Fitbit Flex 2 vs. Diesel On Full Guard vs. Fitbit Alta HR vs. Amazfit T-Rex vs. Apple SE (2022)

 
Flex 2
On Full Guard
Alta HR
T-Rex
SE (2022)
 FitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$100$325$150$140$249
Release20162017201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolutionn/a454 x 454128 x 36360 x 36040mm
Sizen/a1.4 inches1.4 inches1.3 inches
Touchn/aLTPO OLED Retina
TypeLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating Systemn/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables