That's how to do:
Load allThings - lite version. Have a look at it and if you like the app, write a short review about it in the app store. First 25 reviewers get the paid full version of allThings for free. In order to receive one of these 25 coupons send an email to firstname.lastname@example.org after having written a review.
Importing your data from lite version into your free copy of allThings is quite simple. Read more about it here.
Find out about many new features in full version.