1. Which version should I choose?

The only difference is that the MP3 version also includes an audio format for iPods/MP3 players so you can learn while doing something else.

2. Can I use the course on more than one device.

Yes you can use it on up to four devices.

3. Can I use it on my smart phone/ iPad/ Tablet etc..?

Yes. However you need to transfer the videos after downloading to your computer.

4. Do I have to pay to renew?

No. The course is yours once downloaded.