Polar M600 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. HTC re Grip

 
M600
Flex 2
Ionic
re Grip
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$100$299$199
Release2016201620172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days4+ days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a348x250160 x 32
Size1.3 inchesn/a1.421.8 inches
Touchn/an/a
TypeTFTLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM50mIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSNA
Apps
Music

All Wearables