Rebios provides the best support for tracking sensor data from activity devices, including Watch, and Bluetooth LE Heart Rate Sensors.

Rebios App is not like any other run tracker that's available on the Apple Store.

First, the app is developed by people that loves to run. And the app is easy to use for beginners, and customizable for more advanced users.

Second, Rebios is open. You literally have data in your hand! You can export all your data to spreadsheet format, whenever you like, with the tip of your finger. That way you can analyze your data in Numbers or Microsoft Excel, and get further insight into your training.

As a supplement, your export contains a GPX-file with a map of your route for each of your runs. GPX (the GPS eXchange Format) is a data format for exchanging GPS data between Apps, and for sharing GPS data with other users

This means you can do all the analyzing with no further charges! Your data belongs to yourself and does not end up on some web service you pay for.

This is the mantra behind Rebios: You own your data. You decide what to do with your data.

While you run, the app will collect data about your run. Just tap on the large running man on your phone to start running. Before you start you may configure what kind of data your want to gather. When you are finished running you may do a detailed analysis of you run, as well as compare runs against each other. And if you want to do more advanced analysis, you can just export your data to spreadsheet.

Rebios uses SiriKit, just say “Start a Run with Rebios” or “Stop Run” to Siri, to start or stop your run.

In addition, you can use your Apple Watch to start and stop your run. During your run, you will be able to monitor all the data you track. Just raise your wrist. While running, you can change the currently displayed sensor just by rotating the crown on the side of your watch. When using Apple Watch, Rebios will use HealthKit to track heart rate sensor data from Apple Watch in real time.

if your own an Apple Watch Series 2 or above, you don't even need to bring your phone. Just start your run from Apple Watch, and when you are finished running, all your data will be synchronized to your phone automatically.

The app can connect to Bluetooth 4 LE devices. Currently heart rate monitors are supported.

If you use Microsoft Band 2 you can start and stop your run from your Band. During your run, you can use Band to monitor all your data - and keep your phone in your armband or belt.

In addition, you can observe and compare your runs with the following Band 2 sensors:

- Heart Rate
- Skin Resistance
- Skin Temperature
- RR Interval

Track your weight, and by keeping a record of your weight, you will get the added benefit of being able to monitor the number of calories you burn during your activity.

Use of GPS running in the background can dramatically decrease battery life.