Fitbit One vs. Amazfit Bip vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Series 6

 
One
Bip
WSD-F20A
Flex
Series 6
 FitbitOneRemove Buy NowAmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$99.99$399$100$399
Release20122018201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days30 days1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176320 x 320NA384 x 480
Sizen/a1.28 inches1.32 inchesNA40mm
TouchNA
TypeOLEDNALCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplast ResistantIP685 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5
Apps
Music

All Wearables