Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit Charge vs. Fitbit Charge HR vs. Apple Watch 7

 
Alta
Flex 2
Charge
Charge HR
Watch 7
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$100$130$150$429
Release20162016201420152021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7-10 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA396 x 484
Sizen/an/aNANA1.9 inches
Touchn/an/aNANA
TypeOLEDLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNANAWatchOS 8
Apps
Music

All Wearables