iPhone Apps Won't Open? 9 Best Methods Here!
"I can't open any apps on my iPhone all of a sudden and don't know why. Does anyone know the best solutions to fix this problem, it is really annoying."
Are your iPhone apps not opening or constantly crashing? Many users encounter issues such as frozen apps, unresponsive screens, or apps that close immediately after launch. Fortunately, these problems are usually easy to fix. In this article, we'll share several proven solutions to help you fix iPhone apps that won't open and restore your device to normal.

- Why Can't I Open Any Apps on My iPhone?
- Top 9 Best Methods to Fix iPhone Can't Open Any Apps
- Method 1. Close All the Background Apps on Your iPhone
- Method 2. Fix Apps Won't Open on iPhone Using TunesKit iOS System Recovery HOT
- Method 3. Force Restart Your iPhone
- Method 4. Update Your iPhone Software Version
- Method 5. Update Apps on Your iPhone
- Method 6. Delete and Re-install Apps
- Method 7. Free Up iPhone Storage
- Method 8. Reset All Settings on iPhone
- Method 9. Restore iPhone via iTunes
- Summary
Why Can't I Open Any Apps on My iPhone?
When iPhone apps fail to open, the problem is usually related to the operating system, storage capacity, software compatibility, or device performance. In some cases, the issue only affects certain apps, while in others the entire system becomes unstable.
- 01 Storage and Memory Limitations: If the iPhone is running out of storage or RAM, apps may crash, freeze, or fail to launch because the system cannot allocate enough resources for them to operate properly.
- 02 iOS or App Software Problems: System glitches, corrupted app data, or incomplete software updates can interfere with the communication between iOS and applications, causing apps to stop responding or close immediately after opening.
- 03 Compatibility and Account Issues: Some apps may not support the current iOS version or device model. In addition, Apple Account verification or App Store authentication problems can sometimes prevent apps from launching normally.
- 04 Network and Performance Factors: Apps that rely on internet access may fail to start under poor network conditions. At the same time, overheating, battery degradation, or excessive background activity can reduce overall system performance and affect app responsiveness.
Watch Now: How to Fix Apps Won't Open on iPhone
Top 9 Best Methods to Fix iPhone Can't Open Any Apps
Now that we've covered the causes and video guide of this issue, let's take a look at the most effective ways to fix it. Below are the top 9 methods to resolve the "iPhone can't open apps" problem, from quick basic fixes to more advanced solutions.
Method 1. Close All The Background Apps on Your iPhone
When too many apps are running in the background, they consume system memory (RAM) and processing resources. This can slow down your iPhone and even prevent new apps from launching properly.
- Step 1. Open the App Switcher by double-pressing the Home button if your iPhone has one, or by swiping up from the bottom of the screen and pausing in the middle if it uses Face ID.
- Step 2. Once the App Switcher appears, you will see all the apps currently running in the background.
- Step 3. Simply swipe up on each app card to close them. After all background apps are closed, return to the Home Screen and try opening your apps again.

Method 2. Fix Apps Won't Open on iPhone Using TunesKit iOS System Recovery
Though this issue is probably due to your software, it is hard to figure out why. In this condition, rather than spending a lot of time looking for the cause, using an iOS fixing program is a better choice. Here, I recommend TunesKit iOS System Recovery, which is a dedicated and professional iOS fixing tool that can help you overcome your iPhone issues like iPhone black screen, iPhone stuck on Apple logo, or iPhone/iPad stuck on terms and conditions within several steps.
Fix iPhone Apps Won't Open with TunesKit
Easily repair iOS system issues that cause apps to freeze or crash without data loss, and get your iPhone back to normal in just a few simple steps.
Let's see the detailed steps to fix iPhone can't open any apps.
Step 1Connect Your iPhone to PC
The first thing you need to do is to connect your iPhone to a computer using a USB cable. Then Launch TunesKit iOS System Recovery on your iPhone. Your iPhone will be detected quickly. In the main interface, click the iOS System Repair button, and on the next page, click the Start button.

Step 2Select A Mode
In TunesKit iOS System Recovery, there are two fixing modes for you to fix your iPhone can't open apps. In most conditions, the Standard Repair is powerful enough to solve this problem. The Deep Repair can give users a stronger fixing, but will also erase all your iPhone data. If you are going to use the Deep Repair, don't forget to back up your iPhone.

Step 3Download Firmware Package
Then, you need to check the information given is corresponding to your device. If not, you can correct it manually. Click the Download button to download it for the fixing.

Step 4Fix iPhone Apps Won't Open
Once the downloading is finished, click the Start Standard Repair button, it will start to fix your iPhone. And your apps can open normally as usual.

Method 3. Force Restart Your iPhone
If your iPhone is frozen or system processes are stuck, a force restart can refresh the operating system and clear temporary glitches that may prevent apps from opening.
- For iPhone 6s or earlier: Press and hold the Home button and the Side (or Top) button at the same time. Keep holding until the Apple logo appears, then release both buttons.
- For iPhone 7 and iPhone 7 Plus: Press and hold the Volume Down button and the Side button together until the Apple logo shows up, then release them.
- For iPhone 8 and later models: Quickly press and release the Volume Up button, then quickly press and release the Volume Down button, and finally press and hold the Side button until the Apple logo appears.

Method 4. Update Your iPhone Software Version
Using an outdated iOS version can lead to compatibility issues with apps, as newer apps are often designed to run on the latest system updates. This mismatch may cause apps to crash or fail to open.
- Step 1. Go to Settings, tap General, and then select Software Update.
- Step 2. If a new iOS version is available, download and install it following the on-screen instructions.
- Step 3. Make sure your iPhone is connected to Wi-Fi and has sufficient battery life during the update process.

Method 5. Update Apps on Your iPhone
If an app version is outdated or not fully compatible with your current iOS system, it may become unstable and fail to open. Updating apps ensures they are optimized for the latest iOS environment and include bug fixes.
- Step 1. Open the App Store on your iPhone and tap your profile icon in the top-right corner of the screen.
- Step 2. Scroll down to see available updates, then tap Update All to update all apps at once, or select Update next to individual apps you want to refresh.
- Step 3. Once the updates are completed, try opening the apps again.

Method 6. Delete and Re-install Apps
Even if your apps are fully updated, corrupted app data or damaged installation files can still prevent them from opening properly. Reinstalling the app can remove faulty data and restore the app to a clean working state.
- Step 1. Press and hold the app icon on the Home Screen until a menu appears, then tap Remove App and confirm the deletion by tapping the Delete App option.

- Step 2. After the app has been uninstalled, open the App Store, search for the app, and download it again.
- Step 3. Once the reinstallation is complete, try launching the app to see if the issue has been resolved.
Method 7. Free Up iPhone Storage
Insufficient storage on your iPhone can prevent apps from opening correctly. Freeing up space is a vital troubleshooting step to resolve this issue and maintain optimal performance.
- Step 1. Navigate on your iPhone to Settings. Tap General. Tap iPhone Storage. Wait for the storage breakdown to load.
- Step 2. Review the storage graph at the top to see what is taking up the most space (Apps, Photos, Media, System). Look at the list of installed apps to see which ones consume the most storage and when they were last used.
- Step 3. You can select either Offload App or Delete App to release the space.

Method 8. Reset All Settings on iPhone
Resetting all settings on your iPhone can be an effective way to fix minor software issues, such as apps that refuse to open. It is important to note that this process will not cause any loss of your personal data, like photos or messages. However, it will delete your saved preferences for networks, including Bluetooth connections and Wi-Fi passwords.
- Step 1. Launch the Settings app on your iPhone.
- Step 2. Scroll down the menu and tap on General. Scroll to the bottom of the screen and select Transfer or Reset iPhone > Reset option.
- Step 3. Tap on Reset All Settings to execute the reset. You may be prompted to enter your device passcode to confirm the action before the phone reboots.

Method 9. Restore iPhone via iTunes
If the above-all methods are unable to fix iPhone apps won't open issue, you can try to restore your iPhone via iTunes. Remember, it will erase all the data on your iPhone. If you don't want to lose any data from your iOS device, you can back up your iPhone before the restoration. You can restore your iPhone by doing the follwoing steps:
- Step 1. Launch iTunes on your computer, and connect your iPhone to the computer using a USB cable. Enter your iPhone lock screen passcode to trust your computer.
- Step 2. Click on the device icon when your iPhone is detected.
- Step 3. Select the Summary option and click on the Restore iPhone option.

Summary
No operating system is perfect, and encountering occasional glitches is inevitable. Therefore, having a reliable iOS repair tool on hand is essential for any user. Personally, I highly recommend TunesKit iOS System Recovery as the best solution for all your iOS repairing needs.