Gemini for Mac has been revamped, and version 2.0 brings in a ton of improvements that may make it a must-have app. The app, which finds duplicate files on your computer and deletes one (or more!) of them can now spot similar files as well. For instance, two iterative Pages documents of a report you’re working on may not be necessary — but they aren’t identical, either. Gemini 2 also uses 10 different parameters to identify duplicates and similarities between files, and works with iTunes and Photos to discover that you may have songs or photos saved in multiple spots.…

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