55Photos is a web app that works with Google Photos, Google Drive, Dropbox, VK, Flickr. Using 55Photos you can explore, view, edit, manage, organize, transfer, download, upload, backup online photos and images.
Photos and albums transfer between all smartphones brands and/or PCs as well. Inslideshow is an universal "AirDrop" working between all smart-phones brands and PC. You no longer will suffer with complicated synchronizations.
inslideshow vs Photo Transfer App opinions
The receiver can preview the photo before downloading
Transfer photos from iPhone or iPad to PC and Mac with ease. Photo Transfer app is the only app in App Store that transfers your photos wirelessly without the need for a web browser or additional software on your Mac or PC.