Home Product SupportIdentify a code

iPhone · Apps

An iPhone app keeps closing, freezing or will not open

Close and reopen the app, restart iPhone, update the app and iOS, then delete and redownload the app last. Deletion can remove data stored only inside that app.

Direct answer

Close and reopen the app, restart iPhone, update the app and iOS, then delete and redownload the app last. Deletion can remove data stored only inside that app.

What this covers

  • A downloaded or built-in iPhone app that stops responding or closes
  • Current supported consumer software as reviewed on August 20, 2026
  • The symptom described in the title before a factory reset or hardware repair

What it does not cover

  • ×An iPhone that is frozen at startup or has no usable storage
  • ×Billing, ownership, warranty or account-recovery disputes
  • ×Regional features that the manufacturer does not list for your country
Try in this order0 of 4 completed

  1. Close and reopen the app

    Reversible

    Open the app switcher, swipe the affected app away, then launch it again once.

  2. Restart iPhone

    Reversible

    Use the normal power-off procedure for the model, wait for shutdown, then turn it on again.

  3. Update the app and iOS

    Reversible

    Install the app’s App Store update, then check Settings › General › Software Update.

  4. Delete and redownload last

    Signs you out

    Confirm the app’s data is synced or recoverable and that credentials are available before deleting and reinstalling it.

Evidence ledger

Sources behind this answer

Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.

01
Apple SupportIf an app on your iPhone or iPad stops responding

Official close, restart, update and delete/redownload order; published March 24, 2026.

Exact questions

Common follow-ups

What should I try first for an iphone app keeps closing, freezing or will not open?+

Open the app switcher, swipe the affected app away, then launch it again once.

Will these steps erase apps, files or settings?+

The early checks are reversible. Deleting an app can remove locally stored app data and sign you out. Confirm sync and credentials first.

When should I stop troubleshooting?+

Stop if the device reports hardware damage, becomes unusually hot, smells burnt, or the problem falls into this excluded case: An iPhone that is frozen at startup or has no usable storage.

Change recordAug. 17, 2026 — Published a source-linked sequence for an iphone app keeps closing, freezing or will not open, with consequences shown before sign-out or reset steps.
Report a correction
Wrong device or version?

Match the path before repeating the steps.

Match another device