What is the easiest photo collage app?

YouCam Perfect makes it easy to create your collage in just a few taps. Just choose your template and tap the photos you want to add from your photo gallery. You can even remove unwanted objects, add stickers and other effects!

Are there any free collage apps for iPhone?

Here top free collage apps for iPhone: YouCam Perfect Picsart Adobe Photoshop Express MOLDIV PicCollage Pixlr Canva piZap PhotoGrid Collageable Layout from Instagram PicPlayPost Diptic Collage Maker Phototastic Collage Maker

15 Best Free Photo Collage Maker Apps for iPhone & Android