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Rated 5 out of 5 stars

I started using MENDI on November 20. So far I’ve done 50 sessions. At first, I was doing it in the evening with only one purpose to stop my nervous eye tick (chat GPT told me to try it out bef... See more

Rated 1 out of 5 stars

Product is very flimsy. It never connected via Bluetooth to several devices. It simply will not work. I should have read the reviews before purchase. I have decided to return the device two hour... See more

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Rated 5 out of 5 stars

My son loves his Mendi. He looks forward to using it everyday. Considering he normally has trouble staying focused on tasks, I’m pleased to see him so excited about it. There were some issues with the... See more

Rated 5 out of 5 stars

As a menopausal woman with children in puberty our house sometimes started to feel like a stressful/loud/chaotic place. Having used Mendi almost daily for about a month, I have noticed that other peop... See more

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3.6

Average

TrustScore 3.5 out of 5

73 reviews

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Rated 5 out of 5 stars

An Accessible and Promising Solution in Real-Time Neuro-Feedback and Brain Training

As a specialist in Mental Health, Psychotherapy, Psycho-Sexology, and Sexology, I have both the interest and the ethical obligation to stay informed about new technologies that influence people’s lives, whether they have a positive or negative impact. It's especially crucial to remain updated on innovations that can contribute to health and overall well-being.

Real-time Neuro-Feedback and Brain Training technologies are generally quite expensive, sometimes even prohibitively so. In this context, Mendi stands out by offering an accessible solution with an excellent price-to-quality ratio, making it the most affordable device of this type that I have encountered so far.

I have been testing the Mendi device for over two months, and the results have been very promising. In my approach, I always start with thorough research, followed by personal testing, and then applying it to larger groups. So far, Mendi has pleasantly surprised me with its ease of use and the consistency of results achieved with regular training.

We live in an era where technology plays a central role in our lives and evolves extremely rapidly, often in ways we do not fully recognize, and sometimes not at all. Real-time Neuro-Feedback and Brain Training devices have already become a less recognized necessity because there are many negative factors in our technological environment that can affect mental and cognitive health. Mendi offers an effective way to train the brain and harness neuroplasticity to counteract these negative influences, similar to how we care about exercise and nutrition to maintain a healthy and fulfilling life.

Another aspect that deeply impressed me was my interaction with the Mendi Team. In a field where communication with manufacturers is often difficult, I was surprised by their warmth, kindness, and extraordinary availability. The Mendi team was incredibly responsive and prompt in addressing all my requests, and this human openness and attention to detail make me appreciate that I have encountered an exceptional, passionate, and dedicated team. This gives me confidence in a beautiful, beneficial, and lasting collaboration. Honestly, when I meet such people, I feel blessed, and I am confident that the future is in good hands.

August 27, 2024
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Rated 5 out of 5 stars

I’ve used Mendi to help restore memory…

I’ve used Mendi to help restore memory loss from long COVID and for PTSD and depression.

Before I tried TMS that seemed miraculous in that I felt like I was waking up but had another covid infection that took me back to pre TMS status. My husband and I both did another 7week, 5 days week TMS round about a year later and gained nothing from it. TMS was also very expensive even with insurance.

Saw a piece on the Mendi unit on TV used on a child for ADHD and how well it worked for him and he’s now off ADHD meds. Mendi also states it helps heal
The damaged neuropathways same as TMS. I researched online on several different sites for neuro feedback and found it was also in trials for PTSD and depression so my husband bought one (we can both use it). The app is free.

I have noticed a marked improvement in memory, both recall and long term memory issues. I’m calmer and can handle situations that would normally stress me out in a more rational way. My depression issues have improved but not disappeared. When I sleep, it’s deeper and more refreshing.

As an avid reader, Covid took my ability to concentrate and read a book without going over the last 10-20 pages several times so I just quit trying. After using Mendi for about a month I gave reading another try and finished an entire book without having to reread anything and still remember what I read even after 2 months! I’m also a musician (I play at it) and an aspiring artist but have had no desire to engage at all. I’m starting to feel like I want to get back into both.

I’ve been using Mendi every day, sometime twice a day for 75 days as of August 24, 2024. I will continue to use it daily as a boost for my brain health.

It’s been worth the experiment for me!

August 24, 2024
Unprompted review
Rated 5 out of 5 stars

I did it every morning for months

I did it every morning for months. I got it to help me relax and work on my meditation.

The music and graphics are wonderfully done. The linking articles are interesting and well worth reading.
The device is well packaged and easy to operate.

One morning while operating the device, I could sense beautiful energy beings in my space and my brain activity soured. I got the "crown" and high score. This was proof for me that the device can work. I'm guessing, everyone must be different in their experiences.

August 21, 2024
Unprompted review
Rated 5 out of 5 stars

Traumatic Brain Injury Survivor… I…

Traumatic Brain Injury Survivor… I would like to try this to further my recovery. Please respond. Do you take CalOptima MediCal? Thanks in advance.

July 15, 2024
Unprompted review
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Reply from mendi.io

Thank you for your question, Bobby.
Unfortunately, Mendi is not a medical device intended for use in TBI recovery, and we have not conducted any research on this subject yet. We strongly recommend consulting your doctor before deciding whether to try Mendi. If you would like a detailed description of how the device works, please email us at support@mendi.io, and our Customer Success team will provide you with all the necessary information. We will be on the lookout for your email!

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Rated 5 out of 5 stars

I started using Mendi August 11,2022

I started using Mendi August 11,2022 , because I was going through a lot of stress, and high blood pressure during school and I was taking oral medication , which helped ,but have lots of side effect, also from time to time I have racing thoughts going through my mind, I saw an advertisement on Facebook about this device and was skeptical , but decided to checked it out, and I bought one and received it 08/11/2022 and that was the best decision that I made ,now I seem to can't live without my Mendi's , whenever I use it I find myself more focus and alert and my blood pressure to be in better shape after I use it, now I no longer take medication for stress I just use my Mendi's, however in June of this year 2024 my Mendi broke ,I reached out to the company and to my surprised they sent me a new Mendi without charging me anything. This is unheard of. Thank you Robert for your kindness.

August 22, 2023
Unprompted review
Rated 5 out of 5 stars

Honorable Fair Customer Service

Honorable Fair Customer Service
I experienced some trouble with my mendi device. I was a little cynical expecting them to run me through a complicated refurbishment and application process like majority of companies. They did ask me some questions to see what the problem was,but after that it was very easy to get the problem fixed. They responded quickly, acted quickly, and the process was simple. Mendi is a great company.

May 15, 2024
Unprompted review
Rated 5 out of 5 stars

Best customer service in years!

I’m grateful to share an amazing experience I’ve had with Mendi customer service and overall commitment to customers. Upon receiving my Mendi it wasn’t 2 hours later my puppy decided to ruin it. I reached out to Mendi and they kindly sent me a new device. I honestly wasn’t expecting anything but thought I’d ask just in case. When it arrived at my doorstep I was floored. This type of customer service is non existent anymore. It tells me they care about users as well as their product. My autistic son loves the device and uses it frequently. Thank you Mendi!

April 3, 2024
Unprompted review
Rated 5 out of 5 stars

My son loves his Mendi

My son loves his Mendi. He looks forward to using it everyday. Considering he normally has trouble staying focused on tasks, I’m pleased to see him so excited about it. There were some issues with the product and the customer service department handled it promptly and efficiently. I would def recommend to any parent who’s child struggles with focusing.

March 28, 2024
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Rated 5 out of 5 stars

Love my mendi

Mendi has been a game-changer for me.
i usually do a session before my language course, a 10- minuter feels like chugging a virtual coffee.
Dr Rall’s guides on youtube have been very helpful as well
thank you for making this tech accessible!

March 14, 2024
Unprompted review
Rated 1 out of 5 stars

It's not Real

My review is about how, unfortunately, the product does not work.
I know it's a disappointment.
I will say it DOES work in the sense it gets you to try and practice focusing, which I guess IS the objective, even if the matter in which they're doing it is false.

So with the Mendi headset the way to manipulate you score is scrunch your brow (like when mad) OR looking up vs down at any given time (you don't need to shake your head).
Whenever you look up your score will be low... whenever you look down your score will be sky high.

I think what this device measures IS blood flow to your brain (frontal cortex), BUT how much you lean forward is how much "blood" is there.

Picturing being hung upside down.. you can really feel where the blood is going to your head (and probably Mendi would tell you you're brain capacity is beyond 100%).

Lastly, your score for how you're improving factors heavily into how OFTEN you use it (your streak and what day you are on). So, are you REALLY getting better just because you're using it more often?
I'd argue someone with a great score, using a new account, would have a bad score because the game is just rewarding you being disciplined and showing up.

I am sorry to be the one to let you down.
I wish I could post a picture showing you my findings but Trust Pilot does not offer this feature.

Some positives is the music is good, visuals are good, concept it GREAT.

...But it's all fake.

March 12, 2024
Unprompted review
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Reply from mendi.io

Thank you for sharing your feedback TW. We're here to address the concerns you've highlighted.

You're indeed correct in noting that 1. Mendi functions as a measurement tool and 2. gravity influences blood flow. When you tilt your head forward, this alteration in blood flow is mirrored by the movement of the ball. As you noted, the very same thing is happening while performing a headstand. However, the aim of your Mendi training is to use the visual feedback provided by the app to learn how to (more consistently) direct blood to the prefrontal cortex (PFC) without needing to manipulate your posture or rely on gravity to influence the outcomes—a principle relevant to all HEG devices, not exclusively Mendi.

We'd like to assure you that the measurements provided by Mendi are authentic. The foundation of neurofeedback's efficacy is supported by substantial evidence, which is widely available for review online. To get you started, here's a systematic review of fNIRS-based neurofeedback, encapsulating all the peer-reviewed and published research within this domain: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7396619/.

Regarding Mendi specifically, here is the most recent study that utilizes it as a brain monitoring device, verifying the integrity of its measurements: www.sciencedirect.com/science/article/abs/pii/S0167876023005469

Please remember, our team is always ready to provide more personalized guidance through email at help@mendi.io. We would also be happy jump on a zoom call with you if you find it helpful. 🙏

Rated 5 out of 5 stars

Recommended by MLB Psychologists

This product was recommended to me by a, mlb, psychologist to help with focus and neuro feedback.

Customer service is incredibly helpful and truly cares about their clients. I highly recommended to others who are interested in brain health.

January 16, 2024
Unprompted review
Rated 5 out of 5 stars

me and my mendi-keeps me smart🤩

i am 88and have been using my mendi headband for about five years. It started with a slight time lag in word retrieval.
But i know all the other effects of mild
cognitive impairment are waiting in the wings and i didn't want any of them. So
far using mendi sporadically has kept
my mind working well. When i feel anything start to slow down I use the mendi daily and it gets back to normal-or even gets better than normal! i absolutely love it and recommend it to people all the time.

December 12, 2023
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Rated 4 out of 5 stars

Customer service is excellent and…

Customer service is excellent and diligent in making sure you get proper help. As for the game, it can get a bit boring but what exercise doesn't? It's good training for your brain. However, there seems to be a bug with android devices where the sessions aren't being logged properly. If not for that issue, I'd give them 4 or 5 stars since it's a good experience. But as of right now, I can't give them higher than 2 stars since not being able to log your sessions defeats a lot of the purpose with the training.

Edit 2023-12-18: The issue seems to have been resolved on the beta version of the app which I'm using, and they have also been regularly updating other bugs that are occurring. But I'm still not sure if the bug has been resolved on the public version of the app. But since it's no longer affecting me and my personal experience, I will change it to 4 stars. I think for me to give it 5 stars, I'd like to see some more variety on games as opposed to just having a single game to play.

December 4, 2023
Unprompted review
Rated 1 out of 5 stars

Useless without a functional Android phone app

I am very disappointed with the Mendi headband due to the malfunctioning app. It was good for a while but the app has been malfunctioning for more than 2 months, and as a result, it does not provide a score after completing a practice session. This means that there is no way to track my progress, and the headband is completely useless without the app. I have contacted the developer team, but they have not been able to fix the problem. I am very disappointed with this product and would not recommend it to anyone until the app is fixed.

November 15, 2023
Unprompted review
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Reply from mendi.io

Hello Sarny!

Good news, the bug has been successfully resolved. If you encounter any lingering issues, please let us know. :)

Rated 5 out of 5 stars

Life Changing

I have being using the device for just over a week and I'm starting to feel more awake and focused with a greater sense of control and calmness
I am delighted with this piece of tech

November 21, 2023
Unprompted review
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Reply from mendi.io

Hello Phil! We handle the full shipping cost for your device. Import VAT is not included in the purchase price, as detailed in our shipping policy and noted below the shopping cart on our website. Please note that in the UK, Mendis is priced at 229GBP, while in the EU, it's 299EUR. Which means you end up paying the same exact price for the device as our European customers. We are truly sorry this came as a surprise.

Looking forward to hearing more from you once you establish a consistent training routine around your Mendi. :)

Rated 5 out of 5 stars

Better stress management skills

As a menopausal woman with children in puberty our house sometimes started to feel like a stressful/loud/chaotic place. Having used Mendi almost daily for about a month, I have noticed that other people’s emotions don’t affect me as much as before. This helps enormously with keeping home- and work life more balanced and calm. I also feel like I am more in control of my boundaries and better able to say ‘no’ without feeling stressed about it. I see this tool like ‘meditation on rocket fuel’. Very easy daily 10min practice for (in my opinion) a big result. Definitely worth my money.

October 7, 2023
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Rated 1 out of 5 stars

Fraudulent device

I turned it on and started a session. I placed the headband on the counter. The ball goes up and down as if I had it on. That should be impossible, how could it record brain activity when I don’t even have it on????

August 31, 2023
Unprompted review
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Reply from mendi.io

Hell AI L, Mendi is built on fNIRS technology, It measures oxygenated hemoglobin (HbO), deoxygenated blood flow (HbR), and total blood flow (HbTot). The device employs two sensor types—senders (emitters) and receivers (detectors). Senders emit infrared light through your brain, which then travels in a banana-like shape back to the surface of your head. Receivers measure the returning light, with the increase indicating the difference in the sent and returned light.

In simple terms, Mendi gauges blood flow by shining light through your skull, where external lighting can impact readings. For accurate signal reading you have to make sure that the device sits firmly on your forehead (so that the external light cannot get to the sensors). You are of course always welcome to email us at help@mendi.io for more personalised guidance. In the interim, we hope this explains the technology a bit better.

Rated 2 out of 5 stars

Fake reviews

Fake reviews! C’mon Mendi, if you are going to write the fake reviews, don’t make them cheesy and obvious that you are writing them! This is plastic headband that does nothing but make you think it works

August 21, 2023
Unprompted review
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Reply from mendi.io

Hello Lannie,
The evidence supporting the effectiveness of neurofeedback is robust and readily accessible online. To get you started, here's a systematic review of fNIRS-based neurofeedback (the same tech Mendi is built on), summarizing all peer-reviewed and published research in the field: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7396619/

And here’s our own study which compares measurements of brain activity from your Mendi with an established laboratory fNIRS device:
https://mendi-webpage.s3.eu-north-1.amazonaws.com/Mendi_signal_validation_interim_report_final.pdf?fbclid=IwAR2abGa5J67lU3d7pF-KmnuQCm6MbgdIrAQmRiWI_9Ot1h0KbeS6i86R5ls 



In short, it compares Mendi (in a laboratory and home settings) with a state-of-the-art, research-grade fNIRS device from Biopac - think of it as the golden reference standard of fNIRS technology. A preliminary analysis of the data has shown a great agreement between the measurements for the two devices. At the group level, the correlation between the results was 0.81, which is amazing and means that Mendi compares very favorably against top research equipment. No small feat given that we built our hardware for home use.

Please email us at help@mendi.io for more personalized guidance. We would love to evaluate your session logs to see what could be improved in your training routine.

Rated 5 out of 5 stars

Focus plus other benefits

Mendi is a wonderfully helpful tool to enhance focus, and a number of other mental functions and skills. As with any improvement, consistent practice is critical. Once you get into the routine of spending even a daily 5 minutes using the Mendi, the results do begin to show up. No doubt, they are a little different for each person, but reading the comments from others, and comparing that to my own experience, one of the key benefits is greater ease and quality in one's focus. That by itself has lots of "spill over" benefits to other parts of your life. Also, I have found the Mendi team to be very customer focused. Keep enhancing this excellent tool!

July 15, 2023
Unprompted review

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