Polar M600 vs. Garmin Vivosmart HR vs. Acer Liquid Leap vs. Fitbit Flex vs. HTC re Grip

 
M600
Vivosmart HR
Liquid Leap
Flex
re Grip
 PolarM600Remove Buy NowGarminVivosmart HRRemove Buy NowAcerLiquid LeapRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$170$90$100$199
Release20162015201520132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 to 7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240160 x 68128 x 32NA160 x 32
Size1.3 inches1.08 inches1 inchNA1.8 inches
Touchn/aNA
TypeTFTn/aOLEDLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIPX41 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables