Fitbit Alta vs. Microsoft Band 2 vs. Amazfit Bip vs. Fitbit Charge 3 vs. Michael Kors Access Sofie HR

 
Alta
Band 2
Bip
Charge 3
Access Sofie HR
 FitbitAltaRemove Buy NowMicrosoftBand 2Remove Buy NowAmazfitBipRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$250$99.99$150$395
Release20162015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)30 days7 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 128176 x 17666 x 18390 x 390
Sizen/a1.36 inches1.28 inches.721 inches1.19 inches
Touchn/a
TypeOLEDCapacitative TFTNAOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX7IP685 ATM0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables