Polar M400 vs. Acer Liquid Leap vs. Pebble Time 2 vs. Garmin Forerunner 45 vs. Fitbit Inspire HR

 
M400
Liquid Leap
Time 2
Forerunner 45
Inspire HR
 PolarM400Remove Buy NowAcerLiquid LeapRemove Buy NowPebbleTime 2Remove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$90$199$199$99
Release20142015201620192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 to 7 days10 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32NA208 x 208139 x 60
Sizen/a1 inchNA1.04 inches1.4 inches
Touch
Typen/aOLEDe-paperLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX43 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSBuilt-inFitbit OS
Apps
Music

All Wearables