Wallpaper a Day is described as 'Simple macOS app that changes your wallpaper every day. Discover new wallpapers from multiple sources that also provide additional information about the images' and is a Wallpapers Hub in the photos & graphics category. There are eight alternatives to Wallpaper a Day for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best Wallpaper a Day alternative is John's Background Switcher, which is free. Other great apps like Wallpaper a Day are Space!, Bing Wallpaper, Wallpaper Wizard and BingSnap.