Fitbit Flex 2 vs. Fitbit One vs. Asus ZenWatch vs. Sony SmartBand vs. Xiaomi Mi Band 3

 
Flex 2
One
ZenWatch
SmartBand
Mi Band 3
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAsusZenWatchRemove Buy NowSonySmartBandRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$100$100$150$100$44.95
Release20162012201420142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 daysNA5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a320 x 320NA128 x 80
Sizen/an/a1.63 inchesNA0.78 inches
Touchn/aNA
TypeLEDOLEDAMOLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast ResistantIP55IP585 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNA
Apps
Music

All Wearables