Apple Watch Series 3 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Mobvoi TicWatch E

 
Watch Series 3
Alta
Flex 2
WSD-F20A
TicWatch E
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowMobvoiTicWatch ERemove Buy Now

Basic Info

Suggested Price$329$130$100$399$159
Release20172016201620182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days1 day1.5-2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/a320 x 320400 x 400
Size1.5 inches or 1.65 inchesn/an/a1.32 inches1.4 inches
Touchn/an/a
TypeAMOLEDOLEDLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATMIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/aWear OSAndroid Wear 2.0
Apps
Music

All Wearables