Fitbit Alta vs. Fitbit Charge 2 vs. Misfit Speedo Shine 2 vs. Amazfit T-Rex vs. HTC re Grip

 
Alta
Charge 2
Speedo Shine 2
T-Rex
re Grip
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$150$80$140$199
Release20162016201620192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days6 months20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a360 x 360160 x 32
Sizen/an/an/a1.3 inches1.8 inches
Touchn/an/an/a
TypeOLEDOLEDn/aAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aBuild-inNA
Apps
Music

All Wearables