The best alternatives to Wonderwall are Google, Splashify, and Splashy. If these 3 options don't work for you, we've listed a few more alternatives below.
Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.
WallBot is an macOS wallpaper app with Machine Learning and rich content. WallBot is the first wallpaper app that can use Machine Learning to use images like the ones you like, from the talented Unsplash Community.
Uttam is a wallpaper app that gently refreshes your home screen each day with perfectly crafted wallpapers. But, it doesn't force that behaviour on you. The setting of the wallpaper is fully customisable with an added option to save wallpapers you really love to your phone's storage.
Aqueux is a collection of ultra high-resolution dynamic wallpapers, inspired by an OS X classic — available in several wide-gamut color editions, with easy installation on macOS, and a free set available for mobile devices.