A free version of Chiron Fortress is available, but is does not have the full functionality of the full version. The following table shows the differences in the two versions.
| Function | Free Version | Full Version |
| Number of Encryption Keys | 1 | 2 |
| One Click Operation |  | |
| Explorer Interface | | |
| Embedded Help Files | | |
| Easy Setup | | |
| Specify Key For Encryption |  | |
| One Click File Open | | |
| Edit encrypted files | | |
