Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Charge HR vs. Fitbit Flex vs. Garmin Vivosmart HR Plus

 
Alta
Watch Series 2
Charge HR
Flex
Vivosmart HR Plus
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$130$269$150$100$179
Release20162016201520132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NANA160 x 68
Sizen/a1.5 inches or 1.65 inchesNANA0.5 inches x 0.8 inches
Touchn/aNANA
TypeOLEDAMOLEDOLEDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNANANA
Apps
Music

All Wearables