When comparing Wally vs Sliding Explorer, the Slant community recommends Sliding Explorer for most people. In the question“What are the best Material Design apps?” Sliding Explorer is ranked 29th while Wally is ranked 32nd. The most important reason people chose Sliding Explorer is:
Sliding Explorer is designed following Google's Material Design guidelines.
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Pros
Pro Lots of different ways to find wallpapers
The app allows searching for wallpapers by text and tags as well as allows filtering them by categories, resolution, and/or aspect ratio.
Pro Has a huge selection of high quality wallpapers that's constantly updated
The app uses wallhaven.cc as the source for wallpapers. Wallhaven.cc, the successor of wallbase.cc, is a vast resource for high quality wallpapers.
Pro Material Design
Sliding Explorer is designed following Google's Material Design guidelines.
Pro Root access
Sliding Explorer has root access support for editing root files on a device.
Pro ZIP support
Sliding Explorer features ZIP file support for compressing and extracting .zip files.
Cons
Con app not available in play store
Con Buggy
Multiple people are reporting that the app can sometimes crash or crash the launcher or not work properly in some other way.
Con Has trouble reading external SD cards
Sliding Explorer has users reporting that there is trouble with it reading external SD cards.