Fitbit Flex 2 vs. Acer Liquid Leap vs. Xiaomi Mi Band vs. Garmin VivoActive 4 vs. Apple Watch 7

 
Flex 2
Liquid Leap
Mi Band
VivoActive 4
Watch 7
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowXiaomiMi BandRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$90$15$349$429
Release20162015201520192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days30 days8 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a128 x 32NA260 x 260396 x 484
Sizen/a1 inchNA1.3ionches1.9 inches
Touchn/aNA
TypeLEDOLEDNAMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX4IP675 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWatchOS 8
Apps
Music

All Wearables