43+ iOS apps & games curated and reviewed
Whether you're new to koichi otera or looking for an upgrade, our curated collection of 43+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
Easily adjust the dimensions and orientation of your images. Select from predefined sizes or customize your own, crop to any specification, and rotate or straighten your photos with precision. Save your edited images directly to your device's photo album.
Easily crop your photos into custom shapes like stars and hearts. Enhance your images with borders and drop shadows before saving or sharing. Ideal for creating unique social media icons and photo editing materials.
Easily resize, crop, and rotate multiple photos simultaneously. Save edited images directly to your camera roll, email, or cloud storage. Customize resize settings and manage your photo library efficiently.
Easily resize, crop, and adjust the orientation of your photos. Choose from preset sizes or customize dimensions, and preview changes before saving.
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.
Observe and identify over 100 Japanese bird species in a relaxing game. Tap birds to fill your field guide with robins, flycatchers, and even alien species. Enjoy simple gameplay with no complicated actions required.
Practice reading musical scores with this app. It displays random notes and offers customizable notation options. Ideal for anyone wanting to improve their music reading skills.
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.
Experience a free, animated webcomic filled with excitement, laughter, love, adventure, and battle. Follow the story of "gear," a boy who changes the tide of war between two empires. This comic is praised for its compelling story, stunning artwork, and accessibility to all readers.
Track and analyze your pachinko and pachislot earnings with detailed input and cloud syncing. Compare your performance with other users nationwide and utilize data to improve your win rate. Available across multiple devices.
Visualize the relative strength of various financial assets like forex, stocks, and crypto. This app provides a consolidated view of market movements for quick understanding.
