Comparison

算数100ます vs 百Math

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

Head to head
About

算数100ます

Features
Read full description

教育機関への導入実績あり!教育用ソフトウェアの老舗「がくげい」がおくる、計算練習アプリの決定版がついに登場! 子供の学年/学力/利き手に合わせて調節可能。快適にプレイできます。 さらに正解率表・ランキング・グラフなど、多彩な学習履歴でやる気を引き出します。 無料でかけ算/25マスモードが体験できますので是非一度お試し下さい。 【注意】当アプリはアプリ内課金機能を使用しております。 ダウンロード直後は計算ゲームにてかけ算/25マスモードが利用でき、 アプリ内でアップグレードを購入していただくことで、たし算/ひき算および100マスモードが利用できるようになります。 ●たし算、ひき算、かけ算を収録   1桁どうしの足し算、10~20から一桁のひき算、0段及び九九のかけ算が選択できます。 ●間違えたマス数に応じたペナルティタイム制度を導入   記録を更新するために、早さだけでなく「確実さ」も身に付くこと間違いなし! ●ますの数(100/25)、漢字表記の切り替え(低/中/高学年)、数字パネルの位置(左/右)が選択可能   子どもに合わせて快適にプレイできるよう調整できます。 ●正解率表、ランキング、成績グラフを搭載   色分けされ苦手な式が一目で分かる正解率表、早さと確実さを求められるランキング、そして直近100回分を表示可能な成績グラフ機能があります。子どもの弱点や傾向の把握に御利用頂けます。

About

百Math

This app helps users improve their mental arithmetic skills through a 100-problem calculation trainer. It offers various modes, progress tracking, and a global leaderboard to encourage practice and competition. A clean design and home screen widget provide convenient access.

Highlights
  • 100-problem calculation trainer
  • Addition, Subtraction, Multiplication, Division modes
  • Progress tracking (streak, average time, charts)
  • Global ranking system
  • Distraction-free design
  • Home screen widget
Features
Read full description

When did you last do mental math without reaching for your phone? 百Math was built by an engineer who realized he had become too dependent on calculators and AI to do even simple arithmetic. This app is his answer — and maybe yours too. Trusted by users for 5 years, 百Math is a no-frills 100-problem calculation trainer. Solve all 100 as fast as you can, track your progress, and compete on the global leaderboard. 【Key Features】 ・4 Modes: Addition, Subtraction, Multiplication, and Division ・Schulte Table — a visual search game that sharpens your peripheral vision and focus ・Gorbov Table — an advanced Schulte Table rule where you alternate between ascending red numbers and descending black numbers ・Flash Calculation — a new mode that trains your instant recall ・Ghost Race — compete against your personal best ・Heatmap to spot your weak spots ・Clean, distraction-free design ・Global ranking system ・Streak counter, average time, and time chart to track improvement ・Home screen widget for quick access

Screenshots

算数100ます4 screens
百Math4 screens

Verdict

The call

The clearest difference is in-app purchases: 百Math at none against 算数100ます's 1. 百Math also leads on update cadence (every 9 days vs every 6 weeks). 算数100ます's advantage is ads (none vs shown) and iOS requirement (9.0 vs 26.0). 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. 算数100ます sells 1 one-off in-app purchase. 百Math asks for nothing beyond the download.

UpkeepUpdate frequency

算数100ます ships an update every 6 weeks, 百Math every 9 days. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 4 level
算数100ます versus 百Math: the parameters behind the verdict, then further details
Parameter算数100ます百Math
PriceFreeFree
Positive reviews—50.0% of reviews
Update frequencyEvery 6 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better26.0
Further details — not scored
Size46 MB18 MB
Age rating4+4+
Developerがくげいnaoya saito

In-app purchases

1 purchases

算数100ます

One-time1
  • アップグレード$3.99
None

百Math

No in-app purchases

Questions

Is 算数100ます free?
算数100ます is free to download, with in-app purchases available.
Is 百Math free?
百Math is free to download, with no in-app purchases.
Do 算数100ます or 百Math have ads?
百Math shows ads; 算数100ます does not.
Which is updated more often, 算数100ます or 百Math?
算数100ます ships an update every 6 weeks, and 百Math every 9 days. Most recently, 算数100ます was updated on October 8, 2026 and 百Math on October 2, 2026.

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