| PenProtect | USB Flash Security | USB Safeguard | USB Lockit | |
| 1.45 | 5.0.0 | 8.3.1 | 2.8 | |
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| Demo | Freeware | Shareware | Freeware | Licence |
| $19.00 | FREE | $21.00 | FREE | Price |
| 1.81 MB | 7.88 MB | 0.53 MB | 0.01 MB | File size |
| Nov 12, 2008 | Dec 8, 2021 | Sep 16, 2021 | Dec 9, 2021 | Update |
| 47 | 37 | 55 | 34 | Downloads |
| Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows Vista x64, Windows Vista | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | OS |
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