Xiaomi Mi Band 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Fitbit Flex

 
Mi Band 2
Stratos
Alta HR
Flex
 XiaomiMi Band 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$23$199$150$100
Release2016201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration20 hours5 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300128 x 36NA
Size0.42 inches1.34 inches1.4 inchesNA
TouchNA
TypeOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables