What is the difference Between Volvo Premium Tech Tool PTT 2.04.87(SS167-E and SS167-F)?

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What is the difference Between Volvo Premium Tech Tool PTT 2.04.87(SS167-E and SS167-F)?
SS167-F including all the function of SS167-E;
SS167-F can do Version 3 and Version 4(new car models), SS167-E just can do Version 2(old car models);
SS167-F also including all these software:
1. Dev2tool (for programming parameters version 2 – older trucks)
2. Developer tool Plus(Acpi+) (for programming parameters version 3 and 4 – newer trucks)
3. Visfeed + Xml Editor
4. Volvo/ IS File Encryptor/Decryptor
5. Volvo Traing Files (Flash, PDF,Video) 3GB

If you want to do CE, need to pay fees to activate it.