Prompt delivery. I had some difficulty setting the device up, initially I could not get a reading from the wrist band despite many attempts. I shaved my wrists but changing from my non-dominant to... See more
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Aktiia, now trading under Hilo, was established in 2018 to transform how blood pressure is measured and therefore managed. Hilo is transforming blood pressure monitoring with cuffless, AI-powered technology that delivers continuous, accessible insights for individuals and healthcare professionals. Our foundation model is trained on billions of optical signals and hundreds of millions of readings from over 120,000 users—one of the largest datasets in the field. Backed by a multidisciplinary team with deep expertise in biomedical signal processing, Hilo has contributed to over 120 peer-reviewed publications and holds more than 35 patents. Headquartered in Switzerland, we’re expanding globally to redefine how blood pressure is measured and managed.
Contact info
Rue du Bassin 8a, 2000, Neuchatel, Switzerland
- https://support.aktiia.com/en/support/home
- hilo.com
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Expect some problems getting started
The paper user guide, which comes in the package, is completely useless. There is no computer app linked to the band. There is no indication on the band which way it goes on the charger. So, it is a matter of luck whether you put it on the right way.

Reply from Hilo by Aktiia
Quick delivery and easy setup
Quick delivery followed by easy setup and earliest readings made for a very pleasnt surprise. Everything went like clockwork.
Looking to purchase the HiLo bracelet
Looking to purchase the HiLo bracelet, impressed with prompt replies to question. Will definitely be purchasing one
Utter Rubbish and Zero Support
The device does not work, I tried to make contact with them to return it, but the instructions for returning it just keep looping back to the same start process. The device is so rubbish, I would advise anyone to keep their money and NOT raise their blood pressure trying to use this and get in contact with them, AVOID, AVOID and finally, Avoid!

Reply from Hilo by Aktiia
Everything has worked really well so far
Took a few days to arrive, but arrived sustainably packaged, Royal Mail. I have an old Samsung phone- app and products installed seamlessly. Band needed charging, wish this was the same micro usb, but it's a quibble. Band fits my extremely small wrist with 3 holes remaining. Cuff fit my very large upper arm. Readings were roughly the same as nhs gp surgery reading. And since then, it's worked well. I wish the band was lavender, and a breathable sustainable material. But the device works well, my doctor likes it, it is never painful, i can see what impacts my blood pressure (caffeine!). I think some readings in the night are suspect because I'm lying on the band- but I deduce this from the other trend line data avaible in app.
I'm really not techie, gen x. This tech is super simple to use. Clean dashboard app. All data available. I really like knowing without a cuff compression. My Braun home cuff measurement was way off, this is quite accurate.
When I bought you're signed up to their club for a year for free.
I bought an Aktiia system in August…
I bought an Aktiia system in August 2024. It worked fine for a year and then stopped taking measurements, although it still talked to the phone programme. I have tried several times to contact Aktiia, now HiLo to arrange a replacement but hit a dead end on the website as the ChatBot (?) does not work and any contact with aktiia.com hits a dead name......
I have now managed to contact support-at-aktiia.com and it looks promising

Reply from Hilo by Aktiia
The band stopped measuring blood pressure
I’ve been using the HILO band for almost 2 years. During that time it worked great: blood pressure measurements were stable, and the app and syncing had no issues.
However, recently the band stopped measuring blood pressure. Every time I try, it shows “band signal unstable” and no result appears.
Overall, it used to be an excellent product, but after two years this issue is very disappointing — it’s basically useless now. It’s especially frustrating because the device used to work perfectly.

Reply from Hilo by Aktiia
Hilo is vastly superior to Hume Band
Hilo has a great product, far better than the Hume Band which does not meet product performance expectations at all

Reply from Hilo by Aktiia
Hi lo new user
Great to have the convenience and reassurance of reports straight to your mobile.
unique monitor, good customer support
I have updated my score and changed my review. In my previous I said the tech was great but there was an issue pairing with a new phone. Although its is hard to get directly to real human past their AI bot customer care, I managed, and they solved my problem, which was a large part of my own making.....

Reply from Hilo by Aktiia
All is good but band bracelet is a…
All is good but band bracelet is a little small as i an a big guy, I wear it on the last setting hole and kind of afraid of losing it
Simple,fiable,utile pour monitorer un…
Simple,fiable,utile pour monitorer un traitement antihypertenseur
I was looking specifically for a watch…
I was looking specifically for a watch which would keep a constant check on my blood pressure and pulse, with clinically backed technology. I could find lots of watches that measure pulse but not trustable BP. I've had my HiLo for less than a week but the readings and displays are so informative and means I can visit my GP for a High Blood Pressure review with the data that is easy to understand.
Excellent customer care
I bought my aktiia cuff and wrist band 3 years ago. I used it happily for about a year. I then put it in the back of a drawer and deleted the app from my phone. I’ve tried to reactivate my use of it after a period of illness. My iPhone is still paired with both devices.
I can’t get onto the HiLo app. I get to pair devices on the screen and it comes back and tells me I’m already paired.
I got fantastic help from Klaudia HiLo .
Not so good in the customer care department.
I
I’d give it 0 stars if I could
I’d give it 0 stars if I could . My band only worked reliably for three weeks. Then it stopped giving any readings at all . It must be faulty . There is no address , email or phone number to contact them . It’s Lucy a chat bot. Which gives you a selection of answers . None of which applied to my situation. And nowhere to explain what my problem is or to let me speak to anyone . Luckily my husband paid by credit card,. So we will approach them . I have spent hours trying to find contact info . The email with the purchase is a no reply one . You only realise how good or bad customer service is when things go wrong . This has been a total nightmare. I had such high hopes for this band . But it’s been nothing short of a nightmare . Would not recommend this company .

Reply from Hilo by Aktiia
A good experience all round.
Have been wearing mine for a week now and for the first time I feel I am getting real useful information.
The readings are accurate and the system was pretty easy to set up - just follow the instructions.
Ordering and delivery were both straight forward and stress free.
Looking forward to gaining further insight as I go along.
Also appreciated the free 12 month signup on the app.
I would recommend to anyone needing serious information about their blood pressure.
Well my unit worked well for the time I…
Well my unit worked well for the time I had it, but I lost the arm band out fishing and can't seem to source a replacement .
It looks like it would be less expensive to purchase a complete new set than just buy the arm band.

Reply from Hilo by Aktiia
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