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Apple Reveals How Many iPhones Were Running iOS 26 Before WWDC

Apple has shared updated iOS 26 and iPadOS 26 adoption figures, revealing how many iPhones and iPads were running those software versions on the day before the start of WWDC 2026 and the release of the first iOS 27 developer beta.

iOS 26 on Three iPhones
These adoption numbers are based on iPhones and iPads that transacted on the App Store on Sunday, June 7, according to Apple.

The statistics are as follows:

  • 86% of all iPhones introduced in the last four years were running iOS 26.
  • 79% of all iPhones were running iOS 26.
  • 79% of all iPads introduced in the last four years were running iPadOS 26.
  • 68% of all iPads were running iPadOS 26.

Here is how that compares to the iOS 18 adoption figures that Apple shared based on iPhones and iPads that transacted on the App Store on Thursday, June 5, 2025:

  • 88% of all iPhones introduced in the last four years were running iOS 18.
  • 82% of all iPhones were running iOS 18.
  • 81% of all iPads introduced in the last four years were running iPadOS 18.
  • 71% of all iPads were running iPadOS 18.

iOS 27 beta testing is now underway, so this will be Apple's final update on iOS 26 adoption.

Related Roundups: iOS 26, iPadOS 26, WWDC 2026

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Top Rated Comments

sw1tcher Avatar
5 hours ago at 07:47 am

These adoption numbers are based on iPhones and iPads that transacted on the App Store on Sunday, June 7, according to Apple.

The statistics are as follows:

* 86% of all iPhones introduced in the last four years were running iOS 26.
* 79% of all iPhones were running iOS 26.
* 79% of all iPads introduced in the last four years were running iPadOS 26.
* 68% of all iPads were running iPadOS 26.

I wonder how many of these people who downgraded to iOS 26 from from iOS 18 would go back to iOS 18 if given the opportunity?

<-- * raises hand *
Score: 15 Votes (Like | Disagree)
6 hours ago at 07:45 am
iOS 26 might be the first update I skip entirely. At least with iOS 27 I can disable all the Liquid Glass transparency, and it'll supposedly make my phone faster.
Score: 15 Votes (Like | Disagree)
5 hours ago at 07:51 am
Would love to see a breakdown for MacRumors Forum posters 😂
Score: 10 Votes (Like | Disagree)
Ursadorable Avatar
5 hours ago at 08:10 am
I'm proud to be one of the ones still running iOS 18, and so far everything I've seen from the iOS 27 info, it looks like I'll still keep running it.
Score: 8 Votes (Like | Disagree)
maxoakland Avatar
4 hours ago at 09:39 am
It seems like these numbers are being used to try to say “See, it wasn’t really that bad! People didn’t avoid upgrading!” But with the way Apple forces and tricks users into upgrading, those slightly lower numbers are a lot more notable
Score: 7 Votes (Like | Disagree)
6 hours ago at 07:32 am
So, how many?
Score: 7 Votes (Like | Disagree)