Helium - App Sync and Backup is described as 'Helium is the missing app sync and backup solution for Android. Helium does NOT require root. All Android users can use Helium to backup and sync Android applications'. There are more than 10 alternatives to Helium - App Sync and Backup for a variety of platforms, including Android, iPhone, Android Tablet, Windows and Mac. The best alternative is Titanium Backup, which is free. Other great apps like Helium - App Sync and Backup are Degoo (Freemium), oandbackup (Free, Open Source), OAndBackupX (Free, Open Source) and Seedvault (Free, Open Source).
Make backups of selected apps on your device and restore from those backups. oandbackup enables you to save app data to a user-accessible location. Both backup / restore of single apps and of multiple apps are supported.
oandbackup vs Helium - App Sync and Backup opinions
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Helium allows file transfers on non-rooted phones, this app requires a rooted phone.
Features • Free • Android backup & restore • Included with LineageOS 17.1+ • Optionally store your backups into NextCloud • Backup application data to a flash drive. • Restore application data from a flash drive.
SyncDroid Android Manager has both Android app, as well as Windows PC client. With Android app, you can simply backup and restore Android to and from SD card or Dropbox. And with the help of the desktop client, you can backup data to your PC.
Apps2SD is an application manager that enables Android 2.3+ users to move/link applications to external SD card. Using Apps2SD you can easily manage installed applications and their storage on your device. Apps2SD has an inbuilt partition tool to partition the SD card.
SyncMate syncs data on Mac with Android and iOS devices, Windows services (Outlook, Office 365 Business and Office 365 Home accounts), other Macs, Google, Dropbox and iCloud accounts, any mounted storage devices, MTP devices.