Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit One vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire 3

 
Alta
Flex 2
One
On Full Guard 2.5
Inspire 3
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$130$100$100$325$100
Release20162016201220182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days10-14 days4 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a454x45432x18
Sizen/an/an/a1.39 inches46 inches
Touchn/an/a
TypeOLEDLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplast Resistant3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWear OS
Apps
Music

All Wearables