Fitbit Ionic vs. Amazfit Stratos vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple SE

 
Ionic
Stratos
Forerunner 235
Flex
SE
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$299$199$299.99$100$279
Release20172018201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days9 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300215 x 180NA384 x 480
Size1.421.34 inches1.23 inchesNA40mm
TouchNA
TypeOLEDOLEDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance50m5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryNAWatchOS 5
Apps
Music

All Wearables