| Keylogger Spy Software | NetBull | REFOG Personal Monitor | Undetectable Keylogger | |
| 4.3 | 3.1.1.1 | 8.1.6.2087 | 1.2.56 | |
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| Shareware | Shareware | Shareware | Shareware | Licence |
| $69.95 | $64.99 | $69.95 | $39.95 | Price |
| 4.10 MB | 0.05 MB | 9.23 MB | 1.25 MB | File size |
| Nov 4, 2017 | Feb 12, 2024 | Aug 7, 2014 | Mar 6, 2022 | Update |
| 30 | 63 | 22 | 17 | Downloads |
| Windows XP, Windows Vista x64, Windows 7 x32, Windows 7 x64, Win2000, Windows 2000, Windows 2003, Windows Vista, Windows Vista x64, Windows Media Center Edition 2005, Windows Vista, Windows Vista | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Win2000, WinServer, Windows Vista, Windows Vista x64, Mac OS X | Win2000, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows Vista x64, Windows XP, Other | OS |
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