| Mz Registry Optimizer | WinASO Registry Optimizer | Aiseesoft Registry Optimizer | Mz 7 Optimizer | |
| 3.1.0 | 4.8.6 | 3.1.16 | 1.1.0 | |
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| Freeware | Shareware | Shareware | Freeware | Licence |
| FREE | $29.95 | $24.95 | FREE | Price |
| 1.20 MB | 7.64 MB | 10.50 MB | 2.16 MB | File size |
| Dec 19, 2010 | Jun 3, 2014 | Aug 21, 2010 | Dec 19, 2010 | Update |
| 58 | 32 | 41 | 56 | Downloads |
| Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64 | Windows XP, Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, Win2000, Windows 2000, Windows Vista, Windows Vista x64, Windows Vista, Windows Vista | Windows XP | Windows 7, Windows 7 x64 | OS |
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