59+ iOS apps & games curated and reviewed
The best koya ito apps and games on iPhone average 4.3★ across 59+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (3) | Yes | Yes | May 2026 |
| 2 |  | Free | — | No | Yes | May 2026 |
| 3 |  | $1.99 | — | No | No | Jul 2026 |
| 4 |  | Free | 5.0★ (5) | No | No | May 2026 |
| 5 |  | Free | 5.0★ (2) | No | Yes | Jun 2026 |
| 6 |  | Free | 4.0★ (2) | Yes | No | Jul 2026 |
| 7 |  | Free | — | No | No | Jul 2026 |
| 8 |  | Free | — | Yes | Yes | Jun 2026 |
Engage in a destructive simulation where you can break windows, desks, and more within a school environment. Gather materials to craft weapons and armor, enhancing your strength to cause greater destruction.
An interactive game and guide for exploring Japan's Kōyasan. Discover historical sites with detailed descriptions and engage in 12 location-triggered challenges to deepen your understanding of this sacred destination.
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 helps you expand your karaoke repertoire with background playback and practice tools. Discover new hits, create playlists, and even find vocal-less tracks to improve your singing.
This app aggregates news, guides, videos, and forums for a popular online role-playing game. It offers features like continuous video playback, customizable menus, and ranking functions to help users find information quickly.
This app aggregates all the latest news, guides, videos, and forum discussions for KOF98 UM OL. It features customizable menus, ranking functions, and video playback options for a comprehensive fan experience.
A unique rhythm game inspired by cuckoo clocks. Tap along with the clock hands to hit markers and pop-up cuckoos. Collect and share songs with friends, and customize your fairy companions with items that boost their abilities.
Create deeply customizable AI characters with on-device memory and local LLM support. Generate images and video within chats, explore branching storylines, and enjoy voice conversations. Offers extensive customization for writers and worldbuilders.
Access real-time river conditions and weather forecasts across Japan. View over 10,000 river locations on a map and check detailed precipitation, temperature, and snow data. Stay informed about weather changes to prepare for heavy rain and other natural events.
Display a simple annual calendar directly on your iPhone's home screen as a widget. Customize the view to show 12, 6, 4, or 3 months. A premium plan offers design customization options.