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Empty the Recently Deleted folder, clear Safari cache, and remove duplicate photos to recover 3 to 8 GB — no need to delete the photos you want to keep.
Clean Email requires full OAuth inbox access and server-side processing. iOS Mail unsubscribes for free; on-device apps batch it without your email leaving your phone.
I tested seven iPhone cleaner apps against the free tools built into iOS 18. Most are not worth installing. Three are. Here is what actually freed storage.
Clearing Safari cache on iPhone typically frees 200-500MB, and app caches rebuild within hours. The real storage hogs are photos, videos, and message attachments.
The Facebook app has no clear cache button on iPhone. The only way to wipe its 1–2GB of cached data is to delete and reinstall the app.
Open Photos, tap Albums, scroll to Utilities, tap Duplicates. iOS 18 merges exact copies in one tap — but misses similar shots, burst leftovers, and re-takes of the same screen.
iOS has no multi-select delete in the Contacts app. The three working methods are iCloud.com on a computer, a third-party app, or Orden.
If your iPhone says storage is full after you deleted photos and apps, the culprit is almost always Recently Deleted, iCloud sync lag, or System Data.
Live Photos store a 3-second video next to every image, making each photo roughly 2x the size of a normal still. Here is how to turn it off and convert the ones you already have.
iOS Mail has a built-in Unsubscribe link at the top of marketing emails, but it works one message at a time. Here is how to clear hundreds without selling your inbox to a data broker.
Most iPhone cleaner apps are safe to install, but a small number harvest your photo metadata, contacts, and location. Here are the seven red flags that separate the safe ones from the data brokers.
The fastest free way to compress videos on iPhone is iMovie, which can shrink a 400MB 4K clip to about 60MB. Here is the real tradeoff.
Clear Safari cache in Settings > Apps > Safari, or delete and reinstall apps to clear their caches. iOS has no single 'clear all cache' button.