Pebble 2 vs. Fitbit Flex vs. Polar A370 vs. Garmin Forerunner 45 vs. Apple Watch Ultra

 
2
Flex
A370
Forerunner 45
Watch Ultra
 Pebble2Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$129$100$179.95$199$799
Release20162013201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysUp to 3 days7 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA160 x 80208 x 208502x410 pixels
Sizen/aNA1.18 inches1.04 inches1.92 inches
TouchNA
Typee-paperLEDTFT LCDLCD

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATMWR305 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNABuilt-inWatchOS 9
Apps
Music

All Wearables