Pebble Time Round vs. Polar Loop 2 vs. Fitbit Flex vs. Pebble Core vs. Apple Watch Ultra

 
Time Round
Loop 2
Flex
Core
Watch Ultra
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$120$100$99$799
Release20152015201320162022

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)5 daysNA36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNANA502x410 pixels
Sizeroundn/aNANA1.92 inches
TouchNANA
Typee-paperLEDLEDNA

Functions

Audio Speaker
ClockLTPO OLED Retina
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM1 ATMNA10 ATM (100 Meters)

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/aNANAWatchOS 9
Apps
Music

All Wearables