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The real question is "how many iPhone users are happily running iOS 26. I can't tell you how many "WTF is this!!?? How do I just F#$%& do that simple thing I used too..!!" messages I received from family and friends 5-6 weeks ago after blindly auto updating (as we're all recommended to do)
That happens with every major release. Do you know what confirmation bias is?

My 70 mother updated just fine. Not a single request for help.

Maybe you just know dumb people?
 
Why would older device be less involved in transactions on the App Store? Diving into my app store, I've got 5 apps that auto updated today, I don't even have that many apps installed. The odds of the average user not having had a transaction in the App Store are pretty slim. A "transaction" is any type of interaction with the App Store. It doesn't mean "person bought an app".

I have not had an App Store transaction or interaction since 2023. I know others who rarely do anything with Apps or App stores as it relates to their device usage.
 
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My point was that as applications slowly drop support for older versions, those running such older versions have less reason to visit the App Store and may not be counted. For instance, I'm using iOS 15 and only a couple of applications I use still get updates. Now, that's not a complaint and I don't really care, but as a result, I haven't even opened the App Store in a couple of months. I realize this would be a relatively small group, but it could still have an impact on the statistics if it wasn't being accounted for.
You don't need to open the app store to cause a transaction. The App Store just checking for updates is also a transaction. When I say "interaction", I don't mean user interaction, I mean a device interaction.

Besides, applications dropping support for older versions wouldn't even really play into this much. The newest device that doesn't support iOS 26 is the iPhone XS, an 8 year old device, it isn't going to be a very notable share of devices to begin with and of course apps still support iOS 18 broadly too.
 
My mental picture has always been males roughly 18-30 who think they know something about large scale tech and running a company. Speaking as a grumpy old man who doesn't like Liquid Glass but also considers it to be infinitesimally trivial - more trivial than adding rocket fins to cars in the 50s indicated a doom spiral and it's CEO is incompetent. On second thought, the fin thing might have been a good indication...
I guess there always will be these kids that think they're some sort of righteous warriors by claiming their truth as the one and only path to salvation. But in my experience no rage is as pure as that of a middle-aged man that feel like they're not in control over something that's different.

It doesn't matter if it's traffic that's redirected, their favorite candy bar getting a new wrapper, or buttons changing on their phone. Pure outrage that someone dared make a change without asking for permission first.
 
I have not had an App Store transaction or interaction since 2023. I know others who rarely do anything with Apps or App stores as it relates to their device usage.
Unless you and those others disabled app updates, you'll have had an transaction today.
 
I wonder how well these figures represent the actual level of iOS26 adoption, considering that not everyone “transacts” via App Store regularly or even at all.
The App Store includes updates to current apps. If you have an app on your phone, you transact on the App Store.
 
As others have mentioned, I find it AWFULLY coincidental that Apple’s reporting period is 3 weeks longer this time around AND in the past three weeks I have fielded a BUNCH of calls from p-o’d Apple customers who woke up to i[|Pad]OS 26.2 (even angrier when they learn they are not PERMITTED by Apple to downgrade).
Dark patterns… gets ‘em those metrics every time!
 


Apple has shared updated iOS 26 and iPadOS 26 adoption figures, revealing how many iPhones and iPads are running those software versions.

iOS-26-Feature.jpg

These adoption numbers are based on iPhones and iPads that transacted on the App Store on February 12, 2026, according to Apple.

The statistics are as follows:
  • 74% of all iPhones introduced in the last four years are running iOS 26.
  • 66% of all iPhones are running iOS 26.
  • 66% of all iPads introduced in the last four years are running iPadOS 26.
  • 57% of all iPads are 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 January 21, 2025:
  • 76% of all iPhones introduced in the last four years were running iOS 18.
  • 68% of all iPhones were running iOS 18.
  • 63% of all iPads introduced in the last four years were running iPadOS 18.
  • 53% of all iPads were running iPadOS 18.
At first glance, the iOS 26 and iOS 18 adoption figures appear to be similar, but this is only because Apple released the iOS 26 statistics later than usual. iOS 26's statistics are based on devices that transacted with the App Store approximately 150 days after the update was released to the public, compared to 127 days for iOS 18. In other words, iOS 26 was available for around three weeks longer by comparison.

As was suspected, this means that iOS 26 adoption has officially been slower than iOS 18 adoption, but not to the extent that some earlier, unofficial estimates had claimed. There is no way of knowing exactly why iOS 26 adoption has been slower, but some users have opted to avoid the new Liquid Glass design for now.

iPadOS 26 adoption figures are technically higher than iPadOS 18, but again, note that iPadOS 26 benefitted from three extra weeks of availability.

Article Link: Apple Reveals How Many iPhones Are Running iOS 26
I run os 26 on ipad and os 18 on my phone. os 26 has an interface which adds nothing to the user experience, this is probably the first apple release (and i go back to the pre-multifinder days) where the graphics are just pointless fluff. Always in the past they had a functional use.
 
This is not surprising because the update prompts are pushier and more persistent than ever. Even if the user is paying attention, it's very easy to accidentally start the upgrade even if they don't want to install it (as happened with several of my family members).

As happened to my wife too—and she doesn’t like it. I only installed it on my iPhone out of morbid curiosity, because I didn’t want Liquid Glass on my real work machines (Macs)—but then I had to install it on one of them too to get the latest Xcode features. I think Liquid Glass is absolute UI/UX 💩.

Anyway, yes, you make a very valid point about Apple’s coaxing and tricking users into upgrading.
 
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In other words, 26% of all iPhones released in the last four years have dozens of unpatched security flaws, at least 3 of which are being actively exploited.
I always hear about these exploit-this and security-fear-porn that, but I've never met a single person who has been affected by these things. It's all marketing and planned obsolescence. (This is why OCLP is so helpful in combating electronic waste when it comes to desktop mac life-extension.)
 
Ask your customers how many of them would like to downgrade from iOS 26 and how many would downgrade from iOS 18.

Anyway Apple will never give that choice so I’ll keep my iPhone 16 Pro in iOS 18 for now as well as my family members. Same for mac devices.
 
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