Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit One vs. Apple Watch Series 5 vs. Diesel On Full Guard 2.5

 
Alta
Flex 2
One
Watch Series 5
On Full Guard 2.5
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 5Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$130$100$100$329$325
Release20162016201220192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days10-14 daysNot Yet4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a384 x 480454x454
Sizen/an/an/a1.78 Inches1.39 inches
Touchn/an/a
TypeOLEDLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplast ResistantNot Yet3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWatchOS 5Wear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables