Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit Zip vs. Apple Watch Series 2 vs. Apple Watch 7

 
Alta
Flex 2
Zip
Watch Series 2
Watch 7
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$100$60$269$429
Release20162016201220162021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days6 months18 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a340 x 272 or 390 x 312396 x 484
Sizen/an/an/a1.5 inches or 1.65 inches1.9 inches
Touchn/an/a
TypeOLEDLEDn/aAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplash Resistant5ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aWatch OSWatchOS 8
Apps
Music

All Wearables