Garmin Forerunner 735XT vs. Fitbit Ionic vs. Fitbit Flex vs. Polar Loop vs. Apple Watch Series 4

 
Forerunner 735XT
Ionic
Flex
Loop
Watch Series 4
 GarminForerunner 735XTRemove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$450$299$100$100$329
Release20162017201320132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days4+ days5 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180348x250NANA384 x 480
Size1.23 inches1.42NANA1.78 inches
Touchn/aNA
Typen/aOLEDLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATM2 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNANAWatch OS 5
Apps
Music

All Wearables