Polar M400 vs. Moov Now vs. Pebble Time 2 vs. Fitbit Charge 3 vs. HTC re Grip

 
M400
Now
Time 2
Charge 3
re Grip
 PolarM400Remove Buy NowMoovNowRemove Buy NowPebbleTime 2Remove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$79$199$150$199
Release20142015201620182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months10 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/aNA66 x 18160 x 32
Sizen/an/aNA.721 inches1.8 inches
Touchn/a
Typen/an/ae-paperOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a3 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OSNANA
Apps
Music

All Wearables