Olio Model One vs. Pebble Time Steel vs. Polar M400 vs. Garmin Vivosmart HR vs. Fitbit Charge 3

 
Model One
Time Steel
M400
Vivosmart HR
Charge 3
 OlioModel OneRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$595$250$200$170$150
Release20152015201420152018

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/an/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration2 days10 days8 hours to 30 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/aNA
Wi-Fi

Display

Color
Resolutionn/a168 x 144n/a160 x 6866 x 18
Sizen/a1.26 inchesn/a1.08 inches.721 inches
Touch
Typen/ae-papern/an/aOLED

Functions

Audio Speakern/aAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5 ATM5 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/aPebble OSn/an/aNA
Appsn/a
Music

All Wearables