Apple Watch Series 2 vs. Amazfit Arc vs. Fitbit Alta HR vs. Fitbit Flex vs. Apple Watch 7

 
Watch Series 2
Arc
Alta HR
Flex
Watch 7
 AppleWatch Series 2Remove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$269$69.99$150$100$429
Release20162016201720132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours20 days7 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 31272 x40128 x 36NA396 x 484
Size1.5 inches or 1.65 inches0.42 inches1.4 inchesNA1.9 inches
TouchNA
TypeAMOLEDOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIP671 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNAWatchOS 8
Apps
Music

All Wearables