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.



152+ iOS apps & games curated and reviewed
If you already know BUNKAI, this is the deeper bench. 152+ bunkai apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (2) | Yes | No | May 2026 | |
| 2 | Free | — | No | No | Aug 2026 | |
| 3 | Free | 5.0★ (8) | Yes | Yes | Jul 2026 | |
| 4 | Free | 4.9★ (120) | No | Yes | May 2026 | |
| 5 | Free | — | No | No | May 2026 | |
| 6 | Free | — | — | No | May 2026 | |
| 7 | $4.99 | — | No | No | Jul 2026 | |
| 8 | Free | 5.0★ (1) | No | Yes | Aug 2026 |



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.



Access club workouts, track your body composition, and view exercise tutorials. Syncs with HealthKit for seamless data sharing. Offers free access to potential users.


Learn Shotokan Karate from beginner to Black Belt with detailed video tutorials, live classes, and online rank testing. Access a supportive community and instructor training programs. Suitable for home practice or supplementing dojo training.


Access over 900 hours of bunkai video content, exclusive drills, and weekly updates. Track your practice with a training log, compete on leaderboards, and listen to a dedicated podcast. Earn digital badges for seminar participation.




Learn Japanese Hiragana, Katakana, and vocabulary through interactive exercises and a spaced repetition system. This app focuses on active recall rather than multiple-choice questions to enhance memorization and retention.




Access digital editions of magazines and books focused on Japanese martial arts. Explore practical, philosophical, and historical aspects of disciplines like kendo, karate, and judo. Purchase individual issues to delve into specific content.


Easily navigate Kyoto's public bus system. Find bus stops near your current location or popular landmarks, and view their positions on a map. Supports Kyoto City Bus and Kyoto Bus services.


Discover and share your "third place" – a comfortable spot outside of home, school, or work. Connect with others by sharing photos and videos of your favorite locations, fostering new friendships and exploring different perspectives.


Experience Kenji Miyazawa's world through an interactive snow globe. Touch colorful stars to read excerpts of his works and enjoy original music inspired by his compositions. Immerse yourself in the beauty of the night sky.




Master Japanese Katakana characters with engaging lessons and word reading challenges. This app provides an easy and memorable way to practice and learn the basic Katakana script, perfect for beginners starting their Japanese language journey.


Search for a wide range of real estate properties, including new and used apartments, houses, and land. Filter by commute time, orientation, and desired floor level. Contact real estate companies directly for inquiries.






Discover thousands of meticulously selected spots across Japan for campervan, car, motorbike, or bicycle exploration. Find places to sleep, bathe, enjoy outdoor activities, visit attractions, and dine.


Share your moments of happiness, big or small, through photos, videos, and stories. Connect with others who value positivity, find inspiration, and spread joy. Build meaningful connections and enhance your own well-being by sharing and experiencing happiness.




This app tests your mahjong knowledge with questions designed to improve your judgment and strategic thinking. It's developed by STUDIO RISSEN, known for its mahjong-related applications.