Pebble Classic vs. Fitbit Alta vs. Fitbit Charge 3 vs. Polar A370 vs. Apple Watch Series 4

 
Classic
Alta
Charge 3
A370
Watch Series 4
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$99$130$150$179.95$329
Release20132016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days7 daysUp to 3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution168 x 144n/a66 x 18160 x 80384 x 480
Size1.26 inchesn/a.721 inches1.18 inches1.78 inches
Touchn/a
Typee-paperOLEDOLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMWR30Not Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aNAWatch OS 5
Apps
Music

All Wearables