Open Settings → General → iPhone Storage, tap an app you barely open, and iOS offers two buttons that look interchangeable: Offload App and Delete App. They are not. One removes the program and keeps the pile. The other removes the program and the pile.
People turn on Offload Unused Apps hoping twenty gigabytes come back. What usually comes back is App Size — 80 MB, 200 MB, maybe a gigabyte for a game. Documents & Data stays. That is why WhatsApp still says 14 GB after you offload it, and why Voice Memos recordings do not leave when you offload the tiny icon.
Read the two numbers first. Then pick the button that matches the number you actually want gone.
Offload vs Delete — They Are Not the Same Button
Offload App
Removes the app binary. Keeps Documents & Data. The Home Screen icon stays, with a cloud badge. Tap it later and iOS reinstalls the program on top of the same files, logins, and downloads.
Useful when App Size is the expensive line and you still want the data.
Delete App
Removes the binary and the local data. Chats, offline downloads, game progress, and cached media on this phone go with it unless they live in iCloud or a backup you trust.
Useful when Documents & Data is the hog and you accept losing that local copy.
Long-pressing an icon on the Home Screen does not offer Offload. You get Delete App or Remove from Home Screen. Remove from Home Screen only hides the icon in the App Library. The bytes stay. Offload lives in Settings.
Rule of thumb: if Documents & Data is larger than App Size, offload is a waste of the afternoon. Delete the files inside the app, or Delete App. Offload only the rows where the program itself is the fat line.
See Both Numbers Before You Tap Anything
Guessing which unused app is the hog wastes the afternoon. One screen tells you.
- Settings → General → iPhone Storage. Wait for the list to finish calculating. Apps are ranked by total size.
- Tap the app. Write down App Size and Documents & Data.
- App Size is the program. That is what Offload removes. Documents & Data is everything the app saved on the phone. Offload keeps it.
A seasonal airline app with 90 MB App Size and 12 MB of data is a clean offload. A chat app with 180 MB App Size and 8 GB of videos is not. If the top of the list is Photos, Messages, or whatever iOS listed first, offloading the unused games under it will not fix “Storage Almost Full.”
Offload One App by Hand
Manual offload is the honest way to test the feature. You see the two numbers, then you decide.
- Settings → General → iPhone Storage → tap the app.
- Tap Offload App, then confirm.
- The icon stays. A small cloud appears on it. Documents & Data does not drop.
- To get the app back, tap the icon. You need a network connection, and the app still has to be on the App Store.
If the developer pulled the listing, the data can sit on the phone with no binary to reinstall. That is the rare trap. Check Purchased in your App Store account if a cloud icon refuses to restore.
Some Apple apps cannot be offloaded or deleted at all — Phone, Settings, Messages, Camera, Photos, App Store, Find My, Health, Wallet. Do not hunt those buttons. They are not there.
Turn On Offload Unused Apps (the Automatic Switch)
iOS can offload apps you have not opened when storage is low. It still keeps Documents & Data. It does not ask which app. It does not touch Photos.
- Settings → Apps → App Store → turn on Offload Unused Apps.
- On older iOS the same switch is Settings → App Store → Offload Unused Apps.
Apple’s own wording: when storage is low, iPhone removes the app but keeps your documents and data. The icon stays. Tap it to reinstall. That is all the switch does. It is not a cache clearer, and it is not a one-tap clear-all-cache button. Those do not exist on iPhone.
Leave it on if you install trip apps, shop apps, and one-off tools you forget. Turn it off if you keep large offline libraries in apps you open twice a year and you do not want iOS to yank the binary the week you need it on a plane.
When Offload Is the Right Move
Offload wins when the program is the cost and the data is small — or precious.
- Airline, hotel, museum, event apps you used once. App Size is most of the row. Keep the login.
- A large game binary you might return to, if Documents & Data is not the bigger number.
- Work tools you cannot delete because of saved drafts, but you do not need the icon running every week.
Reinstalling an offloaded app is not a factory reset of that app. Your local files should still be there. That is the point.
When Offload Is a Waste
Offload is the move people try first on the apps that look huge. Those rows are usually huge because of Documents & Data.
Do not offload hoping data leaves
WhatsApp. Videos stay. Use Manage storage, then delete the Photos copies.
Voice Memos. Recordings stay. Delete them in the app and empty Recently Deleted.
Messages. Attachments stay. Use Review Large Attachments.
Also not an offload problem
Photos. Not an app you can offload. The library is its own meter.
Safari / Files downloads. Those live in Documents & Data or the Files app, not in the Safari binary.
iCloud. Offload does not shrink iCloud storage. Different meter.
If you offload WhatsApp or Voice Memos and the iPhone Storage line barely moves, that is expected. The feature worked. You asked it to keep the files.
Delete App Only When You Mean It
Delete App is the larger reclaim. It is also the one with no in-place undo for that app’s local store.
- Same screen: Settings → General → iPhone Storage → the app.
- Confirm Documents & Data is what you want gone — or that you have a backup you trust.
- Tap Delete App, then confirm.
WhatsApp chat history goes with Delete App unless you restore a backup. Voice Memos recordings go with it on this phone; if iCloud Voice Memos is on, other devices still have the library. Photos is not this button. Deleting photos is a Photos problem, and Recently Deleted still counts until you empty it.
Offload does not clear System Data by itself. A restart after you free real files is what usually trims the gray bar. Offloading a 90 MB app will not collapse a 20 GB System Data line.
What iOS Will Not Do
Built into iOS
Offload App on each app’s storage screen.
Offload Unused Apps under Settings → Apps → App Store.
App Size vs Documents & Data so you can see which button pays.
Not built into iOS
No “offload but also purge media.” That would be Delete App, or deleting files inside the app.
No Home Screen offload. Long-press is delete or hide.
No third-party offload API. Other apps cannot offload your apps for you.
After the unused binaries are gone, the leftover gigabytes are almost always the photo library — duplicates, screenshots, and videos you can shrink instead of delete.
Where Cleanup My Phone Helps
Cleanup My Phone (Gigabyte LLC — not Cleanup by Codeway, not CleanMyPhone by MacPaw) cannot offload unused apps. That is an iOS setting. No honest iPhone cleaner can flip it for you, and none can delete other apps’ private stores. Photo analysis runs on the device. Nothing is uploaded.
- The leftover hog. After offload, the number that did not move is usually Photos: duplicates, similar takes, screenshots, and oversized videos.
- Large-video compression. Keep the clip, drop 50–80% of the bytes. Offload cannot do that. Delete App should not be how you keep a trip video.
- A 30-day undo vault. Everything the app deletes stays on the phone for 30 days. Empty Recently Deleted to get the space back immediately, and you still have an undo.
Use Settings for Offload vs Delete. Use Photos — or a scan of Photos — for the library those buttons never touch. Doing only Offload Unused Apps is why people still see “storage full” after a Settings afternoon.
After Offload, Clear the Photo Pile
Cleanup My Phone finds duplicate photos, similar shots, screenshots, and oversized videos on your iPhone. On-device only. 30-day undo on everything it deletes. It cannot offload apps — that is Settings.
Download Free →Frequently Asked Questions
What is the difference between Offload App and Delete App?
Offload removes the program and keeps Documents & Data. Delete App removes both. The cloud-badged icon is the offloaded one. Reinstalling it should restore the same local files. Reinstalling a deleted app does not.
Does Offload Unused Apps free a lot of storage?
Only App Size. If Documents & Data is the bigger number, the meter barely moves. That is why offloading WhatsApp or Voice Memos disappoints people.
Where do I turn on Offload Unused Apps?
Settings → Apps → App Store → Offload Unused Apps. On older iOS: Settings → App Store. To offload one app now: Settings → General → iPhone Storage → the app → Offload App.
Can I get an offloaded app back?
Tap the cloud icon. You need the network, and the app still has to be on the App Store. If the listing is gone, the data can remain with no binary to download.
Can Cleanup My Phone offload unused apps?
No. Offload is an iOS setting. The app cleans the photo-library side — duplicates, similar shots, screenshots, large videos — on-device, with a 30-day vault. Publisher is Gigabyte LLC. App Store: apps.apple.com/app/id6748653777. Not Cleanup by Codeway. Not CleanMyPhone by MacPaw.