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 2023-09-22 at 11:48 / Affiliate links / Images from Amazon Product Advertising API
Fitbit Aria vs. Aria 2 — Easy Comparison Chart
| Fitbit Aria | Fitbit Aria 2 | |
|---|---|---|
| Dimensions | 1.3 x 12.3 x 12.3 in | 1.6 x 14.2 x 14 in |
| Operating Humidity | Up to 95% | Up to 93% |
| Weight | 4.7 lbs | 5.7 lbs |
| Power | 4 AA batteries | 3 AA batteries |
| WiFi | 2.4 GHz 802.11b | 2.4 GHz 802.11b/g/n |
| Bluetooth | No | Yes |
| Setup | via WiFi from your computer | from phone or tablet via Bluetooth and app |
| BMI, Lean Mass &Body Fat Percentage | Yes | Yes |
| Personalized Icons & Greetings | No | Yes |
| Weight Limit | Up to 20–350lbs (9–158kg) | Up to 400lbs (4.5–181.4kg) |
| Users | Up to 8 | Up to 8 |
| Wireless Syncing | Yes | Yes |
| Fitbit App | Yes | Yes |
Fitbit Aria vs. Aria 2 — What’s Different?
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 2023-09-22 at 11:48 / Affiliate links / Images from Amazon Product Advertising API