See your LifeSpan TR1200-DT3 progress add up
Treadmill Pro keeps a running history of every session on your LifeSpan TR1200-DT3: distance, pace, and calories, so you can compare this month to last month at a glance.
Rate every run to remember how it felt
A quick star rating after each TR1200-DT3 session helps you spot patterns, like which paces feel sustainable and which ones deserve a slower build-up.
One combined health record
Because every LifeSpan TR1200-DT3 workout lands in Apple Health alongside your other activity, your treadmill sessions are never a separate, disconnected log.
How to connect your LifeSpan TR1200-DT3
- 1
Open the app with Bluetooth on
Make sure your iPhone's Bluetooth is enabled, then launch Treadmill Pro.
- 2
Select the LifeSpan TR1200-DT3 from the scan
The app scans continuously in the background of the Devices screen. As soon as your LifeSpan TR1200-DT3 appears, tap to connect.
- 3
Run your session end to end
Control every part of your workout from your iPhone, and Treadmill Pro saves the results to Apple Health the moment you stop.
Frequently asked questions
Does Treadmill Pro work with the LifeSpan TR1200-DT3?
Yes. The LifeSpan TR1200-DT3 is on our confirmed-compatible device list. Open Treadmill Pro on your iPhone, and it will discover your treadmill automatically over Bluetooth, no manual setup needed.
What do I need to control my LifeSpan TR1200-DT3 from my phone?
Just an iPhone running iOS 15 or later with Bluetooth enabled, and the free Treadmill Pro app from the App Store. No extra hardware, dongles, or accessories are required.
Is the LifeSpan TR1200-DT3 app free?
Treadmill Pro is free to download. Bluetooth connection, speed and incline control, and workout tracking are all included at no cost. An optional Pro upgrade unlocks additional features for users who want more.