App Store review rejections: How to fix Guideline 4.0, 2.1, and 5.1.1 in 2026

Getting an app approved on Apple's App Store is notoriously strict. Unlike automated initial checks, Apple uses human app reviewers who install your IPA, test every button, and evaluate compliance against the App Store Review Guidelines.

If you received a rejection message in App Store Connect, don't panic. Here is the exact playbook to fix the three most frequent rejections.

1. Guideline 2.1 - Performance: App Completeness (Crashes & Placeholders)

"We discovered one or more bugs in your app when reviewed on iPad running iPadOS 18..."

The Root Cause

• Broken authentication links or mock buttons that say "Coming Soon".
• Empty table views or infinite spinners when an API response is empty.
• Crashing on iPad: Even if you built an iPhone-only app, Apple reviewers will test it on an iPad in 1x/2x compatibility mode. If it crashes on launch, it's an immediate rejection.

The Fix

1. Always provide valid demo test credentials in App Store Connect > App Review Information.
2. If your backend is geo-restricted or blocks US IP addresses, whitelist Apple's review IP ranges or mock the response for demo accounts.
3. Remove any dead placeholder UI. Every button must do something.

2. Guideline 4.0 - Design: Minimum Functionality & Webviews

"Your app provides a limited user experience as it is not much more than a repackaged website..."

The Root Cause

This is the dreaded rejection for hybrid apps (React Native, Flutter, Capacitor) that simply load a website URL inside a WKWebView. Apple requires apps to provide distinct native functionality beyond what Safari offers.

The Fix

• Integrate native hardware capabilities: Push notifications, biometric login (Face ID), offline caching, camera/photo picker, or haptic feedback.
• Style the navigation to match iOS HIG (Human Interface Guidelines), including native bottom tabs and swipe-to-go-back gestures.

3. Guideline 5.1.1 - Legal: Privacy & Account Deletion

"Your app does not include an option for users to delete their account..."

The Root Cause

If your app lets users create an account, Apple strictly mandates that users must also be able to initiate complete account deletion directly inside the app, without having to send an email or open an external web page.

The Fix

1. Add a clear "Delete Account" button in the Profile/Settings screen.
2. Ensure it permanently deletes or anonymizes user data on your backend.
3. Keep your Privacy Nutrition Labels in App Store Connect strictly aligned with the permissions declared in your Info.plist.

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