Pebble 2 vs. Polar M400 vs. Acer Liquid Leap vs. Fitbit Flex vs. Garmin VivoActive 4

 
2
M400
Liquid Leap
Flex
VivoActive 4
 Pebble2Remove Buy NowPolarM400Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$129$200$90$100$349
Release20162014201520132019

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 to 7 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 32NA260 x 260
Sizen/an/a1 inchNA1.3ionches
TouchNA
Typee-papern/aOLEDLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIPX41 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNAWear OS
Apps
Music

All Wearables