When comparing HTC Gallery vs Aperture, the Slant community recommends HTC Gallery for most people. In the question“What are the best Android gallery apps?” HTC Gallery is ranked 4th while Aperture is ranked 14th. The most important reason people chose HTC Gallery is:
HTC Gallery comes bundled with image filters that allow the user to add image effects to their images. Functions similar to Instagram filters.
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Pros
Pro Built-in image filters
HTC Gallery comes bundled with image filters that allow the user to add image effects to their images. Functions similar to Instagram filters.
Pro Offers interesting image effects
The app allows creating blended, kaleidoscopic or masked images.
Pro Free and open source
Aperture is licensed under GPLv3 with source code available on GitHub.
Pro Good looking Material Design UI
Makes for a pretty UI. Also, makes the app consistent with UI guidelines laid out by Google, and as a result consistent with many other apps.
Cons
Con No option to exclude folders
Con May be abandoned
According to homepage the app is no longer supported or updated. What has been available is often buggy, laggy and missing features, as it never got out of beta.