Any better service than data recovery gratis?

I am a database engineer. I will love to help you on this. There are lots of data recovery software that is available in the market which helps in retrieving the data from any source. Weather it is a hardware fault or the software fault. SO here I am going to give you a brief about some of the data recovery software that is available in the market:

Digital rescue premium: For this you will have to spend $49.99. It has got the features like the recover compressed files, recover encrypted files, email recovery, create image files, network recovery. It can recover files from the recycle bin, damaged files, virus or power failure, disk with bad sector, Restores from unbootable, hard drive.

Advance Disk recovery: For this you will have to spend 39.95. Its all features are same as the digital rescue premium except it does not provide the email recovery and the network recovery.

Recover my file: For this you will have to spend $69.9. It has got the all features of the Digital rescue premium with some additional features.
So these are some of the best data recovery tool that is used even by the professional to recover there software.