Fitbit Flex 2 vs. Casio WSD-F20A vs. Pebble Core vs. Polar Loop vs. Apple Watch 7

 
Flex 2
WSD-F20A
Core
Loop
Watch 7
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$399$99$100$429
Release20162018201620132021

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days1 dayNA5 days18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NANA396 x 484
Sizen/a1.32 inchesNANA1.9 inches
Touchn/aNA
TypeLEDLCDNALEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA2 ATMwater resistant but not waterproof

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSNANAWatchOS 8
Apps
Music

All Wearables