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Fitbit Ionic Vs Versa 4: A Head To Head Comparison!

If you are wondering whether to buy Fitbit Ionic or Fitbit Versa 4 this ‘Ionic vs Versa‘ guide is for you.

Fitbit Ionic vs Versa (Summary)

The Versa 4 and Ionic are loaded with alike features.

Most of the activities monitored by the watches are similar but Fitbit Versa 4 delivers data that is more accurate.

Both Fitbit Versa 4 and Ionic will also help track stress.

In case you want to cycle, the Fitbit Versa 4 is the better option as it features an onboard GPS to track routes, pace, and distance.

Before we go deeper into the comparison here is a brief comparison table on Fitbit Ionic and Versa 4.

Fitbit Ionic vs Versa 4 Comparison Table

Design and Display1.42 inches, LCD1.58 inches, AMOLED
TrackingSleep, steps taken, active minutes, weightlifting, calories burned, swimming, heart rate, and distance traveledSleep, steps taken, active minutes, calories burned, swimming, weightlifting, heart rate, and distance traveled
StorageNo Storage No Storage
Sensorsoptical heart rate monitors, 3-axis gyroscope, 3-axis  accelerometer, etc.optical heart rate monitors, 3-axis gyroscope, 3-axis accelerometer, etc.
NotificationsCall, Emails, SMS, MusicCall, Emails, SMS, Music
Voice AssistantNoAlexa and Google Voice Assistant
Battery Life6+ days, Charging Dock4+ days, USB Charging
ConnectivityBluetooth v5.0Bluetooth v4.0
Water-resistanceUp to 50 MetersUp to 50 Meters
Buy on AmazonBuy on Amazon

How Do Fitbit Ionic and Versa 4 Compare?


Fitbit Versa 4 has a single button on one of its sides while the Ionic has 3 physical buttons.

There is an external speaker and a built-in Microphone on the Fitbit Versa 4 and not on the Fitbit Ionic.


The bigger the displays the better the user experience.  Therefore, if you want a Fitbit with a bigger display consider Versa 4 as it has a display of 1.58 inches whereas the Ionic has a display of 1.42 inches.

Fitbit Versa 4 comes with an AMOLED display while the Ionic comes with an LCD transflective display but both are touchscreen.  

Their resolution and PPI differ, Versa 4 has a resolution of 336 x 3336 pixels with 323ppi whereas Ionic has a resolution of 348 x 250 pixels with 301ppi.

Sleep Tracking

Both watches can track sleep however, the Fitbit Versa 4 is loaded with more sleep data.

Activity Tracking

In addition, Fitbit Ionic and Versa 4 can accurately track steps, active minutes, calories burned, heart rate and distance traveled.

Unlike Ionic, the Fitbit Versa can track sports like swimming, treadmill exercises, biking, weightlifting, hiking, cycling, and running.

The shared GPS on Ionic and the built-in GPS on Versa 4 are the watches best for cycling and running as routes are shown.

Speaking of sports modes, the Fitbit Versa has 20+ sports modes while Fitbit Ionic has 15 sports modes.

Battery Life

Fitbit Versa 4 comes has good battery life.  On a complete charge, the watch can last for up to 6+ days while the Ionic will only serve for 4+ days after being juiced to 100%.

This service period can only be achieved when the Fitbits are left to operate in Smartwatch mode.

Fitbit Versa 4 and Ionic have built-in batteris made of Lithium-polymer.

Fitbit Ionic will only last for 10 hours when the GPS mode is turned on. It takes Fitbit Ionic 2 hours to charge to completion while 1 to 2 hours for Versa 4 to juice up.

Sensors and Components

Ionic and Versa 4 feature a axis accelerometer that measures acceleration forces and a gyroscope that improves exercise tracking.

Nevertheless, Versa 4 and Ionic have optical heart rate monitors that flash green light multiple times per second to calculate your heartbeats per minute.

The Fitbit Versa 4 connects to the phone through Bluetooth to answer calls but the Fitbit Ionic doesn’t.

Both Fitbit Ionic and Versa 4 feature Near Field Communication (NFC) that lets you make contactless payments.


The vibration motors on both Fitbits will vibrate to alert you of new notifications from messages, calls, and active alarms.

The Versa 4 connects to Bluetooth devices faster than Ionic because it uses Bluetooth v5.0.

Versa 4 can connect to Wi-Fi 802.11 b/g/n networks whereas the Ionic can connect to Wi-Fi 802.11 a/b/g/n/ac.


On both devices, you will receive call notifications, calendar notifications, texts, music control notifications, and many more.

Water Resistance

If you are in search of a Fitbit that is good for swimming the Fitbit Versa 4 and Ionic are both options because they have a water resistance rating of 5ATM, which means they can be immersed up to 50 meters in water.

Apart from swimming, both watches can be worn while in the shower however, take the trackers off in case you want to use the sauna.

Companion Apps

Fitbit Ionic and Fitbit Versa 4 both use the Fitbit App to provide users with daily fitness and wellness metrics.

The Fitbit app is available in both Google Play and Apple Store because it is compatible with both Android and iOS devices.

Voice Assistant

Fitbit Ionic is not compatible with Alexa or Google Voice assist but the Fitbit Versa 4 is so, Versa 4 users get the chance to control their watches using voice commands.

Price And Unboxing

Fitbit Ionic comes at a slightly higher price than Versa 4 therefore, it is an option if you are on a budget.

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