Pebble Time Round vs. Garmin Vivosmart vs. Garmin Forerunner 935 vs. Fitbit Alta HR vs. Apple Watch Ultra

 
Time Round
Vivosmart
Forerunner 935
Alta HR
Watch Ultra
 PebbleTime RoundRemove Buy NowGarminVivosmartRemove Buy NowGarminForerunner 935Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$200$170$500$150$799
Release20152014201720172022

Activity & Fitness

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

Battery

Duration2 days7 daysUp to 2 weeks7 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 16240 x 240128 x 36502x410 pixels
Sizeround1.41 inches1.2 inches1.4 inches1.92 inches
Touch
Typee-paperOLEDLCDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWatchOS 9
Apps
Music

All Wearables