Fitbit Ionic vs. Garmin Forerunner 235 vs. Fitbit Flex vs. HTC re Grip vs. Apple Watch 7

 
Ionic
Forerunner 235
Flex
re Grip
Watch 7
 FitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$299$299.99$100$199$429
Release20172017201320202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days9 days5 days5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250215 x 180NA160 x 32396 x 484
Size1.421.23 inchesNA1.8 inches1.9 inches
TouchNA
TypeOLEDMIPLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNANAWatchOS 8
Apps
Music

All Wearables