| Master Key for Mac OS X | Listening-Singing-Teacher for Mac OS X | FRS Money Math for Mac OS X | Mnemosyne for Mac OS X | |
| 6.2.1 | 1.92 | 2.0 | 2.9 | |
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| Shareware | Trialware | Demo | Open Source | Licence |
| $15.00 | $49.50 | $12.95 | FREE | Price |
| 19.60 MB | 82.90 MB | 4.80 MB | 247.00 MB | File size |
| Jul 27, 2023 | Apr 24, 2019 | Jan 30, 2012 | Jun 13, 2022 | Update |
| 13 | 26 | 27 | 35 | Downloads |
| Mac OS X | Mac OS X | Mac OS X | Mac OS X | OS |
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