Fitbit Alta vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Asus VivoWatch vs. Garmin 645 Music

 
Alta
Flex 2
Watch Series 2
VivoWatch
645 Music
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAsusVivoWatchRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$130$100$269$160$450
Release20162016201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours24 hours to 10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312128 x 128240 x 240
Sizen/an/a1.5 inches or 1.65 inchesNA1.2 inches
Touchn/an/a
TypeOLEDLEDAMOLEDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATM5ATMIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSKoodOS
Apps
Music

All Wearables