Comparison

スピード九九 vs Math Brain

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

Head to head
About

スピード九九

Features
Read full description

スピード九九アプリご紹介 スピード九九 インドをIT強国に導いたのは数学教育の力で、あらゆる数学の基本は算数といえます。 九九をなるべく早めに覚えていると四則計算における数の誠実と構造についてもより簡単に学習できます。 その上に九九をなるべく早めに覚えていると幼い時から数にすぐなじめるだけでなく、数に対する自身感までも得ることができます。 さらに小学生の数学では算数が50%以上を占めてあるので。九九の先行学習は小学生時代の子どもだちにとって、もっとも重要な意味を持つのだと言えるでしょう。 スピード九九は九九ソング、九九ゲーム、チャートに構成されていて、 誰もが簡単に九九に自身をつけることがだけでなく、暗記を嫌がる子供だちも九九ソング、九九ゲームと一緒に楽しくおぼえます。 連続表示機能で便利に繰り返し学習ができます。 スピード九九で掛け算の原理と概念を効果的に学びましょう。 3~10才の子供なら誰でも学習できるスピード九九!! 今~すぐ始めましょう。 スピード九九の構成 九九ソング: 九九を面白い歌とアニメーションで学習します。 チャート: 2~9段の九九表でひと目で分かります。 九九ゲーム :‘製パン工場のパンマエ先生’というミニゲームで、九九を楽しく覚えます。 ゲームスコア: ‘製パン工場のパンマエ先生’のゲームで獲得した点数を確認できます。 決済情報 一度決済すれば当該ID(Apple ID)で永久的にフルバージョンがご利用できます。 また、最初決済以後には再決済を行っても重複決済になりません。 (※さまざまな理由でアプリケーションが削除され、アプリケーションを再インストールする場合、‘フルバージョン購入’のボタンが表示されます。しかし、決済を行う場合にはもう決済された会員で表示されますので、重複決済になりません。)

About

Math Brain

This app offers a fun, game-like approach to mastering basic arithmetic. Users can practice addition, subtraction, and multiplication by handwriting answers in interactive grids. Track your progress, compete with others globally, and improve math skills through intuitive gameplay.

Highlights
  • Handwritten math input
  • Daily progress charts
  • Global user rankings
  • Competitive mode
  • Multiple game modes (5x5, 10x10)
  • Addition, subtraction, multiplication practice
Features
Read full description

Math Brain is a handwriting math workout app. Write your answers directly on the screen — the AI recognizes your handwriting and grades you instantly, just like a paper drill. Train every day with four game modes and a Daily Challenge, from kids practicing arithmetic to adults keeping their brain sharp. GAME MODES - Grid Math (5x5 / 10x10 "hundred square"): addition, subtraction, multiplication (times tables) - Fill-in Math: find the missing number in the equation - Letter Math: crack the digits hidden behind letters (cryptarithm) - Number Mystery: guess the 2-digit number from clues DAILY CHALLENGE Ten fresh questions every day, one attempt per day. Compete on the daily leaderboard, track your Brain Power score, and review your history on the calendar. RECORDS & BATTLES - Your times are charted so you can see yourself getting faster - Battle mode: race against the records of players worldwide GREAT FOR - Kids practicing addition, subtraction and multiplication - Students and adults building mental math speed - Anyone who wants a quick daily brain workout

Screenshots

スピード九九4 screens
Math Brain3 screens

Verdict

The call

The clearest difference is in-app purchases: Math Brain at none against スピード九九's 1. Math Brain also leads on update cadence (weekly vs every 39 months). スピード九九's advantage is ads (none vs shown) and iOS requirement (6.0 vs 13.0). On price and device support 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. スピード九九 sells 1 one-off in-app purchase. Math Brain asks for nothing beyond the download.

UpkeepUpdate frequency

スピード九九 ships an update every 39 months, Math Brain weekly. The most recent releases landed on May 15, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 5 level
スピード九九 versus Math Brain: the parameters behind the verdict, then further details
Parameterスピード九九Math Brain
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 39 monthsWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS6.0 — better13.0
Further details — not scored
Size46 MB82 MB
Age rating4+9+
DeveloperFamilyschool Co., Ltd.Ryuichi Aida

In-app purchases

1 purchases

スピード九九

One-time1
  • FullVersion$3.99
None

Math Brain

No in-app purchases

Questions

Is スピード九九 free?
スピード九九 is free to download, with in-app purchases available.
Is Math Brain free?
Math Brain is free to download, with no in-app purchases.
Do スピード九九 or Math Brain have ads?
Math Brain shows ads; スピード九九 does not.
Which is updated more often, スピード九九 or Math Brain?
スピード九九 ships an update every 39 months, and Math Brain weekly. Most recently, スピード九九 was updated on May 15, 2026 and Math Brain on September 10, 2026.

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