Fitbit Alta vs. Apple Watch Series 2 vs. Garmin Forerunner 935 vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Alta
Watch Series 2
Forerunner 935
Flex
Vivosmart 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowGarminForerunner 935Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$269$500$100$130
Release20162016201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursUp to 2 weeks5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240NA48 x 128
Sizen/a1.5 inches or 1.65 inches1.2 inchesNA0.74 inches
Touchn/aNA
TypeOLEDAMOLEDLCDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables