Remo Duplicate Photos Remover free version and full version are same i.e. free edition is technically same as the full version (with few constraints).
A free trial version of Remo Duplicate Photos Remover allows you to delete nearly 15 duplicate photos. This is to help yourself in judging the competence of the tool. While a Pro (full) version allows you to find and delete an unlimited number of duplicate photos.
An easy upgrade procedure is available with the free version; thus, you can purchase the software to make use of its advanced features.
This full version access is subscription based and you can use it up to 6 months after the purchase. And, subscription needs to be renewed once in 6 months.
How to Upgrade from Free Version to Full Version?
Step 1: Click on Register button.
Step 2: Using Buy Now link, purchase the software and get your activation code.
Step 3: Click on Enter the License Key button.
Step 4: Enter the license key in the empty box and Activate the software to avail full access.