Fitbit Flex 2 vs. Mobvoi TicWatch E vs. Polar A370 vs. Xiaomi Mi Band vs. Xiaomi Mi Band 4

 
Flex 2
TicWatch E
A370
Mi Band
Mi Band 4
 FitbitFlex 2Remove Buy NowMobvoiTicWatch ERemove Buy NowPolarA370Remove Buy NowXiaomiMi BandRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$159$179.95$15$25
Release20162017201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1.5-2 daysUp to 3 days30 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a400 x 400160 x 80NA120x240
Sizen/a1.4 inches1.18 inchesNA0.95 inches
Touchn/aNA
TypeLEDOLEDTFT LCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67WR30IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAAMAZFIT OS
Apps
Music

All Wearables