The best way to keep your iStudiez Pro data safe is to create iStudiez Pro data backup.

Please do the following to create iStudiez Pro data backup:
- on Android:
Go to iStudiez Pro > Settings > Data Managing > Send Data Backup

- on Windows:
Go to iStudiez Pro > Settings > Data Managing > Create Data Backup

- on iOS:
Go to iStudiez Pro > Today > tap "Gear" button > Data Managing > Send Data Backup

- on macOS:
Go to iStudiez Pro > Data > Create Data Backup.