If an app keeps crashing iPhone, you know the drill: you tap the icon, it opens for half a second, and then you’re staring at your home screen again. Do it three more times and it starts to feel personal.
Quick answer: Most iPhone app crashes come down to four things — low storage, an outdated app or iOS version, a corrupted cache, or a permissions conflict. Force quitting the app, restarting your iPhone, freeing up storage, and updating the app fix the vast majority of cases in under five minutes.
Is It One App or Every App?
This is the first thing to figure out, because it points you toward completely different fixes.
If one app keeps crashing while everything else runs fine, the problem is almost always the app itself — an outdated build, a corrupted local cache, or a bug the developer hasn’t patched yet.
If several apps are crashing at once, especially right after you update iOS or install a beta, you’re usually looking at a system-level issue: low storage, a shaky beta build, or background processes fighting over memory.
Keep that distinction in mind as you work through the fixes below — it’ll save you from wasting time on the wrong one.
Start With the Easy Stuff
Force Quit and Reopen
Sounds too simple to work, but it clears whatever bad state the app got stuck in.
- Face ID iPhones: swipe up from the bottom, pause mid-swipe to see your open apps, swipe up on the app to close it, then relaunch it.
- Home button iPhones: double-click the home button, swipe up on the app, then reopen it.
Force Restart Your iPhone
A regular restart often isn’t enough because it doesn’t fully clear memory. A force restart does.
- Press and quickly release Volume Up.
- Press and quickly release Volume Down.
- Press and hold the Side button until the Apple logo appears.
This flushes the RAM the crashing app was tangled up in, which is a common fix if the crash showed up out of nowhere.
Update the App
Open the App Store, tap your profile icon, and check for pending updates. Developers push stability patches constantly, especially after an iOS release changes something the app relied on. If the app hasn’t been updated in months, that’s usually your answer.
Storage and Permissions Are the Usual Suspects
Check Your Storage
Go to Settings > General > iPhone Storage. If you’re under a gigabyte or two of free space, iOS starts struggling to allocate memory for apps to run properly, and crashes follow.
- Offload apps you don’t use often (this keeps your data, just removes the app itself).
- Clear out large videos or move photos to iCloud.
- Delete anything from the “recommended” cleanup list Apple shows you.
Restart your iPhone after freeing up space — the fix doesn’t fully take effect until the system recalibrates.
Check App Permissions
If a crash happens the moment you try to use the camera, scan something, or share your location, the app might be hitting a permissions wall instead of actually breaking. Go to Settings, scroll to the app, and confirm camera, microphone, or location access is actually turned on if the app needs it.
When Simple Fixes Don’t Work
Delete and Reinstall (and What You’ll Lose)
This clears corrupted local data that a force restart can’t touch. Press and hold the app icon, tap Delete, then reinstall from the App Store.
Here’s the part people worry about: whether you lose data depends on how the app stores it. Apps that keep everything in the cloud (most social apps, streaming apps, anything tied to an account) won’t lose anything — your data lives on their servers. Apps that save things locally, like some games or offline note-taking tools, can lose that data unless the app specifically backs up to iCloud. If you’re not sure, check the app’s settings for a backup or sync option before you delete it.
Reset All Settings
Not the same as erasing your iPhone. This resets things like Wi-Fi passwords, permissions, and display settings back to default, without touching your photos, apps, or files. Go to Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings. Useful when a whole cluster of apps is misbehaving and you suspect a system-level setting is the cause.
Update or Roll Back iOS
Check Settings > General > Software Update. Sometimes the fix is moving forward to a patched version; sometimes, if you’re on a beta, it’s leaving the beta program and going back to the last stable release.
If It Started After an iOS Update or Beta
This is worth calling out on its own, because it’s one of the most common triggers and one of the least talked-about clearly. Beta versions of iOS are, by definition, unfinished — app developers are often still updating their apps to keep pace with changes Apple made under the hood. If your crashes started right after installing a beta, the most reliable fix is patience: wait for the developer to push a compatible update, or go back to the last stable iOS release if the beta is causing too much trouble. This isn’t a sign anything is broken on your end — it’s expected friction during a beta cycle.
Third-party repair tools that promise to fix “system-level” crashing issues exist and can occasionally help with deeper firmware-level problems, but they typically require connecting your iPhone to a computer and downloading new firmware, which is a bigger step than most crashing issues actually need. Try everything above first.
READ MORE: App Is Damaged and Can’t Be Opened on Mac: The Real Fix
When It’s Not Software — Hardware and Apple Support
If you’ve freed up storage, updated everything, reinstalled the app, and reset your settings, and apps are still crashing constantly, especially alongside other symptoms like random restarts or an unresponsive screen, it may be a hardware issue rather than a software one. At that point, Apple Support can run a proper diagnostic — something no app-level fix can substitute for.
Quick Takeaway
If nothing above worked and it’s genuinely one specific app misbehaving, check the developer’s own support page or app store reviews — sometimes it’s a known bug already being patched, and the fix is simply waiting a day or two.
IF THIS HELPED, SEE MORE SOFTWARE TIPS FOR MORE STEP-BY-STEP GUIDES.
FAQ Section of App Keeps Crashing iPhone
Why does one app keep crashing on my iPhone while others work fine?
It’s almost always the app itself — an outdated version, a corrupted local cache, or a bug tied to a recent iOS change. Update the app first, then delete and reinstall if that doesn’t help.
Will I lose data if I delete and reinstall a crashing app?
Depends on the app. Cloud-based apps (social media, streaming) keep your data on their servers, so nothing is lost. Apps that store data locally, like some games, can lose progress unless they sync to iCloud.
Can too many apps cause crashing?
Yes. Running many apps at once or having very low free storage puts pressure on memory, which can cause any app — not just one — to crash unexpectedly.
Why did all my apps start crashing after an iOS update?
This usually points to low storage, a beta build still being optimized by developers, or a system-level bug. Restarting your iPhone and freeing up storage resolves most of these cases.
How do I know if it’s a hardware problem instead of software?
If crashes persist after storage cleanup, reinstalling, and resetting settings, and you’re also seeing random restarts or screen unresponsiveness, it’s worth having Apple Support run a diagnostic.
Is it safe to use a third-party repair tool for app crashing?
These tools can fix deeper firmware issues, but they usually require connecting to a computer and downloading new firmware — a bigger step than most crashing problems need. Try the built-in fixes first.
Does resetting all settings erase my photos and apps?
No. Reset All Settings only clears things like Wi-Fi passwords and permissions back to default. Your photos, apps, and files stay untouched.
Should I wait it out if the crashing started right after a beta update?
Usually yes. Beta software is unfinished, and app developers need time to push compatible updates. If it’s too disruptive, leaving the beta and returning to the stable iOS release is the faster fix.
