Fitbit Alta vs. Garmin Forerunner 935 vs. Amazfit Stratos vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Alta
Forerunner 935
Stratos
Flex
Vivosmart 4
 FitbitAltaRemove Buy NowGarminForerunner 935Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$500$199$100$130
Release20162017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 300NA48 x 128
Sizen/a1.2 inches1.34 inchesNA0.74 inches
Touchn/aNA
TypeOLEDLCDOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables