Pebble Time vs. Polar M600 vs. Polar Loop 2 vs. Amazfit Stratos vs. Apple Watch Series 4

 
Time
M600
Loop 2
Stratos
Watch Series 4
 PebbleTimeRemove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$330$120$199$329
Release20152016201520182018

Activity & Fitness

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

Battery

Duration7 days2 days8 days (without notifications)5 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144240 x 240n/a320 x 300384 x 480
Size1.26 inches1.3 inchesn/a1.34 inches1.78 inches
Touchn/a
Typee-paperTFTLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX82 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aProprietaryWatch OS 5
Apps
Music

All Wearables