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iPhone Apps Crashing or Freezing – How to Fix It 2026 Guide

Why Choose Keith Thomas

20 years of experience as a Senior Apple Support Specialist at Apple Computer UK HQ.

• Former Apple Computer UK Mac Support Specialist and Apple Authorised Service Provider background.

Established and Independent since 2010 for on‑site Apple Support Service – no call centres, no outsourcing, no hardware repairs. Over 25,000+ Apple problems resolved. Unique on-site Apple Support Service. backed up with Independent Apple Telephone Support Assistance.

• Trusted by home users, small businesses, and professionals across London and the South East UK.• Clear, honest, software‑only support. No Hardware Repairs. Expert Apple Consultancy Service.

On‑site iPhone App and Software Support in London and the South East UK

What this page covers

This guide explains the most common reasons why iPhone apps crash, freeze or close unexpectedly, the steps you can try yourself, and when it’s time to get professional on‑site help. It applies to:

• iPhone 17 / 17 Pro / 17 Pro Max / iPhone Air

• iPhone 16 / 16 Pro / 16 Pro Max

• iPhone 15 / 15 Pro

• iPhone 14 / 14 Pro

• iPhone 13 / 13 Pro

• iPhone 12 / 12 Pro

• iPhone SE (2nd and 3rd generation)

This page focuses on software issues only. Keith Thomas does not offer hardware repairs.

The most common app crash problems

These are the issues Keith Thomas sees most often during on‑site visits:

• iPhone apps crashing

• iPhone apps freezing

• iPhone apps closing immediately

• iPhone apps crashing after update

• iPhone apps crashing due to low storage

• iPhone apps crashing due to System Data

• iPhone apps crashing due to Apple Account issues

• iPhone apps crashing due to network issues

Quick checks you can do yourself

These steps solve around 50% of app crash issues.

Check 1 – Restart the iPhone

Check 2 – Close all apps

Check 3 – Update the app in the App Store

Check 4 – Update to the latest iOS version

Check 5 – Check iPhone storage

iPhone apps crashing

This usually means:

• App bug or outdated version

• iOS compatibility issue

• Corrupted app data

Try:

• Updating the app

• Restarting the iPhone

• Reinstalling the app

iPhone apps freezing

This usually means:

• App background process stuck

• iOS background process delay

• Low storage

Try:

• Closing and reopening the app

• Freeing storage space

• Restarting the iPhone

iPhone apps closing immediately

This usually means:

• App corrupted

• iOS compatibility issue

• Apple Account issue

Try:

• Reinstalling the app

• Updating iOS

• Signing in to your Apple Account again

iPhone apps crashing after update

This usually means:

• App not updated for new iOS version

• Temporary iOS bug

• App cache conflict

Try:

• Updating the app

• Restarting the iPhone

• Reinstalling the app

iPhone apps crashing due to low storage

This usually means:

• Storage nearly full

• System Data too large

• App unable to save data

Try:

• Freeing storage space

• Turning on “Optimise iPhone Storage”

• Restarting the iPhone

iPhone apps crashing due to Apple Account issues

This usually means:

• Apple Account not fully signed in

• App Store verification issue

• iCloud sync conflict

Try:

• Signing in to your Apple Account again

• Restarting the iPhone

• Updating the app

When DIY stops working

You should get on‑site help if:

• Apps crash every time you open them

• Apps freeze or hang for long periods

• Apps crash after update or restore

• Apps work on another device but not your iPhone

These issues usually require:

• iPhone app and software diagnostics

• iCloud and Apple Account configuration repair

• iOS update and background process optimisation

• iPhone configuration and repair

On‑Site iPhone Support – London & South East UK

If your iPhone apps are crashing or freezing, Keith Thomas provides an often same‑day on‑site support service across:

• Central London

• West, North, South and East London

• Surrey

• Berkshire

• Hampshire

• Wiltshire

Keith Thomas is an Apple Support Specialist in:

• iPhone app and software issues

• iCloud and Apple Account troubleshooting

• iOS update and performance diagnostics

• iPhone configuration and repair

Book on‑site help in London and the South East UK

If your iPhone apps are crashing or freezing, Keith Thomas can visit your home or office and get everything working again.

Keith Thomas – Apple Support Specialist

Established 2010 – Open 09:30–20:30, 7 Days

Contact Keith Thomas by Telephone: 07800 940756 or by Text to: 07800 940756, or simply complete an online website contact form 24/7