Fitbit Alta vs. Fitbit Flex 2 vs. Basis Peak vs. Garmin 645 Music vs. Michael Kors Access Sofie HR

 
Alta
Flex 2
Peak
645 Music
Access Sofie HR
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowBasisPeakRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$100$200$450$395
Release20162016201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4 days7 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a168 x 144240 x 240390 x 390
Sizen/an/a1.25 inches1.2 inches1.19 inches
Touchn/an/a
TypeOLEDLEDLCDMIPOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables