Protern Sync 4+

Train Smarter, Improve Faster


Designed for iPad

    • Free


Description gives you access to detailed data anywhere on the ski course. You’re no longer limited to one split time. The Sensor, a high-speed high-accuracy GPS sensor collects 5,000 data points per run.

Use to see the gates where time was lost. You can understand how different skiers carry their speed through the run. Access powerful information that until now, has been hidden.

Train smarter.

Customers include world cup teams and athletes for Switzerland, Sweden, Canada, Austria, Norway, Germany, France, US, as well as club/regional teams across North America and Europe.

All skiers need to do is turn on their Sensor, a high-accuracy high-speed GPS, and go. Coaches and athletes can get time and speed information (0.04s time and 0.5km/h speed accuracy) for anywhere on the course at any time.

Use the Sync app to upload the sensor data to the cloud for detailed analysis immediately after a run.

An athlete can use the app to sync their own sensor, or a coach can sync 20 or more sensors. lets you compare runs between a single or multiple athletes. With detailed time and speed data for every meter skied, skiers can see exactly where they are loosing time and speed immediately after their run.

- Designed, trusted and used by the world's best athletes and coaches
- Small 35 gram (1.2 ounce) sensor sits on the back and records data from all four GNSS constellations (GPS, Galileo, BeiDou, GLONASS) for the most accurate data
- Set splits anywhere on the course at any time
- Compare detailed run data across athletes immediately after their sensors are synced

What’s New

Version 1.3

There is an embedded web view of

App Privacy

The developer, Proskida, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Health & Fitness
  • Contact Info
  • Identifiers
  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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