Fitbit Flex 2 vs. Apple Watch Series 2 vs. Polar M430 vs. Garmin 645 Music vs. Fitbit Flex

 
Flex 2
Watch Series 2
M430
645 Music
Flex
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowPolarM430Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$269$255$450$100
Release20162016201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours30 hours7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312128x128240 x 240NA
Sizen/a1.5 inches or 1.65 inches1.4 inch1.2 inchesNA
Touchn/aNA
TypeLEDAMOLEDLCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMWR305 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables