SmartClean
Why this one. It runs on iOS 13, so it works on iPhone 6s and up. And it downloads at 51 MB, so it fits even when your phone is nearly full.
51 MBDownload
iOS 13Minimum
Aug 2026Updated
SmartClean is our own app, so this link earns us money. Everything we said about it on the review page, including where it loses to other cleaners, still stands.