Fitbit Alta vs. Fitbit Flex 2 vs. Amazfit Arc vs. Amazfit T-Rex vs. Fitbit Sense 2

 
Alta
Flex 2
Arc
T-Rex
Sense 2
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowAmazfitT-RexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$100$69.99$140$300
Release20162016201620192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days20 days20 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a72 x40360 x 360336x336
Sizen/an/a0.42 inches1.3 inches1.59 inches
Touchn/an/a
TypeOLEDLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables