Fitbit Alta vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Amazfit GTS vs. Apple SE

 
Alta
Flex 2
ZenWatch
GTS
SE
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowAmazfitGTSRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$130$100$150$150$279
Release20162016201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA14 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320348 x 442384 x 480
Sizen/an/a1.63 inches1.65 inches40mm
Touchn/an/a
TypeOLEDLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistancen/a5 ATMIP555 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OSWatchOS 5
Apps
Music

All Wearables