Pebble 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Fitbit Flex vs. Polar Loop

 
2
ZenWatch 3
Alta HR
Flex
Loop
 Pebble2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$129$229$150$100$100
Release20162017201720132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days48 hours7 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400128 x 36NANA
Sizen/a1.39 inches1.4 inchesNANA
TouchNA
Typee-paperAMOLEDOLEDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 2NANA
Apps
Music

All Wearables