Pebble Time Round vs. Withings Activite Sapphire vs. Withings Steel HR vs. Amazfit Stratos

 
Time Round
Activite Sapphire
Steel HR
Stratos
 PebbleTime RoundRemove Buy NowWithingsActivite SapphireRemove Buy NowWithingsSteel HRRemove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$200$450$180$199
Release2015201420162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months25 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 300
Sizeround1.3 inchesn/a1.34 inches
Touch
Typee-paperAnalogn/aOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aProprietary
Apps
Music

All Wearables