Fitbit Zip vs. Casio WSD-F20A vs. Amazfit T-Rex vs. Apple Series 6 vs. Fitbit Sense 2

 
Zip
WSD-F20A
T-Rex
Series 6
Sense 2
 FitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$60$399$140$399$300
Release20122018201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months1 day20 daysNot yet6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320360 x 360384 x 480336x336
Sizen/a1.32 inches1.3 inches40mm1.59 inches
Touch
Typen/aLCDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplash Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-inWatchOS 5
Apps
Music

All Wearables