Fitbit Flex 2 vs. Basis Peak vs. Fitbit Flex vs. Polar Loop vs. Apple Watch Series 4

 
Flex 2
Peak
Flex
Loop
Watch Series 4
 FitbitFlex 2Remove Buy NowBasisPeakRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$200$100$100$329
Release20162014201320132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days5 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a168 x 144NANA384 x 480
Sizen/a1.25 inchesNANA1.78 inches
Touchn/aNA
TypeLEDLCDLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM2 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANAWatch OS 5
Apps
Music

All Wearables