Pebble Time Steel vs. Fitbit Alta vs. Polar Loop 2 vs. Amazfit Bip vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Time Steel
Alta
Loop 2
Bip
Grayson
Grayson
 PebbleTime SteelRemove Buy NowFitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$130$120$99.99$350$350
Release201520162015201820182018

Activity & Fitness

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

Battery

Duration10 days5 days8 days (without notifications)30 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a176 x 176453 x 454453x454
Size1.26 inchesn/an/a1.28 inches1.39 inches1.39 inches
Touchn/a
Typee-paperOLEDLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a2 ATMIP681 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables