Listen to audiobooks with purchased content playback and access to a selection of exclusive titles. View book illustrations, adjust playback speed, and search the library.
Anonymous phone chat allows users to communicate with others through text messages and timeline posts. Users can create profiles, view profiles, and initiate conversations.
Read manga offline with no internet connection. Access a variety of manga titles including special collections like "Dominator Men" and "Mega-Glasses Men." Earn tickets and points instantly without time limits.
The app displays holidays, Rokuyo, moon phases, and solar terms. Users can add photos and memos to events, making it useful for scheduling and personal journaling.
Create and manage shared checklists with multiple users. Add tasks, set due dates, and mark items as complete. Customize themes with dark mode support. Access premium features without ads by linking a phone number. Backup data automatically.
![checka! [チェッカ] app icon](https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/c2/50/42/c250427f-4c3c-2f73-f466-6131ff29c3f6/AppIcon-0-0-1x_U007emarketing-0-7-0-85-220.png/512x512bb.jpg)