Garmin Vivoactive HR vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Polar A370

 
Vivoactive HR
Flex 2
Stratos
Alta HR
A370
 GarminVivoactive HRRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$250$100$199$150$179.95
Release20162016201820172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days5 days5 days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution148 x 205n/a320 x 300128 x 36160 x 80
Size1.38 inchesn/a1.34 inches1.4 inches1.18 inches
Touchn/a
Typen/aLEDOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietary
Apps
Music

All Wearables