Polar M400 vs. Moov Now vs. Xiaomi Mi Band 2 vs. Motorola Moto 360 (1st Gen) vs. HTC re Grip

 
M400
Now
Mi Band 2
Moto 360 (1st Gen)
re Grip
 PolarM400Remove Buy NowMoovNowRemove Buy NowXiaomiMi Band 2Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$79$23$150$199
Release20142015201620142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration8 hours to 30 days6 months20 hours1 day5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 260160 x 32
Sizen/an/a0.42 inches1.56 inches1.8 inches
Touchn/a
Typen/an/aOLEDLCDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aIP67IP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearNA
Apps
MusicNA

All Wearables