Fitbit Flex vs Fitbit Sense

Design:

Fitbit Flex
Design

Fitbit Sense
Design

The sense Fitbit is here to sense and manage all your stress away. With the innovative EDA sensor, it will manage stress steadily. Similarly, with the ECG app on this smartwatch, it will also track your heart health. Available in three colors i.e. Sage Grey / Silver Stainless Steel Carbon, Graphite Stainless, Steel Lunar White / Soft Gold Stainless Steel. With a lasting battery of almost six days above, it will help keep track of your health through its 20 goal-based exercises, where one can choose the activity, and Fitbit sense will be there tracking your stats during the workout and all the way.

Specifications:

"

Screen Size

1.58"

Touch Screen

Resolution

336 x 336px
g

Weight

48g
10

Waterproof

45℃

Max Temperature

45℃
-20℃

Min Temperature

-10℃

Replaceable Band

mm

Band Width

20mm

Screen protection

144h

Battery Life

144h
h

Charging Time

2h

Fitbit Flex
Specifications

Fitbit Sense
Specifications

Sense holds a lot of specifications as the screen size is 1.58in with an OLED display. The case size is about 4.5 mm with a thickness of 12.35 mm. The weight of this smartwatch is about 45.39 g which makes it very easy to wear. It’s water resistant and can resist up to 50 meters because of its IP68 sensor. The watch band is replaceable and therefore one can use various bands to match according to their fashion statement. The battery timing is about six days and above and takes less than 2 hrs to charge fully.

Activity Tracking:

GPS Tracking

Route Tracking

Heart Rate Monitoring

Blood Oxygenation

Activity Detection

Distance Tracking

Step Tracking

Elevation Tracking

Bike Ccadence Monitoring

Sleep Tracking

Calories Intake Tracking

Calories Burned Tracking

Weight Tracking

Water Intake Tracking

Body Temperature

Sport Activities Tracking

Fitbit Flex
Activity Tracking:

Fitbit Sense
Activity Tracking:

With a built-in GPS, the sense is there to guide you throughout your whole journey so you won’t get lost anywhere. With a route tracker and a heart rate monitor, it calculates breathing rate and active zone minutes. It also calculates the calories burned and keeps a chart of cardio fitness scores. Also, tracks distance, and the number of steps taken in a day. The floors one climbed in a day which automatically calculate. It also keeps track of food and water intake, but one needs to add it manually. It also helps keep a track of healthy menstrual cycle, by keeping a track of ovulation and will also discover the pattern in your cycles.

Compatibility & Connectivity

Android Compatibilty

IOS Compatibilty

Mac OS Compatibility

Syncs Wirelessly

Automatic Syncing

Wi-Fi Module

Cellular Module

Call Control

Sport Activities Tracking

Camera Remote Control

Fitbit Flex
Compatibility & Connectivity

Fitbit Sense
Compatibility & Connectivity

Fitbit Sence provides a lot of connectivity options with Bluetooth, Wi-Fi, NFC, a speaker, and even a mic. It's compatible with most devices than be it android or iPhone An account creation is a must after installing and setting up the smartwatch because it’s there where all your health data will be sent to. It supports Wi-Fi and can automatically sync the records as well. It's compatible with iPhone, Android, and MAC OS X. iPhone users need to have iOS 14 or above to get Fitbit to function properly. For Android users, it needs android OS 8 higher or above.

Bottom Line

Fitbit Flex Pros

Fitbit Sense Pros

  • Holds an easy-to-read display
  • Has a good sleep tracker
  • Very simple and easy to use, a user-friendly device
  • The display is all touch, with no buttons.
  • Swappable watchbands
  • Features a lot of tracking options i.e. heart rate, exercise, water intake, ECG, etc.

Fitbit Flex Cones

Fitbit Sense Cones

  • Sometimes watch can be tricky to put on.
  • One cannot make customized texts and phone calls.
  • Sometimes stats take a while to load
  • The screen is a bit fragile.