Apple Watch Series 2 Olio Model One Pebble Steel Withings Activite Steel Fitbit One
  Apple Watch Series 2 Remove Buy Now Olio Model One Remove Buy Now Pebble Steel Remove Buy Now Withings Activite Steel Remove Buy Now Fitbit One Remove Buy Now

Basic Info

Suggested Price $269 $595 $150 $170 $100
Release 2016 2015 2014 2015 2012

Activity & Fitness

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

Battery

Duration 18 hours 2 days 5-7 days 8 months 10-14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a n/a
Mac n/a n/a n/a
Windows n/a n/a n/a

Connectivity

Bluetooth
Cellular
GPS n/a
NFC n/a
Wi-Fi

Display

Color
Resolution 340 x 272 or 390 x 312 n/a 168 x 144 n/a n/a
Size 1.5 inches or 1.65 inches n/a 1.26 inches 1.3 inches n/a
Touch
Type AMOLED n/a e-paper Analog OLED

Functions

Audio Speaker n/a
Clock
Phone n/a
Vibration n/a
Voice

Hardware

Accelerometer n/a
Barometer or Altimeter n/a
Ultraviolet Sensor
Water Resistance 5ATM 5 ATM 5 ATM 5 ATM Splast Resistant

Notifications

Phone n/a
Emails
Texts

Software

Operating System Watch OS n/a Pebble OS n/a n/a
Apps n/a
Music