Fitbit Flex 2 vs. Amazfit Arc vs. Diesel On Full Guard vs. Sony SmartBand vs. Fitbit Versa 2

 
Flex 2
Arc
On Full Guard
SmartBand
Versa 2
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowDieselOn Full GuardRemove Buy NowSonySmartBandRemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$100$69.99$325$100$199
Release20162016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days1 day5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a72 x40454 x 454NA300 x 300
Sizen/a0.42 inches1.4 inchesNA1.34 inches
Touchn/aNA
TypeLEDOLEDOMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67IP67IP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables