Japanese vs ColoredMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Japanese
Learn Japanese kanji through fun, categorized lessons. Earn stamps for completing categories and track your progress against others. Designed for beginners to master essential characters.
- Categorized kanji lessons
- Visual learning aids
- Progress tracking with stamps
- Ranking system
- Beginner-friendly approach
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Write, learn, and test your skills with Karuta! Learn first-grade Japanese kanji in a fun, rhythmic way! This app includes all 80 kanji characters taught in the first grade of Japanese elementary school. The kanji are organized into easy-to-understand groups such as Numbers, Days of the Week, and Nature. Practice writing each kanji by tracing it while listening to its pronunciation. With rhythmic background music, learning kanji becomes fun and engaging. The app offers several ways to learn: Write: Practice how to write each kanji by tracing it. Choose: Choose the correct kanji from three options based on a picture or text. Karuta: Review kanji through a fun Karuta-style game. You can also track your daily learning progress with a progress graph and see your monthly ranking. Learn a little at a time and have fun mastering all 80 first-grade kanji!
ColoredMath
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ColoredMath is a simple app allowing you to practice your calculation skills. For each skill (plus, minus, multiply, divide, or combinations thereof) you will have to go through multiple levels with increasing difficulty. Each level has 9 tasks, and you have up to 100 seconds to solve them.
Screenshots
Verdict
Japanese and ColoredMath are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.
Japanese ships an update every 8 months, ColoredMath every 6 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Japanese | ColoredMath |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 8 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | hk2006 | Sven Bergmann |
In-app purchases
Japanese
No in-app purchases
ColoredMath
No in-app purchases









