Fitbit Flex 2 vs. Apple Watch Series 2 vs. Acer Liquid Leap vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR

 
Flex 2
Watch Series 2
Liquid Leap
On Full Guard 2.5
Inspire HR
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$269$90$325$99
Release20162016201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 to 7 days4 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312128 x 32454x454139 x 60
Sizen/a1.5 inches or 1.65 inches1 inch1.39 inches1.4 inches
Touchn/a
TypeLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMIPX43 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSFitbit OS
Apps
Music

All Wearables