FotoSwipe (free) is an app for sharing photos directly across platforms.
Ranked in these QuestionsQuestion Ranking
Pro Private compared to other sharing apps
With FotoSwipe, photos only go to the intended recipients.
Pro No registration required
Download the app and that's it. No account required.
Pro Very fast photo sharing
The biggest strength of this app is speed, it allows users to share photos to anyone at the speed of apps like Pushbullet.
Con Photos can't be shared directly from photo library
In order to share photos, the app must be opened. There no way to send them directly from the library.