Developer Blog
chevron down

Developer Blog

It’s Time To Exercise With Fitbit OS 3.0

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!

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

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

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!

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