Speed Over Ground

An app to measure speed based on device location.

Works on WearOS watches and Android phones.

App Features

Measure speed. Designed for sailing. Free. No ads.

My son and I joined sailing community a few months ago. Sailing is great. The sailing clubs in Monterey, Berkeley and Sausalito are awesome. I am currently learning advanced sail trimming and preparing for ASA 118. Adjusting the trim, feeling the power of the wind, and watching the boat increasing the speed is a lot of fun. There are a few nice phone apps for speed measuring. I've used them a lot, and ... dropped my phone in the bay by an accident. I was lucky to recover it thanks to a diver in Sausalito club. :) I've tried to search an app for my Android watch, and could not find any. So, Claude, Gemini, and I wrote one. :) I've been using it for a while. It is pretty accurate and easy to read on the sun. So, I am sharing it with my clubs and the wider sailing community. Enjoy!

- Mykola

Optimized for sailing

The screen colors can be adjusted in the app Settings. The Settings are displayed upon a long-click on the display.

Accurate Measurements

The app measurements are matching the sailboat dashboard.

Works in an ambient mode. Saves the watch battery.

The app is using a precise GPS location. No personal data is collected. Please see Privacy Policy for more details.

The app is available on Android Watches and Phones.

Installation

The app is available on Google Play store.

There are two versions of the app - for an Android phone and for an Android Watch. The app can be installed on the Watch directly using Play Store in a web browser.

Please send me an email at dzyubalabs@gmail.com if you any issues with installing the app. Thank you!

Supported Devices

Android Phones

Runs on: any phone with Android 8.0 (Oreo, 2017) or later — which is the vast majority of Android phones in use today.

Requirements:

GPS / location hardware — the app's whole purpose is GPS speed (FusedLocationProviderClient), so it needs a device with location.
Google Play Services — it uses play-services-location, so it won't work on phones without Google services (e.g. some Huawei models or AOSP-only builds).
Permissions: ACCESS_FINE_LOCATION and ACCESS_COARSE_LOCATION.

Android Watches

The App targets: Wear OS 3+ (minSdk 30 = Wear OS 3.0). Here are supported devices:

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