Pebble Time Round vs. Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Flex vs. Polar A370

 
Time Round
ZenWatch
Alta HR
Flex
A370
 PebbleTime RoundRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$150$150$100$179.95
Release20152014201720132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysNA7 days5 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320128 x 36NA160 x 80
Sizeround1.63 inches1.4 inchesNA1.18 inches
TouchNA
Typee-paperAMOLEDOLEDLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP551 ATMWR30

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemPebble OSAndroid WearNA
Apps
Music

All Wearables