Fitbit One vs. Apple Watch Series 2 vs. Fitbit Flex vs. Fossil Gen 5 Smartwatch Carlyle vs. Apple Series 6

 
One
Watch Series 2
Flex
Gen 5 Smartwatch Carlyle
Series 6
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitFlexRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$269$100$295$399
Release20122016201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours5 days1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA328 x 328384 x 480
Sizen/a1.5 inches or 1.65 inchesNA1.3 inches40mm
TouchNA
TypeOLEDAMOLEDLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplast Resistant5ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWear OSWatchOS 5
Apps
Music

All Wearables