Fitbit Alta vs. Garmin Forerunner 235 vs. Polar A370 vs. Apple Watch Series 4 vs. Apple Watch Series 5

 
Alta
Forerunner 235
A370
Watch Series 4
Watch Series 5
 FitbitAltaRemove Buy NowGarminForerunner 235Remove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$130$299.99$179.95$329$329
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 daysUp to 3 daysNot YetNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180160 x 80384 x 480384 x 480
Sizen/a1.23 inches1.18 inches1.78 inches1.78 Inches
Touchn/a
TypeOLEDMIPTFT LCDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMWR30Not YetNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OS 5WatchOS 5
Apps
Music

All Wearables