Fitbit Flex 2 vs. Sony SmartBand 2 vs. Xiaomi Mi Band vs. HTC re Grip

 
Flex 2
SmartBand 2
Mi Band
re Grip
 FitbitFlex 2Remove Buy NowSonySmartBand 2Remove Buy NowXiaomiMi BandRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$130$15$199
Release2016201520152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days30 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/aNA
Resolutionn/an/aNA160 x 32
Sizen/an/aNA1.8 inches
Touchn/an/aNA
TypeLEDn/aNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP58IP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables