Pebble Time Round vs. Polar M400 vs. Fossil Q Dreamer vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2

 
Time Round
M400
Q Dreamer
On Full Guard 2.5
Versa 2
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowFossilQ DreamerRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$200$200$125$325$199
Release20152014201520182019

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days7 days4 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a454x454300 x 300
Sizeroundn/an/a1.39 inches1.34 inches
Touchn/a
Typee-papern/an/aAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATMIP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aWear OSBuild-in
Apps
Music

All Wearables