Developer Blog
It’s Time To Exercise With Fitbit OS 3.0
Dec 17th, 2018
This update for Fitbit Ionic and Versa smartwatches will allow developers to easily create custom exercise applications, perform faster on-device calculations, launch other applications, upload files from the device to companion, and experience super fast side-loading with partial installs and compressed bundles. Read more
Announcing Fitbit OS 2.2 - The Versioning!
Oct 5th, 2018
The latest firmware update for the Fitbit Ionic and Versa smartwatches continues the evolution of Fitbit OS, and provides some great new developer functionality. Read more
By Your Command! Meet the Command Line Interface
Aug 23rd, 2018
Today is another exciting landmark in the evolution of the Fitbit OS Software Development Kit (SDK). We’ve created a command-line interface — it’s compatible with macOS, Windows, and Linux, and it allows developers to build and install Fitbit OS projects while using their favorite code editors, and their preferred version control system. Read more
Introducing the ImagePicker & Image API
May 9th, 2018
The latest release of the Fitbit Mobile application added two great new features that allow developers to easily build apps and clock faces which use images directly from a user's mobile phone, or appropriately licensed images downloaded from the internet. Read more
Announcing Fitbit OS 2.0 and Our Brand New Simulator!
Mar 13th, 2018
Introducing the latest awesome offerings for Fitbit developers: Fitbit OS 2.0 and our new multi-device simulator. Developers can now rapidly build applications and clock faces for Fitbit Ionic and the new Fitbit Versa, without having to purchase a device. Read more