Polar Loop 2 vs. Huawei Watch 2 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Jawbone UP4

 
Loop 2
Watch 2
Forerunner 235
Flex
UP4
 PolarLoop 2Remove Buy NowHuaweiWatch 2Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$120$350$299.99$100$200
Release20152017201720132015

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours9 days5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480215 x 180NANA
Sizen/a1.38 inches1.23 inchesNANA
TouchNANA
TypeLEDP-OLEDMIPLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP685 ATM1 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NANA
Apps
MusicNA

All Wearables