Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Michael Kors Access Sofie

 
Alta
Flex 2
Ionic
645 Music
Access Sofie
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy Now

Basic Info

Suggested Price$130$100$299$450$395
Release20162016201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4+ days7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250240 x 240390 x 390 1.19 inches
Sizen/an/a1.421.2 inches
Touchn/an/aAMOLDED
TypeOLEDLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM50m5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aFitbit OSAndroid Wear 2.0
Apps
Music

All Wearables