The 1.1 version of interPhotos for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. InterPhotos for Mac relates to System Tools. The actual developer of this free software for Mac is Nektony.
From the developer:
interPhotos helps you free up space on iPhone and iPad. The application synchronizes Mac and iOS devices via their clients. However, both devices should be connected to the same Wi-Fi network. Then, you will be able to scan your device for duplicate files and remove the unnecessary files.
You may want to check out more Mac applications, such as TransparentDock, PresButan or Peek-a-Boo, which might be related to interPhotos.