Pebble Steel vs. Pebble Time Steel vs. Fitbit Alta vs. Fitbit Charge vs. Amazfit T-Rex

 
Steel
Time Steel
Alta
Charge
T-Rex
 PebbleSteelRemove Buy NowPebbleTime SteelRemove Buy NowFitbitAltaRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$250$130$130$140
Release20142015201620142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days10 days5 days7-10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144168 x 144n/aNA360 x 360
Size1.26 inches1.26 inchesn/aNA1.3 inches
Touchn/aNA
Typee-papere-paperOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMn/a1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSPebble OSn/aNABuild-in
Apps
Music

All Wearables