Fitbit Blaze vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar A370 vs. Apple Watch 7

 
Blaze
WSD-F20A
Flex
A370
Watch 7
 FitbitBlazeRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$399$100$179.95$429
Release20162018201320172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days1 day5 daysUp to 3 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA160 x 80396 x 484
Sizen/a1.32 inchesNA1.18 inches1.9 inches
TouchNA
TypeLCDLCDLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMWR30water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 8
Apps
Music

All Wearables