Pebble 2 vs. Polar M600 vs. Fitbit Ionic vs. Fitbit Alta HR vs. Amazfit GTR

 
2
M600
Ionic
Alta HR
GTR
 Pebble2Remove Buy NowPolarM600Remove Buy NowFitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$129$330$299$150$199
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days4+ days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240348x250128 x 36454 x 454
Sizen/a1.3 inches1.421.4 inches1.39 inches
Touchn/a
Typee-paperTFTOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX850m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearFitbit OSBuild-in
Apps
Music

All Wearables