Fitbit Charge 2 vs. Fitbit One vs. Apple Watch Series 2 vs. Fitbit Flex vs. Apple Series 6

 
Charge 2
One
Watch Series 2
Flex
Series 6
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$100$269$100$399
Release20162012201620132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days18 hours5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312NA384 x 480
Sizen/an/a1.5 inches or 1.65 inchesNA40mm
Touchn/aNA
TypeOLEDOLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aSplast Resistant5ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSNAWatchOS 5
Apps
Music

All Wearables