Snapseed
This is by far one of the easiest and most effective apps, I’ve ever used for photo editing. Although the UI is not classic, but it is definitely effective
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Camera Plus Pro
This was the 1st app that I found having video zoom. It is a complete app with photo and video capturing features, detailed editing as well as sharing capabilities.
Ultimate photo sharing platform for iPhoneographers. No need to say anything else!!!
iMovie
Video editing feels easier on this app. Although the performance lags a bit, this is good in features
