Polar M400 vs. Microsoft Band 2 vs. Fitbit Ionic vs. Basis Peak vs. HTC re Grip

 
M400
Band 2
Ionic
Peak
re Grip
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowBasisPeakRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$250$299$200$199
Release20142015201720142020

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)4+ days4 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128348x250168 x 144160 x 32
Sizen/a1.36 inches1.421.25 inches1.8 inches
Touch
Typen/aCapacitative TFTOLEDLCDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX750m5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNANA
Apps
Music

All Wearables