Fitbit Flex 2 vs. Moov Now vs. Fitbit Charge vs. Diesel On Full Guard 2.5 vs. Apple Watch Ultra

 
Flex 2
Now
Charge
On Full Guard 2.5
Watch Ultra
 FitbitFlex 2Remove Buy NowMoovNowRemove Buy NowFitbitChargeRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$79$130$325$799
Release20162015201420182022

Activity & Fitness

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

Battery

Duration5 days6 months7-10 days4 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA454x454502x410 pixels
Sizen/an/aNA1.39 inches1.92 inches
Touchn/an/aNA
TypeLEDn/aOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OSWatchOS 9
Apps
Music

All Wearables