Fitbit Alta vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Fitbit Charge vs. Fitbit Charge 3

 
Alta
Flex 2
Watch Series 2
Charge
Charge 3
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$130$100$269$130$150
Release20162016201620142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours7-10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312NA66 x 18
Sizen/an/a1.5 inches or 1.65 inchesNA.721 inches
Touchn/an/aNA
TypeOLEDLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSNANA
Apps
Music

All Wearables