When comparing Flickr vs QuickPic, the Slant community recommends QuickPic for most people. In the question“What are the best photography apps for Android?” QuickPic is ranked 8th while Flickr is ranked 10th. The most important reason people chose QuickPic is:
QuickPic displays photos ultra fast and performs better than most stock gallery apps. Developed with speed in mind, QuickPic will make working with any library of photos lightning quick.
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Pros
Pro Can be set to auto-upload images
Flickr has an app on Windows, OSX, iOS and Android, called Flickr Uploadr (available for download in the tools section) that can automatically upload images to Flickr. It can even pull images from external drives and other cloud storage services such as iCloud.
Pro Photos are backed up elsewhere
I mainly use Google Photos and keep separate local backup of all my photos, but also use the IOS app which transfers all new photos onto Flickr storage as well.
Pro Good search
Flickr is capable of searching images by a combination of content, color, shape, depth of field, style, pattern, size, license and other options.
Pro Built-in image recognition
Flickr will automatically attempt to figure out the contents of a picture and tag them appropriately. This will allow you to look for, for example, all images of flowers, bridges or butterflies.
Pro Fast performance loading photos
QuickPic displays photos ultra fast and performs better than most stock gallery apps. Developed with speed in mind, QuickPic will make working with any library of photos lightning quick.
Pro Supports multiple online photo album services
QuickPic integrates with: Flickr, Picasa, 500px, and many more.
Pro Supports hidden images
In order to hide an image, start the title with a period. This can be great for privacy purposes.
Pro Excellent file management tools
QuickPic offers excellent file management tools, with the ability to move and rename photos, users are in total control over the photo library. Easily find new photos by date or location with the grouping tool.
Pro Impressive video-player
Allows to lock a video in landscape mode and intuitive controls via swipe gestures.
Cons
Con No offline view
While Google Photos and iCloud Photo Library allow you to select if you want to keep local copies of your photos, Flickr only allow you to view your photos online.
Con There are limits on file sizes
Images can't be more than 200MB a piece and each video can't take up more than 1GB of space.
Con No support for lossless file formats
Photos can only be saved as .jpg, .gif (non-animated) and .png files.
Con Buggy and unstable since acquisition by Cheetah Mobile
v5.0.0, after acquisition by Cheetah Mobile, has countless bugs and basically nonoperational. This, probably, clone of original app, assembled from alternative, home-made and very low quality source code.
Con Untrustworthy
It's owned by Cheetah Mobile. That says it all.