Pebble Classic vs. Polar M400 vs. Fitbit Alta vs. Misfit Vapor 2 vs. Amazfit T-Rex

 
Classic
M400
Alta
Vapor 2
T-Rex
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowMisfitVapor 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99$200$130$250$140
Release20132014201620182019

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days5 days1 day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a454 x 454360 x 360
Size1.26 inchesn/an/a1.42 inches1.3 inches
Touchn/a
Typee-papern/aOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aWear OSBuild-in
Apps
Music

All Wearables