About Coxswain
Coxswain helps you organize your rowing: Connect your Android device to your Waterrower and choose your training program. - record your workout while watching Youtube videos or other media (choose an intent to be executed...
Coxswain helps you organize your rowing: Connect your Android device to your Waterrower and choose your training program.
- record your workout while watching Youtube videos or other media (choose an intent to be executed on training start)
- row against previous workouts
- adjust the workout display (long press to choice from distance, duration, strokes, energy, speed, pulse, stroke rate, stroke ratio, time, split, average split, delta distance, delta duration)
- export your workout to TCX (Training Center XML) to import it into your favorite fitness tracking App or service.
- export your workout to your calendar
- export your workout to Google Fit (experimental)
- read heart rate from your Waterrower, Android sensor or a connected Bluetooth LE/Ant+ device
Your Waterrower S4 can be connected to your Android device
- either via USB-OTG adapter (USB-A-female to USB-micro/USB-C resp.), requires On-The-Go (OTG) support on your device
- or Bluetooth, requires the Waterrower S4 Bluetooth Comm Module (check the revision number printed on it, "S4 comms 36" is not supported)
This app is under development. Please report problems and ideas to https://github.com/svenmeier/coxswain
Previous Versions
Here you can find the changelog of Coxswain since it was posted on our website on 2017-01-18 20:20:50.
The latest version is 8.8 and it was updated on 2026-06-16 00:03:56. See below the changes in each version.
Coxswain version 8.8
Updated At: 2021-06-02
Changes: 8.8
- fixed energy adjustment
- fixed external storage on Android 11
8.6
- show results after workout end
- possible fix for export to Google Fit
- speak seconds
- adjust distance when adjusting speed
- French translation
8.4
- fixed open end to continue rowing
8.3
- zwei weitere Schwierigkeiten für Segmente
- zeige/verstecke Training-Segmente mit Schwierigkeit "Ruhe"
- neue Training Informationstabelle
- Ruderer Reset und Trace verbessert
Coxswain version 8.4
Updated At: 2021-03-20
Changes: 8.4
- fixed open end to continue rowing
8.3
- zwei weitere Schwierigkeiten für Segmente
- zeige/verstecke Training-Segmente mit Schwierigkeit "Ruhe"
- neue Training Informationstabelle
- Ruderer Reset und Trace verbessert
8.2
- improved reset detection
- show toast when rower could not be reset
8.1
- use new gatt api where available
- fixed possible error while reading values via bluetooth
7.8
- fixed Google Fit login
Coxswain version 8.2
Updated At: 2021-01-18
Changes: 8.2
- improved reset detection
- show toast when rower could not be reset
8.1
- use new gatt api where available
- fixed possible error while reading values via bluetooth
7.8
- fixed Google Fit login
7.7
- allow export of application log
7.6
- let speed, strokerate and power drop to 0 when idle
- improved power calculation
Coxswain version 8.1
Updated At: 2021-01-08
Changes: 8.1
- use new gatt api where available
- fixed possible error while reading values via bluetooth
7.8
- fixed Google Fit login
7.7
- allow export of application log
7.6
- let speed, strokerate and power drop to 0 when idle
- improved power calculation
7.5
- updated ANT+ library for Android 10
- filter workouts for selected program
Coxswain version 7.8
Updated At: 2020-11-25
Changes: 7.8
- fixed Google Fit login
7.7
- allow export of application log
7.6
- let speed, strokerate and power drop to 0 when idle
- improved power calculation
7.5
- updated ANT+ library for Android 10
- filter workouts for selected program
7.4
- fixed file access on Android Q
7.3
- notify on low battery of bluetooth devices
- sort programs by name
Coxswain version 7.7
Updated At: 2020-11-24
Changes: 7.7
- allow export of application log
7.6
- let speed, strokerate and power drop to 0 when idle
- improved power calculation
7.5
- updated ANT+ library for Android 10
- filter workouts for selected program
7.4
- fixed file access on Android Q
7.3
- notify on low battery of bluetooth devices
- sort programs by name
Coxswain version 7.6
Updated At: 2020-11-09
Changes: 7.6
- let speed, strokerate and power drop to 0 when idle
- improved power calculation
7.5
- updated ANT+ library for Android 10
- filter workouts for selected program
7.4
- fixed file access on Android Q
7.3
- notify on low battery of bluetooth devices
- sort programs by name
7.2
- fixed premature ending of workout with 1.x revision of ComModule
Coxswain version 7.5
Updated At: 2020-10-19
Changes: 7.5
- updated ANT+ library for Android 10
- filter workouts for selected program
7.4
- fixed file access on Android Q
7.3
- notify on low battery of bluetooth devices
- sort programs by name
7.2
- fixed premature ending of workout with 1.x revision of ComModule
7.1
- reimplemented Google Fit access
- read power in tcx import
Coxswain version 7.4
Updated At: 2020-09-23
Changes: 7.4
- fixed file access on Android Q
7.3
- notify on low battery of bluetooth devices
- sort programs by name
7.2
- fixed premature ending of workout with 1.x revision of ComModule
7.1
- reimplemented Google Fit access
- read power in tcx import
7.0
- write trace for bluetooth rower
- fixed invalid reading via bluetooth at 60 minutes
Coxswain version 7.3
Updated At: 2020-09-20
Changes: 7.3
- notify on low battery of bluetooth devices
- sort programs by name
7.2
- fixed premature ending of workout with 1.x revision of ComModule
7.1
- reimplemented Google Fit access
- read power in tcx import
7.0
- write trace for bluetooth rower
- fixed invalid reading via bluetooth at 60 minutes
Disclaimer
External Download
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