Fitbit offers a way for you to track your steps even if you do not have a Fitbit device or if you have a Fitbit but have forgotten to wear it. This is called Fitbit Mobile Track. Fitbit Mobile Track is available for Android, iPhone, and Microsoft phones. The following is directly from Fitbit's own help forum on Mobile Track:
1. From Your Phone
Check Phone Compatibility with the Fitbit Mobile App
Click here to check if your phone is compatible with the Fitbit app. If your phone is compatible with Fitbit, continue to step 2. If your phone is not compatible with Fitbit try a different app such as Argus.
Download Fitbit
Download the Fitbit app from the Apple App Store, Google Play Store, or Windows Store.
Join Fitbit
Tap Join Fitbit if you don’t have an account with Fitbit yet.
Choose Mobile Track Option
When asked which tracker you’re setting up, choose “No Fitbit Yet?” and follow the MobileTrack instructions.
