Comparison

MathZombie! vs 脳内そろばん

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MathZombie!

Engage in a brain-training calculation game to defeat zombies with mental arithmetic. Solve addition, subtraction, and multiplication problems to progress through increasingly difficult stages and compete on global leaderboards. Practice makes perfect for faster calculations.

Highlights
  • Mental arithmetic training
  • Addition, subtraction, multiplication
  • Progressive difficulty levels
  • In-game coin collection
  • Global and net rankings
  • Bluetooth keyboard support
Features
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Brain training calculation app that can beat the zombies in mental arithmetic has emerged. The words that come out to the left and right let's calculate alternately. Addition, subtraction, supports the multiplication. iPhone, iPad compatible. Collect coins, let's move to a more intense stage. In a more strong stage, it will be more difficult problem is displayed. A game, with repeated practice, you can speed up the calculation. Speed ​​results at the time of clear, is recorded on the terminal, it will be the ranking display. Also the net rankings correspond, you can compete in the same word. 2020 was released, super recommended in mental arithmetic app. 【rule】 Or defeat 30 bodies, after a lapse of more than 60 seconds, the game will end. Even such as when you fail to mental arithmetic in the middle, Soku, you can try again. The first problem, if you enter, and the start of the game. 【I want to do in such a person】 A game, those who want to speed the improvement of mental arithmetic While enjoying the exhilaration, those who want to speed the improvement of mental arithmetic Input is too fast, those who entered was not caught up in other apps A simple mental arithmetic practice, those who had quit Is, lovers to compete a person with mental arithmetic If you want to a mental calculation that uses a Bluetooth keyboard If you want to practice mental arithmetic on a computer 【function】 Switching of enemy strength Clear result rankings Net rankings Bluetooth keyboard support 【Various calculation】 addition subtraction multiplication 【Terms of service】 https://mathzombie.nonip.net/privacy.html 【Othe】 Mental zombies, offers a Kajinet.

About

脳内そろばん

Features
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「脳内そろばん」は、そろばん式の暗算が身につくトレーニングアプリです。 画面のそろばんを指ではじいて練習するうちに表示が少しずつ消えていき、最後は頭の中のそろばんだけで計算できるようになります。 ■ 本物のように動くそろばん ・タップやスワイプで珠が動き、連動する珠も本物と同じ動きをします ・「数を作る」「数を読む」から計算まで、基礎から順にステップアップ ・まちがえたときは、正しい珠の動きをゆっくりお手本再生 ■ イメージ暗算(5つのステップ) ・常時表示 → お手本 → 半透明 → 一瞬だけ表示 → 数字のみ ・成績に合わせて次のステップが自動で解放。難しければいつでも前のステップに戻れます ■ フラッシュ暗算 ・桁数・口数・表示スピード(最速0.3秒)を細かく設定できます ・そろばん補助表示で、途中経過を珠のイメージで追いながら練習できます ■ 1日3分の「今日のトレーニング」 ・回答の記録からにがてな分野を分析し、復習メニューを自動で組み立てます ・連続練習日数の記録と毎日のミッションで、練習が習慣になります ■ 成長が見える成績画面 ・正答率・回答スピード・能力のバランスをグラフで表示 ・「5をまたぐ計算」「繰り上がり」「繰り下がり」など、つまずきの傾向も分かります ■ 保護者向けの学習レポート ・週ごとの学習時間・正答率・分野別の成績と、声かけのヒントを確認できます ・お子さまが誤って開かないよう、保護者確認つきです ■ 続けたくなる仕掛け ・経験値とレベル、コンボ、きょうのミッション ・レベルが上がると新しいそろばんのデザインが解放されます ■ 家庭で安心して使える設計 ・アカウント登録は不要。学習データは端末とご自身の iCloud にのみ保存されます(開発者には送信されません) ・機種変更や2台目の端末でも、iCloud 経由で学習データを引き継げます ・広告なし。トラッキングもありません ・上級コンテンツの購入(買い切り1回のみ)の前には、保護者確認の画面が表示されます そろばん教室に通うお子さまの家庭練習にも、はじめてそろばんに触れる方にもお使いいただけます。

Screenshots

MathZombie!4 screens
脳内そろばん4 screens

Verdict

The call

The clearest difference is in-app purchases: MathZombie! at none against 脳内そろばん's 1. MathZombie! also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). 脳内そろばん's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 脳内そろばん sells 1 one-off in-app purchase. MathZombie! asks for nothing beyond the download.

UpkeepUpdate frequency

MathZombie! ships an update every 2 months, 脳内そろばん monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 4 level
MathZombie! versus 脳内そろばん: the parameters behind the verdict, then further details
ParameterMathZombie!脳内そろばん
PriceFreeFree
Positive reviews66.7% of reviews—
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size179 MB5 MB
Age rating9+4+
DeveloperM kajimuraRyo Sato

In-app purchases

None

MathZombie!

No in-app purchases

1 purchases

脳内そろばん

One-time1
  • プレミアム$3.99

Questions

Is MathZombie! free?
MathZombie! is free to download, with no in-app purchases.
Is 脳内そろばん free?
脳内そろばん is free to download, with in-app purchases available.
Do MathZombie! or 脳内そろばん have ads?
MathZombie! shows ads; 脳内そろばん does not.
Which is updated more often, MathZombie! or 脳内そろばん?
MathZombie! ships an update every 2 months, and 脳内そろばん monthly. Most recently, MathZombie! was updated on November 3, 2026 and 脳内そろばん on October 31, 2026.

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