Pair Apple Watch with Android: What Actually Works

A developer has published an open-source tool that lets you pair Apple Watch with Android and skip the iPhone step entirely, at least on one specific device combination. The project, called Apple Watch Companion, pairs and activates an Apple Watch Ultra 2 directly from an Android phone, PhoneArena and Android Authority reported last week.

Before anyone treats this as proof that Apple Watch Android compatibility has arrived, the fine print matters. The setup only works on rooted phones, it's been verified on a single hardware pairing, and major features including calls and health syncing still don't function. This is early, one-developer experimentation, not something to build a daily routine around.

What the Apple Watch Companion project can do on Android

Developer Ismail Šojal built Apple Watch Companion to reconstruct Apple's native Bluetooth and IDS pairing and activation flow outside Apple's own ecosystem, publishing the code to a public GitHub repository, PhoneArena reported. The tool targets Android, Linux, and Windows through a shared Flutter-based companion app, with macOS running the same interface on a more limited Bluetooth backend.

Hardware logs reviewed by PhoneArena confirm successful pairing, activation, and a working watch face on the one tested setup: a OnePlus 13 running a rooted build of Android, paired to an Apple Watch Ultra 2 on watchOS 26.2. Once paired, users can check battery status, switch watch faces, and adjust select settings, Android Authority reported.

That's the extent of what's been demonstrated. No other Android device, Apple Watch model, or watchOS version has shown up in testing so far, and PhoneArena described the whole thing as a proof of concept, a side project built by one person, not a finished app. Šojal's own posts on the work say development is ongoing.

What still doesn't work, and what's simply unverified

Calls and health-data integration don't work yet, and the project isn't close to full parity with Apple's own Watch app, according to PhoneArena and Android Authority. On macOS, discovery is implemented, but the full pairing-to-activation path remains unfinished, PhoneArena noted.

Cellular service is a bigger open question than a confirmed limitation. Apple's own setup documentation ties standard cellular activation to an iPhone running the same carrier plan as the watch, with one exception: Apple Watch For Your Kids can activate a cellular watch for a family member who doesn't own an iPhone, though that setup still depends on an organizer's iPhone elsewhere in the account.

Nothing in current reporting on Apple Watch Companion shows whether it can provision cellular service at all. That gap stays unresolved rather than ruled out, which matters for anyone hoping to use an Apple Watch without an iPhone for anything beyond basic Bluetooth functions.

Why rooting raises the stakes

Apple Watch Companion's Android side requires a rooted phone running Magisk, a modification that sits outside normal manufacturer support, Android Authority reported. Rooting isn't automatically catastrophic, but it opens the door to consequences that vary by device, OEM, and carrier.

PhoneArena writer Mariyan Slavov described rooting one of his own Huawei phones years ago by unlocking the bootloader through an obscure regional installation. The phone stopped receiving any updates, and contactless payment along with some health tools stopped working. That's one writer's experience on one specific phone, not a guaranteed outcome for every device someone might root to chase this project, but it illustrates the kind of trade-off on the table.

Prior academic research backs up why rooting keeps showing up as the entry point for this kind of work. The WatchWitch project, published last year, reverse-engineered Apple Watch's wireless protocols for Android and built a working notification-forwarding and health-data tool, according to the research paper. Even that effort required a rooted Android device plus a jailbroken iPhone for key extraction, and its authors acknowledged they never fully reimplemented Bluetooth pairing from scratch, instead relying on intercepting an existing session from a paired iPhone.

If Apple Watch Companion's iPhone-free pairing claim holds up under more testing, it goes further than that prior research managed. That's a meaningful technical claim, but it's still one developer's unreviewed work against an academic team's published, peer-scrutinized limitations.

Alternatives if you already own an iPhone and Apple Watch

For anyone with both an iPhone and an Apple Watch available for initial setup, Merge Watch offers a workable, if imperfect, bridge. An Engadget reviewer tested the app last month on an Apple Watch Series 10 paired with a OnePlus 15 running watchOS 27 and Android 16, and found that notification forwarding worked well, along with message replies from the watch, media playback controls, Google Fit syncing, and access to ECG and sleep data.

The trade-offs are real, and specific to that reviewer's setup. Notifications route through the Merge app itself rather than appearing as native watchOS alerts, the same review reported occasional delays requiring a manual reopen of the watch app, slightly higher battery drain, and a $6-per-month charge to unlock full functionality. Merge Watch still requires activating the Apple Watch with an iPhone first; it doesn't remove that initial dependency, it just manages the ongoing Android connection afterward.

Several Chinese phone makers, including Xiaomi, Oppo, Vivo, and Huawei, have built their own partial workarounds over the years, but every one of them still requires an iPhone for initial Apple Watch activation, and feature support remains incomplete, PhoneArena reported. None of these options, including Apple Watch Companion, currently eliminate an iPhone requirement and deliver full functionality at the same time.

What to do with this right now

Android-only buyers without an Apple Watch already in hand shouldn't treat Apple Watch Companion as a reason to go pick one up. Given its single verified hardware pairing and its missing calling and health features, it isn't a consumer-ready option yet, whatever the headlines suggest.

Anyone who owns both an iPhone and an Apple Watch and wants a working bridge today should look at Merge Watch, weighing the $6 monthly fee and the app-within-an-app notification routing against the convenience. Owners of the exact verified hardware, a OnePlus 13 and an Apple Watch Ultra 2 on watchOS 26.2, who still want to experiment should do it on a spare device rather than a daily driver, given the rooting trade-offs and the unresolved questions around cellular support and broader device compatibility.

Everyone else should keep an eye on the GitHub repository for expanded device support, independent testing, and any security review before giving this a second look. The core claim, pairing and activating an Apple Watch from Android with no iPhone involved, is worth watching. It just isn't proven enough yet to build anything on.