Fitbit Alta vs. Amazfit Arc vs. Apple Watch Series 4 vs. Fitbit Inspire HR vs. Fitbit Sense 2

 
Alta
Arc
Watch Series 4
Inspire HR
Sense 2
 FitbitAltaRemove Buy NowAmazfitArcRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$69.99$329$99$300
Release20162016201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 daysNot Yet5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40384 x 480139 x 60336x336
Sizen/a0.42 inches1.78 inches1.4 inches1.59 inches
Touchn/a
TypeOLEDOLEDMicroLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP67Not Yet5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OS 5Fitbit OS
Apps
Music

All Wearables