Pebble Time Round vs. Polar Loop 2 vs. Fitbit Ionic vs. Pebble Core vs. Garmin Vivosmart 4

 
Time Round
Loop 2
Ionic
Core
Vivosmart 4
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$120$299$99$130
Release20152015201720162018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)4+ daysNA7 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250NA48 x 128
Sizeroundn/a1.42NA0.74 inches
TouchNA
Typee-paperLEDOLEDNAOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM50mNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/aFitbit OSNA
Apps
Music

All Wearables