Fitbit Alta vs. Apple Watch vs. Garmin Forerunner 235 vs. Polar A370 vs. Apple Watch Series 4

 
Alta
Watch
Forerunner 235
A370
Watch Series 4
 FitbitAltaRemove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$349$299.99$179.95$329
Release20162015201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours9 daysUp to 3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312215 x 180160 x 80384 x 480
Sizen/a1.5 inches or 1.65 inches1.23 inches1.18 inches1.78 inches
Touchn/a
TypeOLEDAMOLEDMIPTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX75 ATMWR30Not Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWatch OS 5
Apps
Music

All Wearables