Fitbit Flex 2 vs. Fitbit Ionic vs. Samsung Gear 2 vs. Garmin Vivosmart 3 vs. Apple Watch 7

 
Flex 2
Ionic
Gear 2
Vivosmart 3
Watch 7
 FitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowSamsungGear 2Remove Buy NowGarminVivosmart 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$299$300$139.99$429
Release20162017201420172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days4+ days2-3 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250320 x 32064 x 128396 x 484
Sizen/a1.421.63 inchesNA1.9 inches
Touchn/a
TypeLEDOLEDSuper AMOLEDOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP675 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSTizen OSWatchOS 8
Apps
Music

All Wearables