Apple Watch Series 3 vs. Fitbit Flex 2 vs. Amazfit Stratos vs. LG G Watch vs. Fitbit Alta HR

 
Watch Series 3
Flex 2
Stratos
G Watch
Alta HR
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowLGG WatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$100$199$230$150
Release20172016201820142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days1.5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a320 x 300280 x 280128 x 36
Size1.5 inches or 1.65 inchesn/a1.34 inches1.65 inches1.4 inches
Touchn/a
TypeAMOLEDLEDOLEDIPS LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aProprietaryAndroid Wear
Apps
Music

All Wearables