Pebble Time Round vs. Polar Loop 2 vs. Polar A370 vs. Fitbit Inspire HR

 
Time Round
Loop 2
A370
Inspire HR
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$200$120$179.95$99
Release2015201520172019

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)Up to 3 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 80139 x 60
Sizeroundn/a1.18 inches1.4 inches
Touch
Typee-paperLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aFitbit OS
Apps
Music

All Wearables