100+ iOS apps & games curated and reviewed
Out of 100+ kohei yasui apps and games on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (400) | Yes | No | Aug 2026 |
| 2 |  | Free | 1.9★ (7) | Yes | No | May 2026 |
| 3 |  | Free | 4.5★ (394) | Yes | Yes | May 2026 |
| 4 |  | Free | 4.3★ (156) | No | Yes | May 2026 |
| 5 |  | Free | 4.3★ (1.9K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (17) | Yes | Yes | May 2026 |
| 7 |  | Free | 3.2★ (98) | No | Yes | Aug 2026 |
| 8 |  | Free | — | Yes | Yes | May 2026 |
Record audio in high-fidelity PCM or compressed AAC formats. This app offers background recording, customizable sampling rates, and playback controls. Easily manage and share your recordings, with options to convert formats and recover deleted files.
Easily create music notation from your humming. This app converts vocal melodies into MIDI files, even if you have no musical training. It automatically transposes to C major for beautiful scoring.
Immerse yourself in a vast collection of voice recordings from popular voice actors, designed to be experienced with headphones for maximum impact. Explore over 4000 unique audio scenarios featuring various character archetypes and enjoy the free content offered.
Engage in a unique physics-based fighting game where legless robots battle using only their arms. The objective is to topple your opponent while avoiding disqualification by touching the ground with anything other than your arms. Enjoy various modes including AI matches, training, and real-time multiplayer.
Help overweight wrestlers and boxers shed pounds through exercise and diet. Guide characters through workouts like running, jump roping, and weightlifting to achieve fitness goals. Progress through different characters as they get in shape.
This app offers a fun and customizable way to take notes with an SNS-style interface. Personalize your notepad with unique icons and theme colors for a fresh experience. It's designed for ease of use and to add enjoyment to your daily memo-taking.
Experience a 3D physics-based fighting simulation where the goal is to knock over opponents or push them out of the ring. Enjoy matches against AI or a friend on a shared screen, and watch humorous post-match animations. Explore 32 diverse maps and discover hidden elements.
Train like a sumo wrestler, strategize for intense matches, and compete in tournaments to become Grand Yokozuna. Customize your character with skins and collect pets. Engage in minigames for a varied experience.
Collect coins to feed adorable Koi carps and watch them grow. Navigate obstacles, customize your pond, and unlock premium Koi varieties. A relaxing game of growth and collection.
Explore a mysterious, distortion-filled shrine by observing, remembering, and judging the scenery. Make correct decisions based on your memory to progress through changing situations and find a way out. This fan-made adventure offers short play sessions and a unique gameplay loop.
Read online novels comfortably on your iPhone or iPod Touch, even without an internet connection. Customize text, track reading progress, and organize your library with folders. Extract and download novels from various websites.
This app is a video player for YouTube radio rebroadcast content. It allows users to select and arrange their favorite channels, with features like continuous playback, shuffle, repeat, and a sleep timer. It also includes ranking functions to discover popular and trending videos.
Open a restaurant to feed hungry sumo wrestlers and attract a unique cast of characters. Decorate and expand your establishment to unlock story scenes and learn about sumo culture. This idle game offers charming visuals and addictive gameplay.
Build a high school baseball team with unique player lineups to compete in Koshien. This simulation game lets you strategize player order and aim for the championship.
Engage in a unique tap-based sumo wrestling game that recreates paper sumo on your smartphone. Designed for fun and enjoyment by both adults and children, aim to become the ultimate YOKOZUNA.
Help a busy school nurse by tapping on students who approach him. This simple tap-based game offers a straightforward and engaging experience for players looking for quick fun.
Stay updated with sumo tournaments worldwide. Access schedules, venues, daily highlight replays, and banzuke rankings. Never miss a bout with this essential fan companion.
