Zone4 Summit App

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Everyone
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Everyone
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About this app

The Summit App collects times from Zone4 Summit timers over the Summit radio modem and syncs them live to your race on Zone4.

Plug the modem into a Chromebook, or into an Android phone or tablet with a USB-C OTG adapter. Log in to your club once, start communication, and sync the Summit clocks. Times arrive within a second or two and go straight to Zone4. If the internet drops, the app keeps collecting and syncs everything when the connection is back.

• Finds your Summits automatically and shows when each was last heard
• Syncs the Summit clocks to the device's time
• Keeps times on the device until Zone4 confirms it has them
• Doesn't re-send times after a clock re-sync
• Keeps collecting with the screen off or another app in front
• Shows low-battery warnings from the Summits
• Reconnects by itself if the modem is unplugged

You need Zone4 Summit timers, the Summit radio modem, and a Zone4 club login. The app is also available for Windows, Mac and Linux.

Help and setup guide: https://help.zone4.ca/kb/summit-app/
Collect times from Summit timers over the radio modem and sync them to Zone4.
Updated on
Nov 1, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    App activity and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

First Android release: collect Summit times over the radio modem on Android phones, tablets and Chromebooks, and sync them to Zone4.
Content rating
Everyone
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App support

About the developer
Zone4 Systems Inc
support@zone4.ca
205-820 Main St Canmore, AB T1W 2B7 Canada
+1 888-444-0199