Instant Alpha

Built into your Apple apps - like pages, keynote and preview is Instant Alpha. This gives you the ability to remove the colour from any portion of your image.

PiZap

piZap Photo Editor is fun and easy to learn online photo editor & collage maker. Tons of effects, fonts, stickers, collage layouts, borders, frames, and editing tools.

Pixelmator

Pixelmator is a powerful, full-featured, layer-based image editor that lets you touch up and enhance images, sketch, ​and paint, as well as create advanced image compositions on iPad and iPhone alike.

Pixelmator has everything you need — whether you’re a mobile photographer, mobile painter, or mobile graphic designer — all in one easy-to-use iPad or Mac app.

PS Express

Join millions of creative folks who trust and use Adobe Photoshop Express for fast, powerful, and easy editing on mobile devices. Try-out the #1 user-requested feature: COLLAGES. Adobe Photoshop Express Collages feature combines powerful Photoshop editing and quick Style Transfer to help you create studio-caliber collages in just 5-7 taps.

Photoshop Express Collages gives you flexibility and control of images ranging from border size, colour, individual pan, and zoom. 

Photoshop Fix

Adobe Photoshop Fix enables powerful, yet easy image retouching and restoration on your iPad or iPhone. Heal, smooth, liquify, lighten and make other edits and adjustments that give you the precise look you’re after. Access edited photos within other Adobe mobile and desktop apps by signing in to Adobe Creative Cloud to further refine them or use them in other creative projects – it’s all powered by Adobe CreativeSync.

Photoshop Mix

Create anything you can imagine, anywhere you are. 

Use the official Adobe Photoshop Mix app to easily create and share professional multilayered images and designs in minutes.