One of the things I like about Fitbit is that it has a whole ecosystem of products, including smart scales for weight tracking. Last year we reviewed the company’s then most recent, and still premium, scales, the Fitbit Aria 2. Now they’ve been joined by the, well, lighter-weight Fitbit Aria Air scales.
Fitbit Aria Air features
In short, the Fitbit Aria Air scales are digital scales with
a capacity from 5 to 180 kilograms. They can sync their measurement data with
the Fitbit app on your smart phone or tablet. The app can keep track of your
weight over time, draw graphs and so on.
So far, much the same as the Fitbit Aria 2. So, what’s
First, and this is a big difference, the Fitbit Aria Air is
half the price. Can’t afford a couple of hundred dollars for smart scales?
$99.95 for the Fitbit Aria Air is quite the change.
Second, they’re a little lighter and smaller: 300mm square versus 313mm square. 25.4mm tall versus 33mm tall. 1.74kg in weight versus 1.94kg. Both are available in black and white, but the new model lacks the gentle pattern on the surface of the Aria 2.
The Fitbit Aria 2 will show your so-called “body
composition” – the percent of your body it considers to be fat. The Fitbit Aria
Air won’t. No great loss, I say. I’ve been using the Aria 2 and its predecessor
for some years, and while the overall trend seems to be in the right direction,
day to day those figures don’t make much sense. Unlike your weight, smart
scales can’t measure fat percentage, so they use some kind of algorithm to
estimate it. I think they need a better algorithm.
I’m fine with them lacking that bit of functionality.
But the biggest difference between the two devices is how
they connect to feed the weight data into the Fitbit app’s database.
How the Fitbit Aria Air connects
The Fitbit Aria 2 primarily communicates via Wi-Fi. Once
you’ve set it up, then it’s just a matter of stepping on it as required. It
will identify you by your approximate weight – both scales support multiple
users – and send the weight to your profile database via Wi-Fi. This is
maintained on Fitbit’s servers. Whenever you open the app on your phone, tablet
or computer, it is updated from that server data.
The Fitbit Aria Air does not have Wi-Fi. It uses Bluetooth. And it uses the app on your phone as the conduit for the data.
That has the advantage of not requiring much setting up. But
the downside of having to have your phone handy when you’re weighing yourself.
You set up the Fitbit Aria Air within the app. Tap the
device “+” button, select Aria Air and follow the instructions. It will have
you turn on the Aria Air at a suitable time, find it, identify it and associate
it with your profile.
You are not “pairing” the Aria Air with your phone in the
usual way. It won’t appear as a paired device in your Bluetooth settings. You
are associating the Aria Air with your profile.
Using the Fitbit Aria Air
To weigh yourself, you open the Fitbit app at the main “Today” page. Then you step on the scales. The scales notice your presence and switch themselves on.
Your weight comes up, shown by large numbers in pale blue on
black, constructed from seven-segment digitals in the LCD. The units shown in
small characters underneath. You can change the units to Imperial using a button
on the back.
After a few seconds, the display shows a small Bluetooth logo at the top and the app on your phone jumps to a new page. This shows the weight and date. You can then tap “Save” to add it to your database. So, it seems, the app must be scanning for the scales whenever its on the “Today” page of the Fitbit app, if you have an Aria Air associated with your profile.
I setup up the Aria Air using my Android phone. Initially
the data would not transfer. I put this review on the back burner for a week or
so, and then I received a customer service email from Fitbit saying that the
app had been updated to fix connection problems. I tried again and it worked
properly. And it has ever since.
Today I logged onto the Fitbit app on my iPhone and tried
that. But again the data would not transfer. Then I realised I hadn’t updated
that app on the iPhone. I updated it, and it worked straight away.
I continued to use the Fitbit Aria 2 scales as well. The
Aria Air always gave a result within 0.1 kilograms of that on the Aria 2.
The Fitbit Aria Air scales are a bargain. They aren’t quite
as much a set-and-forget deal as the Aria 2, given that you must have the
Fitbit app open to the main page when you’re using them. If, that is, you want
to log the data; if you’re just curious for the moment, you don’t need the
But, then, setting up was easy and reliable. And they’re
half the price.
You can purchase the scales at the usual retailers, or direct from Fitbit here. (Make sure you click on the button next to the Aria Air so you don’t buy the Aria 2 by mistake.)
Value for money
Ease of use
Excellent value for money
No pairing required
Must have phone handy with Fitbit app open to record result