Fitbit Flex 2 vs. Acer Liquid Leap vs. Fitbit Charge vs. Fitbit Charge HR vs. Apple Watch Ultra

 
Flex 2
Liquid Leap
Charge
Charge HR
Watch Ultra
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$90$130$150$799
Release20162015201420152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days7-10 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32NANA502x410 pixels
Sizen/a1 inchNANA1.92 inches
Touchn/aNANA
TypeLEDOLEDOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX41 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWatchOS 9
Apps
Music

All Wearables