Using apps on your iPhone
Welcome
If you are experiencing issues with an app you downloaded from the App Store, this troubleshooting assistant supplies tips that help resolve most app issues including:
- App freezes or stops responding
- App fails to open or closes unexpectedly
- App not performing as expected

Verify iOS requirements
Make sure the app is compatible with your iPhone software:
- Check the requirements in the App Store.
- Check your iOS version using Settings > General > About.
If the app requires a newer version of the iOS than the one you are using, update iOS on your iPhone.
For issues downloading or syncing apps from your computer, make sure you are using the latest version of iTunes.
Update apps
See if there is an updated version of the app on your iPhone.
Open the App Store and tap Updates. If updates are available, tap Update All.
When prompted, enter your iTunes Store account information. iPhone will then download and install the app updates.
Close App
If only a single app has stopped responding or closes on launch, try closing the app from the multitasking bar:
- Return to the Home screen, and then press the Home button twice.
- Tap and hold on the app.
- When it starts to jiggle, tap the
to close it. - Double-click the Home button and try opening the app again.
If it is a third-party app, for additional assistance please view this article.
Restart iPhone
To restart iPhone, first turn iPhone off by pressing and holding the Sleep/Wake button until a red slider appears. Slide your finger across the slider and iPhone will turn off after a few moments.
Next, turn iPhone on by pressing and holding the Sleep/Wake button until the Apple logo appears.
Remove app
If you are having issues with a particular app, try removing the app from your iPhone.
- To avoid losing any app data, first back up your information.
- Touch and hold any app icon on the Home screen until the icons start to wiggle.
- Tap the "x" in the corner of the app you want to remove. You may be prompted to rate the app.
- Tap Delete to remove the app and all of its data from your iPhone.
- Click the Home button to cancel or stop deleting apps.
- Proceed to the next step to reinstall your app.
Reinstall app
After removing an app from your iPhone, use these steps to reinstall it.
Open the App Store on iPhone and locate the app to reinstall. If you previously purchased the app, tap Purchased to find it quickly, then tap the redownload button.
If prompted, enter your iTunes Store account information.
After the app is installed, check to see if your issue is resolved.
Report app
If you are still encountering an issue with the app, you can use the App Store to report your problem.
Open the App Store on iPhone and locate the app.
Scroll down and tap "Report a Problem."
Select your issue and any additional comments.
Tap "Report" to submit your issue.
In addition to reporting the problem in the App Store, try the following options:
- Visit this article for additional troubleshooting and advanced steps.
- Check App Store Frequently Asked Questions (FAQ).
- Visit the website of the app's developer for more information. This is listed on the app's information page in the App Store.
- Update to the latest version of iTunes and iOS.
- Get tips from fellow iPhone users at our iPhone Support Communities.