I use Snapseed on Android. It's a practical app with many photo editing tools
I like how I can edit my photos here,
fotoClient - Photography Studio Management
VSCO - VSCO® is an art and technology company empowering people everywhere to create, discover, and connect. CompanyVSCO® is a trendsetting art and technology company that .
Pixifi - Ready to get organized? Pixifi is the ultimate studio management tool for professionals. Manage clients, events, online booking, appointment scheduling, workshops, payments, invoices, leads, packages and so much more.
PicsArt - Explore 100,000,000+ awesome images and photos on the web
ProSelect - Title: Professional Solutions for In Person Sales
Pixelmator - Pixelmator is an image-editing application for Mac and iPad.