Polar M600 vs. Fitbit Flex 2 vs. Polar Loop 2 vs. Amazfit Bip

 
M600
Flex 2
Loop 2
Bip
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy Now

Basic Info

Suggested Price$330$100$120$99.99
Release2016201620152018

Activity & Fitness

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

Battery

Duration2 days5 days8 days (without notifications)30 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a176 x 176
Size1.3 inchesn/an/a1.28 inches
Touchn/an/a
TypeTFTLEDLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM2 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/a
Apps
Music

All Wearables