Fitbit Alta vs. Apple Watch Series 2 vs. Diesel On Full Guard vs. Fitbit Flex vs. Apple Watch 8

 
Alta
Watch Series 2
On Full Guard
Flex
Watch 8
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$269$325$100$499
Release20162016201720132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours1 day5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312454 x 454NA340 x 272 or 390 x 312
Sizen/a1.5 inches or 1.65 inches1.4 inchesNA1.5 inches or 1.65 inches
Touchn/aNA
TypeOLEDAMOLEDOMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIP671 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2.0NAWatchOS 9
Apps
Music

All Wearables