Amazfit Bip vs. Jaybird Reign vs. Polar Loop vs. Xiaomi Mi Band 4

 
Bip
Reign
Loop
Mi Band 4
 AmazfitBipRemove Buy NowJaybirdReignRemove Buy NowPolarLoopRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$99.99$150$100$25
Release2018201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution176 x 176NANA120x240
Size1.28 inchesNANA0.95 inches
TouchNA
TypeNALEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68NA2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAAMAZFIT OS
Apps
Music

All Wearables