Apple Watch Series 3 vs. Fitbit Ionic vs. Fitbit Flex vs. LG G Watch R vs. Amazfit GTR

 
Watch Series 3
Ionic
Flex
G Watch R
GTR
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowLGG Watch RRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$329$299$100$300$199
Release20172017201320142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days5 days2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250NA320 x 320454 x 454
Size1.5 inches or 1.65 inches1.42NA1.3 inches1.39 inches
TouchNA
TypeAMOLEDOLEDLEDP-OLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m1 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSNAAndroid WearBuild-in
Apps
Music

All Wearables