Fitbit Flex 2 vs Fitbit Charge 3

Design:

Fitbit Flex 2
Design

Fitbit flex 2 also known as the swimmer Fitbit is here to make swimmer's and other people's life easier. Its ultra-slim design makes it super smart. Also, the water-resistant fitness wristband that also includes a removable tracker will track all your activities and your sleeping style and exercise routine as well. The amazing thing about this Fitbit is it is its removable tracker that also fits into various bands, bangles, and even pendants and bracelets. So one can use this Fitbit as a part of jewelry and can match it with their costumes and dress based on the occasion requirements. It’s available in these pretty colors i.e. Black Lavender, Magenta, and Navy.

Fitbit Charge 3
Design

Fitbit charge 3 is here to gear you up and follow your fitness routine. The charge series was loved very much by the users and therefore the launch of charge 3 was done with far more features. This charge 3 fitness tracker has various exciting features like choosing from 15+ exercises mode and enhanced fitness features. The material used to make this charge 3 is corduroys. The color it is available in are i.e. Black / Graphite, Blue Gray / Rose Gold, Berry Sport / Rose Gold, Frost White Sport / Graphite, and Lavender Woven / Rose Gold.

Specifications:

"

Screen Size

"

Touch Screen

Resolution

23g

Weight

29g

Waterproof

45℃

Max Temperature

45℃
-20℃

Min Temperature

-20℃

Replaceable Band

mm

Band Width

mm

Screen protection

144h

Battery Life

168h
h

Charging Time

2h

Fitbit Flex 2
Specifications

Fitbit flex 2 holds a variety of specifications. The display includes five LED lights that illuminate in various patterns to indicate bout various activities. It shows various colors to communicate the information. The weight of this Fitbit is around 0.38 lb. the box dimension is around 8.75 x 4 x 1.2". It's 0.44 inches wide also, and it's waterproof therefore can be carried in the sink, shower, pool, and even the ocean with a depth rating of up to 50m. The operating temperature range from 14° to 113° F. the Maximum operating altitude is around 30,000 feet.

Fitbit Charge 3
Specifications

Charge 3 has a variety of specifications. The Charge 3 is equipped with an OLED touchscreen. The screen size is of 3 inches and the device dimensions are 35.8mm x 22.7mm x 11.8mm. The total weight of this product is less than 30 g. It’s water resistant and therefore can resist the water depth up to 50m. The operating temperature of charge range from -10° to 45°C. The watch band is replaceable and therefore can be paired up with outfits. Has screen protection of corning Gorilla Glass 3. Charge 3 battery time is great as it will last about 7 days and take only 2 hours to fully charge.

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 2
Activity Tracking:

Fitbit flex 2 holds a variety of specifications. The display includes five LED lights that illuminate in various patterns to indicate bout various activities. It shows various colors to communicate the information. The weight of this Fitbit is around 0.38 lb. the box dimension is around 8.75 x 4 x 1.2". It's 0.44 inches wide also, and it's waterproof therefore can be carried in the sink, shower, pool, and even the ocean with a depth rating of up to 50m. The operating temperature range from 14° to 113° F. the Maximum operating altitude is around 30,000 feet.

Fitbit Charge 3
Activity Tracking:

Charge 3 has various tracking features, although doesn't have a built-in GPS but a connected GPS is available. It will track your route. Equipped with a heart rate tracker, this charge 3 will track heart activities very well. It will monitor the blood oxygenation level and therefore will automatically detect all the activities. Activities like the distance tracked in a day, the steps taken, and even the elevation crossed gets calculated. Also, charge 3 has a great sleep tracker installed and has 15+ exercise modes available. One will only need to set a goal and can get real-time stats during their workouts.

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 2
Compatibility & Connectivity

Fitbit flex 2 is compatible with both android and iPhone devices. For iPhone users, iOS should be iOS 14 or above and similarly, for android users, it should be android 9 or above. One can receive a smartphone notification. Meaning one can get the call a text notification with unique vibration patterns and color-coded led lights. Purple color is blinked for text and for calls it’s blue. Also, Fitbit flex 2 can wirelessly sync and their automatic syncing can be done anytime with compatible devices.

Fitbit Charge 3
Compatibility & Connectivity

Charge 3 is compatible with both Android and iOS devices. For Android users, it should be OS 9 or higher. For IOS devices, it should be iOS 14 and above. It has the feature of syncing data wirelessly and has a synchronization range of up to 6 meters and above. Bluetooth 4.0 radio transceiver is here from increased connectivity. With Charge 3, one can get the live notification for calls, texts, and emails. It also provides alerts for any events, calendar notifications, and app updates using the Fitbit app.

Bottom Line

Fitbit Flex 2 Pros

  • Automatic data syncing
  • Water-resistant
  • Lightweight
  • Good band clasp
  • Good battery last
  • Budget-friendly choice

Fitbit Charge 3 Pros

  • New and stylish design
  • An OLED display screen
  • Water-resistant
  • Improved battery life
  • Charge your device
  • Music can be played with strong bass

Fitbit Flex 2 Cones

  • Swim track requires extra activity to get activate
  • No display
  • Tracking activities sometimes drains battery
  • No manual activity tracking

Fitbit Charge 3 Cones

Cons:

  • No in-built GPS
  • Fewer music controls
  • Exposed woofers
  • Can even distort sometimes at increased volume