Fitbit Zip vs. Polar M430 vs. Fitbit Charge vs. Fitbit Flex vs. Apple Series 6

 
Zip
M430
Charge
Flex
Series 6
 FitbitZipRemove Buy NowPolarM430Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$60$255$130$100$399
Release20122017201420132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months30 hours7-10 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128NANA384 x 480
Sizen/a1.4 inchNANA40mm
TouchNANA
Typen/aLCDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplash ResistantWR301 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWatchOS 5
Apps
Music

All Wearables