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

 
Alta
Watch Series 2
Arc
Watch Series 4
Sense 2
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitArcRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$269$69.99$329$300
Release20162016201620182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours20 daysNot Yet6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 31272 x40384 x 480336x336
Sizen/a1.5 inches or 1.65 inches0.42 inches1.78 inches1.59 inches
Touchn/a
TypeOLEDAMOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIP67Not Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWatch OS 5
Apps
Music

All Wearables