Fitbit Flex 2 vs. Amazfit Stratos vs. Amazfit Arc vs. Garmin Vivofit 4

 
Flex 2
Stratos
Arc
Vivofit 4
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$100$199$69.99$79.95
Release2016201820162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days20 days1 year
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 30072 x4088 x 88
Sizen/a1.34 inches0.42 inchesNA
Touchn/a
TypeLEDOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietary
Apps
Music

All Wearables