Which Apple Watch Models Are Compatible With My iPhone?
If you're thinking of buying an Apple Watch but you're not sure if your iPhone is compatible with the one you want, you've come to the right place. This article lists each iPhone model and the Apple Watch models that are compatible with each device.

iPhone 5
- Apple Watch (1st generation)
- Series 1
- Series 2
iPhone 5s
- Apple Watch (1st generation)
- Series 1
- Series 2
- Series 4 (GPS)
iPhone 6 / iPhone 6 Plus
- Apple Watch (1st generation)
- Series 1
- Series 2
- Series 4 (GPS)
- Series 4 (GPS + Cellular)
iPhone 6s / iPhone 6s Plus
- Apple Watch (1st generation)
- Series 1
- Series 2
- Series 3
- Series 4 (GPS)
- Series 4 (GPS + Cellular)
- Series 5
- Series 6
- SE (1st generation)
- Series 7
iPhone 7 / iPhone 7 Plus
- Apple Watch (1st generation)
- Series 1
- Series 2
- Series 3
- Series 4 (GPS)
- Series 4 (GPS + Cellular)
- Series 5
- Series 6
- SE (1st generation)
- Series 7
iPhone 8 / iPhone 8 Plus
- Apple Watch (1st generation)
- Series 1
- Series 2
- Series 3
- Series 4 (GPS)
- Series 4 (GPS + Cellular)
- Series 5
- Series 6
- SE (1st generation)
- Series 7
- Series 8
- SE (2nd generation)
- Ultra
iPhone X
- Apple Watch (1st generation)
- Series 1
- Series 2
- Series 3
- Series 4 (GPS)
- Series 4 (GPS + Cellular)
- Series 5
- Series 6
- SE (1st generation)
- Series 7
- Series 8
- SE (2nd generation)
- Ultra
iPhone XS or Later
- Apple Watch (1st generation)
- Series 1
- Series 2
- Series 3
- Series 4 (GPS)
- Series 4 (GPS + Cellular)
- Series 5
- Series 6
- SE (1st generation)
- Series 7
- Series 8
- SE (2nd generation)
- Ultra
- Series 9
- Ultra 2
Always keep your iPhone's software up-to-date with the latest supported version of iOS, otherwise it may not pair with a compatible Apple Watch. You can do this in your iPhone's Settings app (General ➝ Software Update). The same goes for the Apple Watch you choose. You can check the version of watchOS that it is running by going to the Watch app on your iPhone (My Watch ➝ General ➝ Software Update).
Popular Stories
Apple turns 50 this year, and its CEO Tim Cook has promised to celebrate the milestone. The big day falls on April 1, 2026.
"I've been unusually reflective lately about Apple because we have been working on what do we do to mark this moment," Cook told employees today, according to Bloomberg's Mark Gurman. "When you really stop and pause and think about the last 50 years, it makes your heart ...
While the iOS 26.3 Release Candidate is now available ahead of a public release, the first iOS 26.4 beta is likely still at least a week away. Following beta testing, iOS 26.4 will likely be released to the general public in March or April.
Below, we have recapped known or rumored iOS 26.3 and iOS 26.4 features so far.
iOS 26.3
iPhone to Android Transfer Tool
iOS 26.3 makes it easier...
Apple recently acquired Israeli startup Q.ai for close to $2 billion, according to Financial Times sources. That would make this Apple's second-biggest acquisition ever, after it paid $3 billion for the popular headphone maker Beats in 2014.
This is also the largest known Apple acquisition since the company purchased Intel's smartphone modem business and patents for $1 billion in 2019....
Apple plans to announce the iPhone 17e on Thursday, February 19, according to Macwelt, the German equivalent of Macworld.
The report, citing industry sources, is available in English on Macworld.
Apple announced the iPhone 16e on Wednesday, February 19 last year, so the iPhone 17e would be unveiled exactly one year later if this rumor is accurate. It is quite uncommon for Apple to unveil...
In the iOS 26.4 update that's coming this spring, Apple will introduce a new version of Siri that's going to overhaul how we interact with the personal assistant and what it's able to do.
The iOS 26.4 version of Siri won't work like ChatGPT or Claude, but it will rely on large language models (LLMs) and has been updated from the ground up.
Upgraded Architecture
The next-generation...