Fitbit Flex vs. Fitbit Versa 2 vs. Garmin VivoActive 4 vs. Apple Watch 7 vs. Apple Watch Ultra

 
Flex
Versa 2
VivoActive 4
Watch 7
Watch Ultra
 FitbitFlexRemove Buy NowFitbitVersa 2Remove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 7Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$199$349$429$799
Release20132019201920212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days18 Hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA300 x 300260 x 260396 x 484502x410 pixels
SizeNA1.34 inches1.3ionches1.9 inches1.92 inches
TouchNA
TypeLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM5 ATMwater resistant but not waterproof10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-inWear OSWatchOS 8WatchOS 9
Apps
Music

All Wearables