Fitbit‌ ‌Aria‌ ‌vs.‌ ‌Aria‌ ‌2‌ — All The Differences

Fitbit Aria vs Aria 2

Let’s look at the differences between the Fitbit Aria vs. Aria 2, and see which is a better fit for you.

While there aren’t huge differences between the two, you can expect more accurate readings with Fitbit Aria 2, as well as an improved weight limit & better power options available.

While the Fitbit Aria has a better operating humidity of 95%, compared to the newer model’s 93%.

So either model is a good option to go for, as the differences are quite minor.


The Short Version

Fitbit Aria = Supports a 2.4 GHz 802.11b WiFi network, no Bluetooth support, powered by 4 AA batteries, set up via WiFi from your computer, calculates BMI, lean mass & body fat percentage, no personalized icons & greetings, weight limit from 20–350lbs, operating humidity up to 95%, supports up to 8 users, wireless syncing, compatible with Fitbit app.

Fitbit Aria 2 = Compatible w/ a 2.4 GHz 802.11b/g/n WiFi network & Bluetooth, powered by 3 AA batteries, set up from phone or tablet via Bluetooth and app, calculates BMI, lean mass & body fat percentage, comes w/ personalized icons & greetings, weight limit pp to 400lbs, operating humidity pp to 93%, supports up to 8 users, wireless syncing, compatible w/ Fitbit app.

Which one are you getting?

Last update on 2024-03-28 at 09:34 / Affiliate links / Images from Amazon Product Advertising API

Fitbit Aria vs. Aria 2 — Easy Comparison Chart

Fitbit Aria Fitbit Aria 2
Dimensions1.3 x 12.3 x 12.3 in1.6 x 14.2 x 14 in
Operating HumidityUp to 95%Up to 93%
Weight4.7 lbs5.7 lbs
Power4 AA batteries3 AA batteries
WiFi2.4 GHz 802.11b2.4 GHz 802.11b/g/n
BluetoothNoYes
Setupvia WiFi from your computerfrom phone or tablet via Bluetooth and app
BMI, Lean Mass &Body Fat PercentageYesYes
Personalized Icons & GreetingsNoYes
Weight LimitUp to 20–350lbs
(9–158kg)
Up to 400lbs
(4.5–181.4kg)
UsersUp to 8Up to 8
Wireless SyncingYesYes
Fitbit AppYesYes

Fitbit Aria vs. Aria 2 — What’s Different?

Fitbit Aria

Accuracy – Since Ara 2 is an updated model with improved technology, you can expect more accurate BMI, body fat percentage and lean mass readings, than with the previous model.

Increased Weight Limit & Operating Humidity – Aria 2 also has an increased weight capacity of up to 400 pounds, vs. Aria’s 350 pounds.

Additionally, the previous model can also withstand a higher level of humidity ( 95% relative humidity) compared to the newer Aria’s 2 93%.

Network – The original Fitbit Aria supports a standard wireless 802.11b compatibility and does not include Bluetooth.

While the more advanced Fitbit Aria 2 is compatible with an 802.11b/g/n, 2.4 GHz connection as well as Bluetooth, making it more reliable with it comes to connectivity.

Personalized Icons & Greetings – While not a huge difference, Aria 2 also comes with the personalized icons & greetings function for a more user-friendly experience.

While unfortunately, the older model lacks this feature.

Setup – Both Fitbit Aria & Aria 2 differ slightly when it comes to the setup process.

In the sense that Aria 2 is more straightforward and quicker as it can be done from your smart device via Bluetooth.

While Aria requires a WiFi connection, and can only be done through your computer.

Power – Additionally, Aria 2 is also more efficient when it comes to its power usage. Since it uses 3 AA batteries compared to its predecessor’s 4.

Display & Size – In terms of size, Aria 2 measures larger at 1.6 x 14.2 x 14 inches, compared to the previous model’s 1.3 x 12.3 x 12.3 inches.

Additionally, the newer model will also display the BMI readings directly on the scale, while Fitbit Aria will only do so via the app.

Last update on 2024-03-28 at 09:34 / Affiliate links / Images from Amazon Product Advertising API