漢検2級 vs MathGrid 100
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
漢検2級
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漢検2級のための漢字学習アプリです。 漢検2級レベルの漢字196個の読みと書きを全て学ぶことができます。 ・問題を解くことで学習済みのチェックマークがつくのでどの部分を学習したのか一目で確認できます。 ・高得点を取ることで金メダル、銀メダル、銅メダルを入手することができ、また、ドリルごとの点数も確認できるので得意不得意を確認できます。 ・読み、書き共に最後のまとめテストではランダムで全範囲から問題が出題されます。 ・当アプリを利用し、ぜひ学習に役立ててください。 エラーなどありましたらレビューしていただけると修正いたします。
MathGrid 100
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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
Verdict
The clearest difference is iOS requirement: 漢検2級 at 9.0 against MathGrid 100's 15.1. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
漢検2級 ships an update every 4 weeks, MathGrid 100 every 3 weeks. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.
| Parameter | 漢検2級 | MathGrid 100 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 15 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Junpei Shimotsu | Hiroyuki Ishikawa |
In-app purchases
漢検2級
No in-app purchases
MathGrid 100
No in-app purchases
Questions
Is 漢検2級 free?
Is MathGrid 100 free?
Do 漢検2級 or MathGrid 100 have ads?
Which is updated more often, 漢検2級 or MathGrid 100?
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