Apps like Wallcraft and Zedge do mostly rely on an ad-based model that give you in-app currency to redeem premium wallpapers. Still, the free range of images that they offer could be all you need.

The app is free with no in-app purchases ... Z Ringtones Premium 2025 is an alternative to Zedge but without wallpaper support. It offers a wide selection of ringtones for quick download.