Kozui vs Number Beam
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Kozui
Engage in fast-paced, mind-melting puzzle challenges against a samurai. Test your reflexes and cognitive skills to see how long you can endure the escalating difficulty.
- Fast-paced puzzles
- Mind-melting challenges
- Samurai opponent
- Endurance testing
- Cognitive skill development
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See how long you can last against today's samurai as he challenges you to a range of fast paced mind-melting puzzles!
Number Beam
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NUMBER BEAM - Train Your Math Vision in 30 Seconds! Number Beam is an educational game designed to help children develop number sense and quick math skills through visual recognition. Perfect for elementary school students and fun for the whole family! HOW TO PLAY Look at two groups of objects on the screen and quickly tap the correct one based on the challenge - pick the bigger group or the smaller group! Answer as many as you can in 30 seconds. KEY FEATURES • Simple & Intuitive - No reading required, perfect for young learners • 3 Difficulty Levels - From beginner to advanced challenges • Single Player Mode - Practice at your own pace and beat your best score • 2 Player Mode - Compete head-to-head with friends and family • Achievements - Unlock badges as you improve your skills • Statistics - Track your progress with detailed score history • Multilingual - Available in 10 languages including English, Spanish, French, German, Italian, Portuguese, Japanese, Chinese, and Korean • Kid-Friendly - Colorful design with fun icons and sound effects DIFFICULTY LEVELS Easy: Numbers 1-5, "bigger" challenges only Normal: Numbers 1-10, random "bigger" or "smaller" challenges Hard: Numbers 1-20, no numbers shown - pure visual counting! EDUCATIONAL BENEFITS - Develops number sense and subitizing skills - Improves visual processing speed - Enhances quick decision-making abilities - Builds math confidence through fun gameplay - Perfect for pre-math and early arithmetic practice PERFECT FOR - Elementary school students (ages 5-9) - Parents looking for educational screen time - Teachers seeking engaging math practice tools - Families wanting fun competitive games together Download Number Beam today and watch math skills improve while having fun! No ads, no in-app purchases, just pure educational entertainment.
Screenshots
Verdict
The clearest difference is update cadence: Number Beam at weekly against Kozui's every 3 months. Kozui's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 26.1). On price, 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.
Kozui ships an update every 3 months, Number Beam weekly. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.
| Parameter | Kozui | Number Beam |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (5 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 26.1 |
| Further details — not scored | ||
| Size | 23 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Sean O'Connor | TAKAYUKI HASHIMOTO |
In-app purchases
Kozui
No in-app purchases
Number Beam
No in-app purchases






