Comparison

MathGrid 100 vs 100ます計算ノート

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

Head to head
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.

About

100ます計算ノート

Features
Read full description

100ます計算ノートは、楽しく100マス計算に取り組めるアプリです。 ■ 3つの入力モード ・音声 — 答えを声で入力 ・手書き — 指で数字を書いて入力 ・テンキー — タップで入力 ■ 問題数は3段階 10マス・50マス・100マスから選べます。それぞれ2分を目指してステップアップしましょう。 ■ 記録と習慣化 タイムを散布図で振り返り、連続日数で毎日の習慣をサポートします。

Screenshots

MathGrid 1004 screens
100ます計算ノート3 screens

Verdict

The call

The clearest difference is in-app purchases: MathGrid 100 at none against 100ます計算ノート's 1. MathGrid 100 also leads on iOS requirement (15.1 vs 18.0). 100ます計算ノート's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads 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. 100ます計算ノート sells 1 one-off in-app purchase. MathGrid 100 asks for nothing beyond the download.

UpkeepUpdate frequency

MathGrid 100 ships an update every 3 weeks, 100ます計算ノート every 6 days. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 3 level
MathGrid 100 versus 100ます計算ノート: the parameters behind the verdict, then further details
ParameterMathGrid 100100ます計算ノート
PriceFreeFree
Update frequencyEvery 3 weeksEvery 6 days — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better18.0
Further details — not scored
Size40 MB37 MB
Age rating4+4+
DeveloperHiroyuki IshikawaYuki Taniguchi

In-app purchases

None

MathGrid 100

No in-app purchases

1 purchases

100ます計算ノート

One-time1
  • 広告を削除する$2.99

Questions

Is MathGrid 100 free?
MathGrid 100 is free to download, with no in-app purchases.
Is 100ます計算ノート free?
100ます計算ノート is free to download, with in-app purchases available.
Do MathGrid 100 or 100ます計算ノート have ads?
Both MathGrid 100 and 100ます計算ノート show ads.
Which is updated more often, MathGrid 100 or 100ます計算ノート?
MathGrid 100 ships an update every 3 weeks, and 100ます計算ノート every 6 days. Most recently, MathGrid 100 was updated on September 19, 2026 and 100ます計算ノート on September 9, 2026.

Other comparisons