Comparison

算数100ます vs MathGrid 100

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
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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

MathGrid 100

Features
Read full description

MathGrid 100 — Photo-graded math drills for daily mental math practice. Known in Japan as "Hyakumasu Keisan" (百マス計算 / 100-square calculation), this classic drill is a proven method for building mental math fluency, recommended by Japanese educators such as Hideo Kageyama. MathGrid 100 brings this method to your iPhone with AI-powered photo grading: just snap a picture of the completed worksheet and get an instant score. 【Features】 * Camera-based instant grading — no typing required * Supports addition and multiplication * 9×9 (multiplication) and 10×10 grids * Review and manually edit each cell if needed * Saves up to 20 sessions in history * Points, levels, and badges to keep kids motivated * Daily streak tracking * Up to 4 separate child profiles with individual progress 【Great for】 * Parents tired of manually grading drill sheets * Tracking your child's daily practice * Gamifying repetitive practice to keep kids engaged * Supplementing Kumon, abacus class, or other math curricula ※ Internet connection required (handwriting recognition runs in the cloud). ※ This app shows a persistent banner ad and an interstitial ad after every few gradings.

Screenshots

算数100ます4 screens
MathGrid 1004 screens

Verdict

The call

The clearest difference is in-app purchases: MathGrid 100 at none against 算数100ます's 1. 算数100ます's advantage is ads (none vs shown) and iOS requirement (9.0 vs 15.1). On price, update cadence 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. MathGrid 100 asks for nothing beyond the download.

UpkeepUpdate frequency

算数100ます ships an update every 6 weeks, MathGrid 100 every 3 weeks. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 3 level
算数100ます versus MathGrid 100: the parameters behind the verdict, then further details
Parameter算数100ますMathGrid 100
PriceFreeFree
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better15.1
Further details — not scored
Size46 MB40 MB
Age rating4+4+
DeveloperがくげいHiroyuki Ishikawa

In-app purchases

1 purchases

算数100ます

One-time1
  • アップグレード$3.99
None

MathGrid 100

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 MathGrid 100 free?
MathGrid 100 is free to download, with no in-app purchases.
Do 算数100ます or MathGrid 100 have ads?
MathGrid 100 shows ads; 算数100ます does not.
Which is updated more often, 算数100ます or MathGrid 100?
算数100ます ships an update every 6 weeks, and MathGrid 100 every 3 weeks. Most recently, 算数100ます was updated on October 8, 2026 and MathGrid 100 on October 10, 2026.

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