watchOS or Wear OS
SagittIA works with an Apple Watch paired with an iPhone, or with a Wear OS watch paired with a compatible Android phone. In both cases, the SagittIA app must be installable on the watch.
Compatible watches
Apple Watch and Wear OS only
For connected watches, SagittIA is compatible only with Apple Watch running watchOS and watches running Wear OS.
The four detection requirements
Built-in microphone
Microphone permission is required to detect the acoustic impulse associated with the shot.
Acceleration + gyroscope
The watch must provide the linear motion and rotation used by the sensor-fusion algorithm.
Paired phone
The watch is not standalone: Apple Watch requires an iPhone, and a Wear OS watch requires a compatible phone.
The heart-rate sensor is optional. Without it, heart rate cannot be displayed, but shot detection still works if the four requirements above are met.
The two supported ecosystems
Apple Watch
watchOS- SagittIA companion app for Apple Watch
- Used with a paired iPhone
Wear OS watches
Wear OS- Google Pixel Watch, Galaxy Watch and other watches running Wear OS
- Used with a paired compatible phone
Apple Watch running watchOS and watches running Wear OS, subject to the required sensors.
Garmin OS, HarmonyOS, Zepp OS, Fitbit OS, Tizen and every other watch operating system.
Check the operating system, its version, available sensors and compatibility with your phone.
Privacy
The microphone detects an impulse; it does not record the session
Acoustic analysis is performed locally on the watch. Raw audio buffers are neither stored nor transmitted. Only the result useful to the session — for example, the moment of the shot — is used. Watch data is never reused to improve SagittIA or train an AI model.
Useful questions before buying a watch
Can a watch without a heart-rate sensor detect a shot?
Yes, if the microphone, linear acceleration, gyroscope and communication with the phone are available.
Is a watch without a microphone compatible?
Not for the current automatic detection: sensor fusion combines motion and an acoustic impulse.
What is the Apple Watch operating system called?
It is called watchOS. SagittIA supports Apple Watch running watchOS as well as watches running Wear OS.
Garmin, Huawei, Amazfit, Fitbit or an older Tizen Galaxy Watch?
No. SagittIA currently supports no watch operating system other than watchOS and Wear OS.