Fitbit Alta vs. Amazfit Stratos vs. Amazfit Arc vs. Casio WSD-F20A vs. Fitbit Sense 2

 
Alta
Stratos
Arc
WSD-F20A
Sense 2
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$199$69.99$399$300
Release20162018201620182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days20 days1 day6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 30072 x40320 x 320336x336
Sizen/a1.34 inches0.42 inches1.32 inches1.59 inches
Touchn/a
TypeOLEDOLEDOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryWear OS
Apps
Music

All Wearables