簡約マスター vs Fast100Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
簡約マスター
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【アプリの特徴】 ● 分数の簡約 分数を入力するだけで、自動的に最も簡単な形に簡約します。 ● 途中式付き 分子と分母の素因数分解を表示し、どのように簡約されるかを視覚的に理解できます。 計算過程が一目でわかるから、学習にも最適。 ● 使いやすいインターフェース シンプルで見やすいデザイン。 誰でも直感的に操作できるから、子供から大人まで幅広く利用できます。 ● 教育ツールとしての活用 数学の授業や自主学習での使用に最適。 分数の簡約と素因数分解の理解を助けるツールとして活用できます。
Fast100Math
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Have Fun Training Your Brain with the 100-Masu Calculation App! A simple yet profound app that everyone can enjoy! Improve your calculation skills while customizing your experience to match your style. ■Flexible Calculation Modes Supports addition, subtraction, and multiplication from single-digit to double-digit numbers. Choose your preferred difficulty, from 25 to 100 grids! ■Compete on the Global Leaderboard Challenge users worldwide and compete for the highest score! Aim for the top with your 10 × 10 records. ■Various Input Methods Supports voice and handwriting inputs. Choose the method that suits you best. ■Customizable Appearance Personalize your app by adjusting background colors, text colors, and fonts. Create your very own design and enjoy! ■Accessibility Features With VoiceOver support, you can solve math problems using audio assistance without relying on visuals. Step into the world of brain training! Boost your scores with 100-Masu calculations and aim for the top of the global leaderboard. Experience the joy of improving your calculation skills today!
Screenshots
Verdict
簡約マスター and Fast100Math are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | 簡約マスター | Fast100Math |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 0 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Mao Hatano | makoto amijima |
In-app purchases
簡約マスター
No in-app purchases
Fast100Math
No in-app purchases





