BUNKAI vs SpotMaster
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
BUNKAI
A brain-training puzzle game where players break down numbers until they reach one. It uses prime factorization to defeat monsters, making learning math fun and engaging. Enjoy a simple yet addictive experience that boosts your calculation skills.
- Number decomposition puzzles
- Prime factorization mechanics
- Monster-battling gameplay
- Calculation skill training
- Simple tap controls
- Addictive brain training
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１になるまで数字を分解しよう！ ゲームしながら楽しく計算力が鍛えられる！ 「BUNKAI」はシンプルでハマり度120%の脳トレゲームです。 操作方法はタップするだけ。 遊べば遊ぶほど脳が活性化されます。 素因数分解を駆使してモンスターをぶっ飛ばせ！
SpotMaster
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In each level, you’ll see four hint characters. Three of them can combine with the correct answer character to form valid words, but one of them is a "fake"—a word that can't pair up with the answer. Your mission is to find the right answer character, fill it in, and successfully form three correct words. Game Features: Levels range from simple to challenging, perfect for all players Over 1,000 meticulously crafted challenges, offering endless fun Clean and intuitive interface focused on pure word-solving enjoyment Spot the fake character, unlock the right combinations, and sharpen your language skills Whether you’re looking to unwind or put your linguistic logic to the test, "Word Builder" has something for everyone. Download now and see how many levels you can conquer!
Screenshots
Verdict
The clearest difference is in-app purchases: BUNKAI at none against SpotMaster's 5. BUNKAI also leads on update cadence (every 2 months vs every 11 months) and iOS requirement (11.0 vs 15.0). On price, ads and device support 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. SpotMaster sells 5 one-off in-app purchases. BUNKAI asks for nothing beyond the download.
BUNKAI ships an update every 2 months, SpotMaster every 11 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.
| Parameter | BUNKAI | SpotMaster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 12.5% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 11 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 114 MB | 207 MB |
| Age rating | 17+ | 4+ |
| Developer | ZERONE | 73ers |
In-app purchases
BUNKAI
No in-app purchases
SpotMaster
- Starter Pack$1.99
- Remove Ads$4.99
- Explorer Pack$8.99
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- Master Pack$24.99
- Legend Pack$59.99
