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AOMEI Backupper vs O&O DiskImage: catalog facts
AOMEI Backupper	O&O DiskImage
Freemium The Standard edition is free. Professional and higher editions are paid.	Paid Commercial software sold by O&O Software, with a separate Enterprise edition for…
Windows	Windows
System, disk, partition and file backup with a bootable rescue disc Free edition includes scheduled incremental and differential jobs	Full system images as well as file and folder backups Aimed at recovery after ransomware, disk failure or a crash
Real-time sync, event triggers and dissimilar-hardware restore are paid Windows only, closed source	Windows only Paid, closed-source software
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.