Substack App Crashing or Not Loading

How to fix it

Try these in order — the most common fix is first.

1. 1. Update and restart

   Copy steps
   1. Update Substack in the App Store or Google Play
   2. Restart the phone, then reopen the app
   Did this fix it? Yes No

2. 2. Reinstall

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   1. Delete the app and reinstall; you stay signed in only if you log in again via a new emailed link
   2. Make sure you can receive email before you delete
   Did this fix it? Yes No

3. 3. Check for an outage and use the web

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   1. Look at Substack's status page and r/Substack for current reports
   2. Read the post at substack.com in your browser meanwhile
   Did this fix it? Yes No

4. 4. Check notifications

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   1. Open phone Settings > Notifications > Substack and allow alerts
   2. In the app open Settings > Notifications and re-enable the types you want
   Did this fix it? Yes No

Symptoms

The app closes on launch, hangs on a blank screen, notifications do not show, or posts do not open.

Why it happens

• Outdated app or OS version
• Corrupt cache after an update
• Server-side outage (a mobile app incident was logged in September 2024)
• Network restrictions blocking Substack
• Bug on specific OS versions

This guide also covers

• substack app not working
• substack app crashing
• substack app not loading
• substack notifications not working

Other Substack errors

• Substack Emails Going to Spam or Promotions
• Not Receiving Substack Emails
• Substack Login Link Not Arriving or Not Working
• Substack Paywall Showing for Paid Subscribers
• Substack Payment Declined When Subscribing
• Substack Stripe Payout Not Arriving
• Substack Custom Domain Not Working
• Substack Can't Publish or Editor Page Unresponsive