Fitbit Charge 2 vs. Fitbit One vs. Apple Watch Series 2 vs. Fitbit Alta HR vs. Apple Watch 7

 
Charge 2
One
Watch Series 2
Alta HR
Watch 7
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$100$269$150$429
Release20162012201620172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days18 hours7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312128 x 36396 x 484
Sizen/an/a1.5 inches or 1.65 inches1.4 inches1.9 inches
Touchn/a
TypeOLEDOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant5ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWatchOS 8
Apps
Music

All Wearables