Apple Watch Series 3 vs. Fitbit Alta vs. Sony SmartBand 2 vs. Amazfit Stratos vs. HTC re Grip

 
Watch Series 3
Alta
SmartBand 2
Stratos
re Grip
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowSonySmartBand 2Remove Buy NowAmazfitStratosRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$130$130$199$199
Release20172016201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days2 days5 days5 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
Resolution340 x 272 or 390 x 312n/an/a320 x 300160 x 32
Size1.5 inches or 1.65 inchesn/an/a1.34 inches1.8 inches
Touchn/an/a
TypeAMOLEDOLEDn/aOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP585 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/aProprietaryNA
Apps
Music

All Wearables