Samsung Gear Fit is a fitness band from Samsung. The Gear Fit needs to be connected to a Samsung smartphone to exchange information. This fitness band has tracking capabilities and also a heart rate sensor which can tell whats your current heart rate. It also has GPS capability for tracking location. Gear Fit has a low power and low-end CPU. It runs a Samsung's custom wearable OS which isn't based in Android neither Tizen. Samsung has released the Gear Fit SDK for developers. The SDK comes with an emulator that animates what you can do with the device and emulates your custom built apps.