Amazfit Bip vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar A370 vs. Fitbit Sense 2

 
Bip
WSD-F20A
Flex
A370
Sense 2
 AmazfitBipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$99.99$399$100$179.95$300
Release20182018201320172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days1 day5 daysUp to 3 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176320 x 320NA160 x 80336x336
Size1.28 inches1.32 inchesNA1.18 inches1.59 inches
TouchNA
TypeNALCDLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNA
Apps
Music

All Wearables