Name of App: a2z Pro



Price: FREE

Compatibility to iPhone/iPod Touch: Both

Your own personal description of this App: A tool that do all the conversion especially currency conversion.

Pros:
1. It's FREE.
2. User-friendly interface.
2. 154 currencies rate and live update of the rates from Yahoo (thru Wifi I supposed).
3. Able to download categories which is not included in the application.
4. Create your OWN categories for units that are not available in the database.
5. Upload and share your newly created category with other user.

Cons:
Hmm, I didn't manage to find any cons yet. LOL

Personal User Rating: 10/10

Conclusion: A very impressive FREE app.