Pebble Time vs. Polar Loop 2 vs. Fitbit Charge HR vs. Fitbit Flex vs. HTC re Grip

 
Time
Loop 2
Charge HR
Flex
re Grip
 PebbleTimeRemove Buy NowPolarLoop 2Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$120$150$100$199
Release20152015201520132020

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)5 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/aNANA160 x 32
Size1.26 inchesn/aNANA1.8 inches
TouchNANA
Typee-paperLEDOLEDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNANANA
Apps
Music

All Wearables