Fitbit Alta vs. Sony SmartBand 2 vs. Amazfit Stratos vs. Apple Watch Series 4 vs. HTC re Grip

 
Alta
SmartBand 2
Stratos
Watch Series 4
re Grip
 FitbitAltaRemove Buy NowSonySmartBand 2Remove Buy NowAmazfitStratosRemove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$130$199$329$199
Release20162015201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days5 daysNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 300384 x 480160 x 32
Sizen/an/a1.34 inches1.78 inches1.8 inches
Touchn/an/a
TypeOLEDn/aOLEDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP585 ATMNot YetIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aProprietaryWatch OS 5NA
Apps
Music

All Wearables