Fitbit Flex 2 vs. Amazfit Stratos vs. Jawbone UP4 vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Flex 2
Stratos
UP4
Vivosmart 4
GTS
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowJawboneUP4Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$199$200$130$150
Release20162018201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300NA48 x 128348 x 442
Sizen/a1.34 inchesNA0.74 inches1.65 inches
Touchn/aNA
TypeLEDOLEDNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OS
Apps
MusicNA

All Wearables