Motorola Moto 360 Sport vs. Fitbit Flex 2 vs. Polar A360 vs. Amazfit Stratos vs. Xiaomi Mi Band 4

 
Moto 360 Sport
Flex 2
A360
Stratos
Mi Band 4
 MotorolaMoto 360 SportRemove Buy NowFitbitFlex 2Remove Buy NowPolarA360Remove Buy NowAmazfitStratosRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$199$100$200$199$25
Release20162016201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swimn/a

Battery

Durationn/a5 days12 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 80320 x 300120x240
Size1.37 inchesn/a1.18 inches1.34 inches0.95 inches
Touchn/a
TypeLCDLEDn/aOLEDAMOLED

Functions

Audio Speakern/a
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/a5 ATMWR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aProprietaryAMAZFIT OS
Apps
Musicn/a

All Wearables