Pebble Steel vs. Pebble Time Round vs. Motorola Moto 360 (1st Gen) vs. Fitbit Alta HR vs. Amazfit T-Rex

 
Steel
Time Round
Moto 360 (1st Gen)
Alta HR
T-Rex
 PebbleSteelRemove Buy NowPebbleTime RoundRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$150$150$140
Release20142015201420172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days1 day7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a320 x 260128 x 36360 x 360
Size1.26 inchesround1.56 inches1.4 inches1.3 inches
Touch
Typee-papere-paperLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSAndroid WearBuild-in
Apps
MusicNA

All Wearables