Fitbit Alta vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Amazfit GTS vs. Apple Watch 7

 
Alta
Flex 2
Vivosmart HR
GTS
Watch 7
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$100$170$150$429
Release20162016201520192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days14 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 68348 x 442396 x 484
Sizen/an/a1.08 inches1.65 inches1.9 inches
Touchn/an/a
TypeOLEDLEDn/aAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWear OSWatchOS 8
Apps
Music

All Wearables