1. Overview
Velo 5K is a Couch to 5K running trainer for iPhone and Apple Watch. We do not run user accounts, do not serve ads, and do not collect analytics or telemetry from inside the app.
2. Information Velo 5K processes
Velo 5K may process the following data on your device:
- Workout completion records (workout ID, date, duration, estimated distance)
- User preferences (audio volume, voice gender, mute state, distance units, reminder schedule)
- Apple Health data: body weight (read, optional), workout records (written)
- Heart rate data collected by Apple Watch sensors during workouts
- Workout state synced between your iPhone and paired Apple Watch
3. Where data is stored
All data is stored locally on your device:
- Workout history and settings are saved in local iOS storage (UserDefaults)
- Health and fitness data is saved in Apple Health (encrypted by Apple)
- No data is uploaded to our servers
4. Network use
Velo 5K does not connect to the internet. The app makes zero network requests. Data transfers occur only between your iPhone and Apple Watch over local Bluetooth or Wi-Fi using Apple's WatchConnectivity framework.
5. Permissions
Velo 5K may request:
- Apple Health — to read your body weight (for calorie estimation) and save completed workouts
- Notifications — to send workout reminders and alert you when a workout starts
- Background audio — to continue voice cues and the workout timer when your screen locks
6. Apple Health
With your permission, Velo 5K saves workout data to Apple Health:
- iPhone saves estimated distance and calories based on the workout program
- Apple Watch saves real sensor data including heart rate, distance, and active calories
- Body weight is read from Apple Health only to personalize calorie estimates. If not shared, a default value is used.
Health data is stored in Apple Health's encrypted database and is never transmitted off your device by Velo 5K.
7. Health disclaimer
Velo 5K is designed for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Consult your physician or other healthcare professional before starting this or any exercise program, particularly if you have a pre-existing health condition. If you experience dizziness, pain, or shortness of breath while exercising, stop immediately and seek medical attention. Use of the app is at your own risk.
8. Apple Watch
If you have an Apple Watch, Velo 5K syncs workout state between your iPhone and Watch during active workouts. This includes interval progress, pause/resume state, and heart rate. Data is sent over Apple's encrypted WatchConnectivity framework and is not stored permanently on the Watch.
9. Data sharing
- We do not sell personal information
- We do not share your data with data brokers, advertisers, or any third party
- The app contains no third-party analytics, crash reporting, or tracking SDKs
10. Data retention and deletion
You control your data:
- Reset all workout progress in the app's Settings at any time
- Workouts saved to Apple Health can be deleted through the Health app
- Uninstalling the app removes all locally stored data
- Revoke permissions at any time in iOS Settings
11. Children's privacy
Velo 5K is not directed to children under 13, and we do not knowingly collect personal information from children.
12. Changes to this policy
We may update this policy from time to time. Updated versions will be posted at this URL with a revised effective date.
13. Contact
Questions about privacy? Email us at:
subfreestudios@gmail.com