Fitbit Alta HR vs. Fitbit Flex vs. Apple Watch Series 5 vs. HTC re Grip vs. Apple Watch 7

 
Alta HR
Flex
Watch Series 5
re Grip
Watch 7
 FitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$100$329$199$429
Release20172013201920202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysNot Yet5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA384 x 480160 x 32396 x 484
Size1.4 inchesNA1.78 Inches1.8 inches1.9 inches
TouchNA
TypeOLEDLEDMicroLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNot YetIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatchOS 5NAWatchOS 8
Apps
Music

All Wearables