Fitbit Flex 2 vs. Basis Peak vs. Polar Loop vs. Amazfit GTR

 
Flex 2
Peak
Loop
GTR
 FitbitFlex 2Remove Buy NowBasisPeakRemove Buy NowPolarLoopRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$200$100$199
Release2016201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a168 x 144NA454 x 454
Sizen/a1.25 inchesNA1.39 inches
Touchn/a
TypeLEDLCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANABuild-in
Apps
Music

All Wearables