Fitbit Alta vs. Acer Liquid Leap vs. Fitbit Flex vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Alta
Liquid Leap
Flex
Watch Ultra
Sense 2
 FitbitAltaRemove Buy NowAcerLiquid LeapRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$90$100$799$300
Release20162015201320222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days5 days36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32NA502x410 pixels336x336
Sizen/a1 inchNA1.92 inches1.59 inches
Touchn/aNA
TypeOLEDOLEDLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX41 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWatchOS 9
Apps
Music

All Wearables