iFleck 1.0.5 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This free Mac application was originally designed by NoThinGgOeS. The software lies within System Tools, more precisely File Managers.
From the developer:
This application allows you to easily create patches for your Application, Directory, or Single File Patch. You will patch your application or file and generate a stand-alone patch for distribution. The program lets you share patched file differences in an easy manner.
You may want to check out more software for Mac, such as pdf-FieldMerge, getTunes or Creature, which might be similar to iFleck.