Fitbit Flex 2 vs. Polar M430 vs. Jawbone UP4 vs. Garmin VivoActive 4 vs. HTC re Grip

 
Flex 2
M430
UP4
VivoActive 4
re Grip
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowJawboneUP4Remove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$255$200$349$199
Release20162017201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hoursNA8 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128NA260 x 260160 x 32
Sizen/a1.4 inchNA1.3ionches1.8 inches
Touchn/aNA
TypeLEDLCDNAMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR30NA5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSNA
Apps
MusicNA

All Wearables