Macrumors iconMacrumorsSep 29, 2026 ~6 min source read

Why many iPhone apps briefly crashed: a Firebase analytics outage

A short-lived problem in Google Analytics for Firebase caused some iPhone apps to crash. The backend issue has been fixed and developers do not need to update their apps.

Here's Why iPhone Apps Were Crashing

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Useful takeaways from this story.

A Google Analytics for Firebase issue caused crashes in iPhone apps that integrate the Firebase analytics SDK.

The crashes coincided with Apple’s iOS 27.0.1 release but affected multiple iOS versions, so the timing was coincidental.

The useful part

While the issue began shortly after Apple released iOS 27.0.1, the timing was coincidental, as apps were crashing on other iOS versions too. Apple TV 4K (4th generation) image (on a gradient) The image reveals that the Apple TV will have the same external design as the current model, with all of its... This is a massive $900 markdown on the high-end MacBook Pro, and it's joining a few other MacBook Pro discounts on Amazon this week.

How it works

  • Score: 14 Votes (Like | Disagree) HQuest 22 hours ago at 06:27 am None of my apps crashed.
  • Score: 14 Votes (Like | Disagree) D DougieS 21 hours ago at 07:07 am Tesla App was crashing.
  • It's a third party app using a third party (Google) framework Score: 10 Votes (Like | Disagree) A AppleCook 21 hours ago at 07:27 am None of my apps crashed.
  • Score: 3 Votes (Like | Disagree) Read All Comments Next Article iPhone 18 Pro Face ID Not Working?
  • Try This Videos This Lens Gives the iPhone 18 Pro INSANE Zoom (PGYTECH RetroVa) Watch on YouTube This Lens Gives the iPhone 18 Pro INSANE Zoom (PGYTECH RetroVa) iPhone Duo vs.

What to take from it

(PiHole or something in my control would offer more privacy but alas, lazy.) Score: 4 Votes (Like | Disagree) B bviktor 15 hours ago at 01:22 pm Cool, except locally installed apps shouldn't crash because of an analytics web service lag. A person said to be close to Foxconn's supply chain told China's Jiemian News that final assembly yields for Apple's first foldable iPhone were only slightly above 60% as of September 17. What do you mean, you're using something that blocks the Google firebase thing so you were affected by the issues?

Example or evidence

  • I was not affected by these issues, since this was triggered only when the firebase code loaded within the app.
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Details worth keeping

[ 17 comments ] Get weekly top MacRumors stories in your inbox. The image is specifically for an "Apple TV 4K (4th generation)" model. MacRumors is an affiliate partner with Amazon.

Related coverage

  • Cultofmac: After a Firebase bug causes widespread iPhone app crashes, Google rolls out a backend fix (no app updates required).
  • Itechhacks: Key TakeawaysAfter iOS 26.7 update on September 14, 2026, some iPhone users notice apps crashing or not opening, mainly due to compatibility issues with apps, cached data, permissions, and system changes.To...
  • Itmedia: iOSアプリが相次ぎ強制終了する大規模障害が発生。原因はGoogleの「Firebase」不具合とみられる。再起動では解決せず、データ消失リスクがあるためアプリ削除は避け、復旧を待つのが最善の対応となる。
  • Androidauthority: One small bug for Google, one giant pain for developers.
  • Geeky Gadgets: The iPhone 18 Pro and Pro Max, launched alongside iOS 27, bring advanced features such as under-display Face ID and an improved Always-On Display.

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