iPhone Screenshots


Terrene is a simple speedometer and compass app, designed to accurately display your current speed and direction at a glance, so you can focus on driving, riding, or sailing.

With this update, it now includes a barometer and a clock.

My goal is for Terrene to have a handy toolbox of time, motion, environment and navigation related features, using all the capabilities of modern iPhone devices, while ensuring your privacy is kept safe.

What's next?

I've a bunch of ideas for instruments and am currently working on these. I'll be updating the app every week or two, with new instruments and improvements to existing ones.

If you have a great idea for an instrument you believe might fit well into Terrene, please email me (Simon) at ideas@terrene.app or on Twitter @TerreneApp.

What’s New

Version 2021.2

→ Barometer
→ Clock

App Privacy

The developer, SimSoft Technologies, 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 Not Collected

The developer does not collect any data from this app.

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


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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