ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Apple Watch 7

 
ZenWatch 2
Flex 2
Watch Series 2
Stratos
Watch 7
 ASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$100$269$199$429
Release20162016201620182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days18 hours5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a340 x 272 or 390 x 312320 x 300396 x 484
Size1.63 inches or 1.45 inchn/a1.5 inches or 1.65 inches1.34 inches1.9 inches
Touchn/a
TypeAMOLEDLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSProprietaryWatchOS 8
Apps
Music

All Wearables