Does deleting a vault app delete your photos? What survives

A good vault app is built so nothing leaks out of it: not into your gallery, not into search, often not into backups. The flip side is that when the app goes, the vault usually goes with it. Plenty of people learn this after deleting the app to free up space, to keep it from someone, or to “reset” a code they couldn’t remember.

This guide covers what an uninstall actually removes on iPhone and Android, the few places a copy can survive, why recovery tools rarely help, and the checklist to run before you delete anything.

What uninstalling a vault app deletes

On iPhone

Apple’s iPhone User Guide is blunt about it: “Deleting an app removes it and its data from your iPhone.” Everything the app kept in its own storage on the phone goes, and that’s where a vault’s photos live. The only exception Apple names is data the app saved in iCloud, such as documents in iCloud Drive. A vault that keeps everything on the phone has nothing in iCloud for that exception to save.

The delete itself is touch and hold the icon, tap Remove App, then Delete App. The other choice in that menu, Remove from Home Screen, only moves the icon to App Library. It deletes nothing, so if you tapped that one, your vault is still there.

On Android

Android splits storage into each app’s private, app-specific space and shared storage: the photo and video collection other apps can read, plus downloads and documents. Google’s storage documentation is clear that app-specific files are removed when the app is uninstalled, and shared media and documents are not.

A vault that does its job keeps its files in app-specific storage, so uninstalling erases them. Some vault apps instead keep a folder in shared storage. That folder survives an uninstall, but it also sits where a file manager or a phone-cleaning app can reach it, which tells you something about how private it was.

Google’s own hiding spot follows the same rules. Google says items in the Google Photos Locked Folder that aren’t backed up are deleted if you uninstall Photos, clear its data or factory reset the phone, and are lost with a lost or broken phone. Turning on Back up Locked Folder (Photos settings → Backup → Back up Locked Folder) is what protects them, at the cost of putting them in your Google Account. We compare it with Android’s other options in Locked Folder vs Secure Folder vs Private Space.

What can survive an uninstall

A deleted vault can only come back from a copy that lived outside the app. There are four places worth checking, roughly in order of how often they help.

1. The originals, in Recently Deleted or the trash

If you imported photos into the vault and then deleted the originals in the last 30 days, they may still be waiting. On iPhone (iOS 26 and later), open Photos → Collections → Recently Deleted (under Utilities), unlock it, select the photos and tap Recover. iPhone keeps deleted items there for 30 days. On Android, open the trash in Google Photos, which also holds deleted items for 30 days, and on a Samsung phone check the Gallery app’s Recycle bin too.

2. The vault’s own cloud

Some vault apps sync to the developer’s servers, often as a paid feature. If yours did, reinstalling and signing in to the same account should bring the contents back. That convenience has a cost: your photos sit on someone else’s server, and how safe they are depends on whether the app encrypts them on the phone before uploading. Our guide on whether calculator vault apps are safe covers how to check.

3. A phone backup that included the app

iCloud Backup includes data for apps you’ve downloaded, unless the app keeps it in iCloud Drive or the developer has excluded those files from backup, which a privacy-minded vault may do on purpose. If a backup taken while the vault was installed did include it, restoring that backup can bring the data back. The catch is that restoring means erasing the iPhone and rolling everything back to that backup’s date.

Computer backups made in Finder or iTunes are the other route. In late 2020, when a calculator-style vault app stopped opening for some people after iOS 14.2, users on Apple’s community forums got their files back by making a computer backup and reading the app’s folder with third-party backup viewers. That worked because the files were in the backup, not because anything was undeleted.

On Android, don’t count on it. Google’s Auto Backup gives each app 25 MB, about the size of a few phone photos, and backs up nothing for an app that goes over. Apps can also opt out entirely, and Google suggests that for apps that handle sensitive information. Google’s own help pages say not every app backs up all of its data.

4. An export you made

The most reliable copy is the one you made on purpose: an export from inside the vault to a file or folder you control, somewhere other than the phone. The checklist further down is about getting that right.

Photo vault recovery without a backup

Search for this and you’ll mostly find pages selling recovery software. For a vault that encrypted its files, they rarely deliver, for three reasons.

• Phones encrypt storage file by file. An iPhone creates a new 256-bit key for every file it writes, and current Android phones use file-based encryption too. Scanning for deleted leftovers, the way undelete tools worked on old memory cards, doesn’t turn up usable photos on a modern phone.
• The vault adds its own encryption. Even if the raw files turned up, a properly built vault encrypts them with a key derived from your code, sometimes mixed with a secret held in the phone’s security hardware. Android’s keystore is designed to delete an app’s keys when the app is uninstalled. Without the key, the files are noise.
• Most “recovery” is really reading a backup. The success stories usually involve an iCloud or computer backup that happened to contain the app’s data. If the vault was never in a backup, there’s nothing for these tools to read.

So before paying for anything, go through the four places above. Be wary of any tool that wants you to root or jailbreak the phone, or to upload its contents to the tool maker’s servers; that’s a real privacy cost even when it finds nothing. And it’s worth saying out loud: if a vault can be recovered without your code or a backup, it wasn’t protecting much in the first place.

Offloading, clear storage, resets and other risks

Uninstalling isn’t the only way a vault disappears. Here’s what the usual suspects do to the data on the phone.

Offloading on iPhone, archiving on Android

Offloading removes the app but, in Apple’s words, keeps its documents and data. The icon stays on your Home Screen and tapping it reinstalls the app. iPhone can also do this automatically if you enabled the Offload Unused Apps recommendation in Settings → General → iPhone Storage, so a vault you rarely open can be offloaded without you noticing. Android’s version is archiving, manual (Settings → Apps → the app → Archive) or automatic through the Play Store, and it also keeps the app’s data.

Both are fine as long as the app is still in the store. Apple only lets you reinstall apps that are still available, and Google says the same for archived apps. If the vault has been pulled since, there may be nothing to reinstall, and the data that was kept is stranded.

Clear storage on Android

In Settings → Apps → the app → Storage & cache (names vary by phone maker), Clear cache deletes temporary files and is harmless. Clear storage is the dangerous one: Google’s help page describes it as permanently deleting all app data. For a vault, that’s the same as uninstalling. Be careful with phone-cleaner apps that offer to clear data for many apps at once.

Factory reset

A factory reset on Android removes all apps and their data, and only what’s stored in your Google Account comes back. Erase All Content and Settings on iPhone works the same way: only what’s in iCloud or a backup returns. For a vault that keeps itself out of backups, a reset is an uninstall. So is switching phones, which is why we wrote a separate guide on how to transfer hidden photos to a new phone.

When the app disappears from the store

If a developer pulls an app or the store removes it, the copy on your phone usually keeps working. The danger is later: once you delete it you can’t get it back, and an abandoned app can stop opening after an OS update, as that 2020 forum thread shows. A vault whose last update was years ago is a signal to export now, while it still opens.

When a subscription lapses

What happens depends entirely on the app. Some vaults tie cloud storage or extra features to a paid plan, and those rules are in the app’s own help pages, so read them before the renewal date and export while you still have full access. Also note that deleting an app isn’t a way to cancel: Google Play says plainly that uninstalling won’t cancel your subscription. Cancel it in the store’s subscriptions page.

How to back up a photo vault app first

Whatever the reason for removing a vault, the order is the same: export, check, then uninstall. In detail:

1. Find the app’s way out. Look in its settings for Export, Backup or Restore to gallery. If the only option is moving items back into your photo library, that works too, but they’ll be visible in Photos until you hide them somewhere else.
2. Put the copy somewhere other than the phone. A computer, a USB drive or a cloud drive you control. A copy on the same phone won’t survive a reset, a theft or a cracked screen. If the export is plain, unencrypted photos, treat wherever you put them as part of the vault now.
3. Export every vault. If you use a decoy code, it usually opens a separate vault with its own contents. Export each one you want to keep.
4. Write down any passphrase. Encrypted exports are sealed with a password. Keep it somewhere that isn’t the phone you’re about to wipe.
5. Check that the export opens. For plain photos, open a few, including a video, and compare the count with the vault. For an encrypted backup file, the only real test is restoring it on another phone or into a fresh install. At the very least, check the file size looks right for the amount you stored.
6. Cancel any subscription in the store, since uninstalling doesn’t.
7. Then uninstall. If you’re switching to a different vault, import into the new one and check it before deleting the export.

What happens with Calculator Locker

We make a vault app, so here’s how ours behaves, plainly. This describes the Android app, which is the one you can install today; the iPhone app is coming soon.

Calculator Locker keeps the vault only on your phone. Files are encrypted with AES-256 on the phone, with the key tied to the phone’s secure hardware, so the code can’t be guessed on another device. There’s no account and no server, and nothing is synced anywhere by default. We’ve also switched off both Google’s cloud backup and phone-to-phone transfer for the app, so the vault isn’t in your Google backup and isn’t carried over by Smart Switch or Google’s transfer tool. Even a copied vault file wouldn’t open on another phone.

That means uninstalling, clearing storage, a factory reset or a lost phone without an export loses the vault. That’s by design: a vault that could be brought back without you could be brought back by someone else.

The way to keep a copy is the optional encrypted export:

1. Open the vault with your code, then go to Settings → Backup → Export an encrypted copy.
2. Choose a passphrase of at least 10 characters. It isn’t your vault code and isn’t stored anywhere, so if you lose it, nobody can open the file, including us.
3. Choose where to save the file, ideally off the phone.
4. To bring it back, install the app, open a vault, and use Settings → Backup → Restore from a file. The contents are added to whichever vault is open.

The export covers the vault that’s open, so if you use a decoy code, export each vault separately. And since the app is free with no subscription, a lapsed plan can’t lock you out. More on how the encryption works is in the security section.