If you want to put two photos side by side on your iPhone, there are a few different ways to do it. The first way is to use the Photos app. Open the Photos app and select one of the photos you want to put side by side. Tap and hold on the photo, then drag it over the other photo. When they’re close enough, let go of the photo and it will automatically merge them together. The second way is to use an app called SideView. SideView is available for free from the App Store and lets you merge two photos together in just a few seconds. Open SideView and select one of the photos you want to put side by side. Drag it over the other photo until they’re close enough, then let go of both photos. The merged photo will appear in front of the original photos ..
