Comparison

MathGrid 100 vs Divio

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

Divio

Features
Read full description

Divio は、筆算のわり算を一歩ずつ練習するための子ども向けアプリです。 筆算のレイアウトを画面に表示し、現在入力する手順をハイライトしながら、順番どおりに答えを入力していきます。多桁のわり算を、流れを確認しながら練習したい子どもに向けて設計しています。 主な機能: - 筆算のわり算を手順ごとにガイド - 商、かけ算、引き算、下ろす手順の入力 - 間違えた問題の復習 - 子どもごとのローカルプロフィール - 全問正解した最も高いステージに基づくレベル表示 - 任意のローカルリマインダー - 日本語と英語の表示切り替え Divio はアカウント登録なしで使えます。初回リリースでは、学習記録とプロフィールデータは端末内に保存されます。

Screenshots

MathGrid 1004 screens
Divio4 screens

Verdict

The call

The clearest difference is ads: Divio at none against MathGrid 100's shown. On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level
MathGrid 100 versus Divio: the parameters behind the verdict, then further details
ParameterMathGrid 100Divio
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.1
Further details — not scored
Size40 MB50 MB
Age rating4+4+
DeveloperHiroyuki IshikawaYu Takahashi

In-app purchases

None

MathGrid 100

No in-app purchases

None

Divio

No in-app purchases

Questions

Is MathGrid 100 free?
MathGrid 100 is free to download, with no in-app purchases.
Is Divio free?
Divio is free to download, with no in-app purchases.
Do MathGrid 100 or Divio have ads?
MathGrid 100 shows ads; Divio does not.

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