Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Charge vs. Garmin Vivosmart HR Plus vs. Apple Watch 7

 
Alta
Watch Series 2
Charge
Vivosmart HR Plus
Watch 7
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$269$130$179$429
Release20162016201420172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7-10 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA160 x 68396 x 484
Sizen/a1.5 inches or 1.65 inchesNA0.5 inches x 0.8 inches1.9 inches
Touchn/aNA
TypeOLEDAMOLEDOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNANAWatchOS 8
Apps
Music

All Wearables