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.
Control video or photo capture, preview live feed, browse and download files, adjust recorder settings, plan routes, track paths, and take location photos. Connect via WiFi from iPhone or iPad. Share photos on social media and make instant calls.
The app sings the sheep counting song in a gentle voice to help users fall asleep. It supports custom text, multiple languages, and background playback for counting.
![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)
