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

 
Loop 2
Ionic
Peak
Flex
GTR
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowBasisPeakRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$120$299$200$100$199
Release20152017201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)4+ days4 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250168 x 144NA454 x 454
Sizen/a1.421.25 inchesNA1.39 inches
TouchNA
TypeLEDOLEDLCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50m5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNANABuild-in
Apps
Music

All Wearables