Fitbit Flex 2 vs. Garmin Vivosmart vs. Amazfit Bip vs. Fitbit Charge 3 vs. Apple Series 6

 
Flex 2
Vivosmart
Bip
Charge 3
Series 6
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowAmazfitBipRemove Buy NowFitbitCharge 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$170$99.99$150$399
Release20162014201820182020

Activity & Fitness

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

Battery

Duration5 days7 days30 days7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16176 x 17666 x 18384 x 480
Sizen/a1.41 inches1.28 inches.721 inches40mm
Touchn/a
TypeLEDOLEDNAOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables