The iOS 26 replace has the second-worst adoption fee of all iOS releases since 2015, falling behind each iOS 18 and iOS 8.

Although all eyes may be on iOS 27 and its AI-infused Siri, which debuted at WWDC, the software program has solely entered beta testing.

Most iPhones, or 79% of all gadgets to be extra exact, are at the moment working iOS 26. That is in response to Apple’s App Store information for June 2026, which additionally revealed that 86% of all gadgets launched within the final 4 years have iOS 26 put in.

Whereas these figures may appear spectacular when taken at face worth, the iOS 26 adoption fee is definitely worse than that of the previous iOS 18 replace. In June 2025, 82% of all iPhones ran iOS 18, greater than the 79% at the moment working iOS 26.

When bearing in mind Apple’s App Retailer information from all iOS releases from 2015 by way of 2026, the iOS 26 replace really has the second-lowest adoption fee, with solely iOS 17 seeing fewer person upgrades.

The precise adoption charges for iOS 8 by way of iOS 26 for all suitable iPhones are the next:

  • 2015 iOS 8: 84%
  • 2016 iOS 9: 84%
  • 2017 iOS 10: 86%
  • 2018 iOS 11: 81%
  • 2019 iOS 12: 88%
  • 2020 iOS 13: 81%
  • 2021 iOS 14: 85%
  • 2022 iOS 15: 82%
  • 2023 iOS 16: 81%
  • 2024 iOS 17: 77%
  • 2025 iOS 18: 82%
  • 2025 iOS 26 79%

Word that each one of those adoption charges have been taken in June of the corresponding 12 months, except for iOS 12 utilization information, which was printed in August 2019.

At 79%, the iOS 26 adoption fee is under the 82.3% common from 2015 by way of 2026. Nonetheless, it isn’t all unhealthy information.

In February 2026, solely 66% of all iPhones have been working iOS 26, which means extra customers have upgraded within the final couple of months. That is to be anticipated, although.

Even so, not everybody has embraced the controversial iOS 26 improve. In line with Apple’s June 2026 App Retailer information, 14% of gadgets are nonetheless working iOS 18, whereas 7% are nonetheless on even older releases.

Apple’s information on newer gadgets working iOS 26

Since 2020, in June of yearly, Apple has printed iOS adoption charges for gadgets “launched within the final 4 years.” At 86%, the adoption fee for iOS 26 is equivalent to that of iOS 17 in 2024. In the meantime, iOS 18 had a better rating, at 88%.

The adoption fee of iOS 26 can be decrease than the 87.6% common when Apple’s information from 2019 by way of 2026 is taken under consideration. Earlier iOS updates, like iOS 12 in August 2019, noticed decrease adoption charges amongst newer gadgets, so iOS 26 is just not an outlier in any sense.

Apple’s precise numbers for “all gadgets launched within the final 4 years,” because the firm launched such information, are:

  • 2019 iOS 12: 85%

  • 2020 iOS 13: 92%

  • 2021 iOS 14: 90%

  • 2022 iOS 15: 89%

  • 2023 iOS 16: 90%

  • 2024 iOS 17: 86%

  • 2025 iOS 18: 88%

  • 2026 iOS 26: 86%

Whereas iOS 26 has fallen behind iOS 18, probably resulting from its Liquid Glass design language, the distinction is probably going not sufficient to trigger alarm for Apple. Wanting forward, iOS 27 may increase iOS adoption charges.

Relatively than controversial design modifications, Apple says the iOS 27 replace will ship improved performance on older iPhones, with app opening speeds now being 30% quicker, relative to earlier releases.

Moreover, the identical iPhone fashions that assist iOS 26 can be updated to iOS 27, together with the iPhone 11. As such, iOS 27 appears to have little to discourage potential upgraders. Time will inform if the iOS 27 adoption fee will really be larger than that of iOS 26, although.


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