Fitbit Flex 2 vs. Fitbit One vs. Garmin Vivofit 3 vs. Apple Watch Series 2 vs. Apple Watch 7

 
Flex 2
One
Vivofit 3
Watch Series 2
Watch 7
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarminVivofit 3Remove Buy NowAppleWatch Series 2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$100$100$269$429
Release20162012201620162021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days1 year18 hours18 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/a64 x 64340 x 272 or 390 x 312396 x 484
Sizen/an/a0.55 inches1.5 inches or 1.65 inches1.9 inches
Touchn/a
TypeLEDOLEDn/aAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

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

All Wearables