Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit One vs. Apple Watch Series 2 vs. Casio G-Shock GBA800

 
Alta
Flex 2
One
Watch Series 2
G-Shock GBA800
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$130$100$100$269$120
Release20162016201220162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days10-14 days18 hours2 years
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a340 x 272 or 390 x 312
Sizen/an/an/a1.5 inches or 1.65 inches
Touchn/an/a
TypeOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplast Resistant5ATM20 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWatch OS
Apps
Music

All Wearables