Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Amazfit Arc vs. Apple Watch 7

 
Alta
Charge 2
Watch Series 2
Arc
Watch 7
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitArcRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$150$269$69.99$429
Release20162016201620162021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 31272 x40396 x 484
Sizen/an/a1.5 inches or 1.65 inches0.42 inches1.9 inches
Touchn/an/a
TypeOLEDOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5ATMIP67water resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSWatchOS 8
Apps
Music

All Wearables