Main features
1. Simple and easy-to-use memo function
2. Cross-device with iPhone, iPad, Mac, and Apple Watch(read only)
3. Encrypt and store data in iCloud
4. Data Backup (Upgrade)
5. Data Export / Import (Upgrade)
6. Pressing the music note button will play lively background music

* When the mobile data connection is not on the primary line, please turn the mobile data OFF/ON on your iPhone to reflect it on your Apple Watch.