Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Polar A370

 
Alta
Watch Series 2
Alta HR
Charge 3
A370
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$130$269$150$150$179.95
Release20162016201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312128 x 3666 x 18160 x 80
Sizen/a1.5 inches or 1.65 inches1.4 inches.721 inches1.18 inches
Touchn/a
TypeOLEDAMOLEDOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATMWR30

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables