Fitbit Ionic vs. Fitbit Flex vs. Fitbit Inspire HR vs. Amazfit GTS vs. Apple Watch 7

 
Ionic
Flex
Inspire HR
GTS
Watch 7
 FitbitIonicRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$100$99$150$429
Release20172013201920192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days5 days14 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NA139 x 60348 x 442396 x 484
Size1.42NA1.4 inches1.65 inches1.9 inches
TouchNA
TypeOLEDLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAFitbit OSWear OSWatchOS 8
Apps
Music

All Wearables