — 緑谷　出久 *2021-06-16* ハハハーーいいね👍 ### 5/5 — Fun! *2021-03-30, version 1.9.38* It’s good for my brain :) ### 5/5 — とっても楽しい！ *2020-06-17* 小学生の子供と親子で利用しています。 子供にはお勉強、大人には脳トレです！ ゲーム感覚で子供と競い合ってます。 楽しいのでおすすめですよ！ ### 5/5 — Great graphics and colors *2018-08-27* Very fun and entertaining! The features are mind blowing and very easy to use. It get you mind going to think and to get sharp with numbers. Hank you so much for creating this app! ### 1/5 — Awful *2014-12-31* Most annoying noises..so turned off. Still not much fun. Too simple and boring. ## Frequently asked questions about 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 ### What is HAMARU? HAMARU is a free brain training game that uses calculation drills and puzzles to improve cognitive skills like reflexes and concentration. It features beautiful visual effects and is designed for users of all ages. ### Does HAMARU have ads? Yes, HAMARU contains advertisements. It is a free application supported by ads, with optional in-app purchases available. ### What kind of games are in HAMARU? HAMARU features puzzle games focused on calculation drills, designed to enhance cognitive abilities. The gameplay is described as innovative and fun, with a sense of achievement similar to puzzle games. ### Is HAMARU good for preventing dementia? Yes, the app is recommended for users looking for an app to help prevent dementia by keeping the brain active through calculation and cognitive exercises. ### What age rating does HAMARU have? HAMARU has an age rating of 4+, making it suitable for children and adults. It is designed to be accessible and beneficial for a wide range of users. ### How often is HAMARU updated? The latest version of HAMARU is 1.9.49, and it was last updated on January 9, 2026. This indicates a consistent update schedule for the application. ### What devices support HAMARU? HAMARU is supported on iPhone, iPad, and iPod devices. It is developed by HAMARU LLC and is available for download on these platforms. ### What do users like about HAMARU? Users praise HAMARU for its beautiful and sparkly visual effects, which make the calculation exercises enjoyable. The app is noted for making learning math fun and not feeling like a traditional brain training app. ## Version history (last 5 releases) ### 1.9.49 — 2026-01-09 Fixed a fatal bug. ### 1.9.48 — 2025-06-18 Fixed a fatal bug. ### 1.9.47 — 2024-07-10 Fixed a fatal bug. ### 1.9.46 — 2024-03-05 Fixed a fatal bug. ### 1.9.45 — 2023-03-17 Fixed a fatal bug. ## Apps similar to 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 | App | Rating | Price | Category | | --- | --- | --- | --- | | [Brain Training, Know brain age](https://appshunter.io/ios/app/brain-training-know-brain-age/id633246396) | 4.5 (234) | Free | Games | | [Math Masters - Arithmetic -](https://appshunter.io/ios/app/math-masters-arithmetic/id514919162) | 4.0 (12) | Free | Games | | [Reaction Time: Tap Test](https://appshunter.io/ios/app/reaction-time-tap-test/id1580161727) | 3.7 (3) | Free | Games | | [MEMORICA](https://appshunter.io/ios/app/memorica/id6504671807) | 4.5 (2) | Free | Games | | [ひよこ暗算: 頭を使うゲーム 脳トレ 計算 算数 数学 勉強](https://appshunter.io/ios/app/id1177073966) | 4.7 (40) | Free | Games | | [Pocket Marble Runs](https://appshunter.io/ios/app/pocket-marble-runs/id1088172321) | 4.7 (2,058) | Free | Games | ## More apps by HAMARU LLC - [英検3級/2級/準2級！中学高校英語の学習・英単語帳にハマる](https://appshunter.io/ios/app/322/id1190783177) All apps by HAMARU LLC: https://appshunter.io/developer/936560268 ## Related topics [fungrow](https://appshunter.io/ios/topics/fungrow) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*