| USB Drive Backup | BestSync Portable x64 | Zback | BestSync Portable | |
| 3.0 | 2024 (19.0.1.5) | 2.90.0.a | 2024 (19.0.1.5) | |
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| Freeware | Trialware | Freeware | Trialware | Licence |
| FREE | $19.95 | FREE | $19.95 | Price |
| 1.63 MB | 15.20 MB | 0.93 MB | 11.50 MB | File size |
| Dec 7, 2021 | Jun 23, 2024 | Nov 29, 2019 | Jun 23, 2024 | Update |
| 61 | 79 | 37 | 61 | Downloads |
| Windows 7 x32, Windows 7 x64, WinServer, Windows Vista, Windows Vista x64, Windows XP, Win11, Win10, Win8 | Windows Vista x64, Windows 7 x64, Windows 8 x64, Windows 10 x64, Windows 11 | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10, Windows 11 | OS |
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