Polar Loop 2 vs. Fitbit Flex vs. Polar Loop vs. HTC re Grip vs. Apple Watch 7

 
Loop 2
Flex
Loop
re Grip
Watch 7
 PolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$100$100$199$429
Release20152013201320202021

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days5 days5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA160 x 32396 x 484
Sizen/aNANA1.8 inches1.9 inches
TouchNA
TypeLEDLEDLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM2 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANAWatchOS 8
Apps
Music

All Wearables