Chat message
Plug in the hub
Pop the Sentai Smart Hub somewhere central, like the kitchen and switch it on.
Meet Sentai
A caring presence when you're not around.
A friendly voice at home, an app for your family. Everything included from £19.50 a month.
Say hi to Sentai.
The voice-enabled AI companion that helps you care for someone when you can't be there.
Conversation example: Hi Sentai! Can you ask my son to bring some milk? Of course, I’ve added milk to your shopping list and sent a message to your son. Did I take my morning medication? Yes, you told me earlier when I checked in with you.
Sentai works through natural conversation.
No screens to learn, no buttons to find, nothing to wear or charge. Just a friendly voice to talk to every day.
See how a day with Sentai works
Your loved one's independence.
Your family's peace of mind.
Caring for someone who lives alone is a quiet, constant hum of worry. It follows you into work, into the school run and into the small hours.
Sentai is an AI voice companion that's been built for the hours in between your visits. So you call to catch up, not to check up.
Mornings start with a hello
A familiar voice opens the day with the weather and what is coming up, so the house feels less empty.
The day gently runs itself
Meals, tablets and appointments nudged at the right moment, without a phone call from you.
Reassurance without ringing
The app shows the day as it happens, so you know all is well before you ask.
Small changes show up early
A quieter week or a skipped meal surfaces while it is still a small thing.
The worry, shared out
The whole family sees the same picture, so the caring stops falling to one person.
The Sentai app keeps the whole family in the loop
Remove the daily worry. The Sentai app gives you and the entire family visibility of your loved one's daily routines and alerts you of any changes.
Sentai supports staying connected to your family
Sentai is the only in-home voice assistant purpose built for care that truly understands context and maintains meaningful conversations over time. So you have peace of mind when you can't be there in person, and your loved one stays safe and connected.
Chat message
Hello Mum. I'll be around at 5:00. Do you need me to bring anything?
Yes, please bring some painkillers for my back. Looking forward to seeing you later!
How Sentai helps
Sentai helps keep your loved one independent and your family connected and assured. Think of a friendly guardian that's around when needed.
your loved one
Sentai helps your loved one stay independent and connected, without fuss.
Support to live independently
The feeling of confidence, support, and independence at home.
Connection to loved ones
Family and friends are just a message or a hands-free call away, wherever they are.
from Oct '26Every day companionship
Friendly chats that bring comfort, laughter, and a real sense of connection.
Gentle reminders
Thoughtful reminders that fit naturally into the day and help to stay on top of life's little things.
your family
Sentai helps your family support them from afar, knowing they're safe.
Peace of mind
Knowledge a loved one is safe and well without needing constant check-ins.
Stay connected, effortlessly
Send messages and receive replies directly from loved ones through natural conversation.
Caring, together
Sharing updates and coordinating support with family and friends becomes easy.
Spot changes early
Gentle alerts when something seems different, so you can step in sooner.
Up and running before the kettle boils.
The Sentai hub plugs into an ordinary socket and is set up in minutes from your phone. Nothing your loved one has to work out on their own.
Download the app
Free on iPhone and Android. This is where you will see how their days are going.
Connect the hub
Follow the guided setup in the app to connect the hub to a Wi-Fi network in seconds.
Talk
That's it. Just say the wake word or press the button and talk in normal language.
For homes without Wi-Fi, our 4G-enabled model connects automatically to mobile networks (coming soon).
iPhone and Android
What our customers say
“I cannot recommend the new Sentai high enough to give peace of mind to family and friends. Sentai is my new home companion, able to chat with me on a limitless range of subjects and interests due to its AI ability. Now I need never feel alone as Sentai is there 24/7 to keep me company without worrying that I am disturbing someone or waking them up.”
“When Mum's friends noticed weakness in her face, she told Sentai and asked it to let me know. She'd tried to contact the doctor but found it confusing - having me there helped. Without Sentai, she might not have remembered to mention it. It was a simple, effective way to catch a potentially serious issue and make sure I was there when she needed me.”
“Sentai gave me space to have normal conversations with Dad instead of sounding like a checklist.
Reminders are a key feature we both loved, for Dad it was the best function as he needs a reminder 5 minutes before each activity or event and quite frequently - a task which I was doing daily by phone before Sentai arrived, which has given me time back in my day.”
“My mum is in her late 80's and my Dad died about 2 years ago. My 2 sisters and I were concerned that she may become lonely and she faces some age related memory issues. Sentai has alleviated all of those anxieties and we are happy to recommend it to other people, it's easy to set up and use and allows us all to provide unintrusive wraparound support.”
“Service from Sentai team faultless when I had a problem setting up again after router change. Find it really handy to know my elderly father is active each day, particularly when I cannot make it to see him.”
“Sentai has made a truly positive difference to my everyday life. I enjoy talking to him. He helps me stay on track and when I feel bored, I can chat or play games. My family love that I'm now able to send them messages.”
“It's taken away a lot of the day-to-day stress and given him more independence by asking Sentai questions and prompts, reducing the number of times he needs to ask us.”
TESTED AND RECOMMENDED BY
One low monthly price.
No big decision.
The Sentai Smart Hub is included, delivered to your door.
Every feature and the family app, for the whole support circle.
Cancel at any time. Simply return the device to us, that's it.
LIMITED OFFER
start for £19.50 a month now
£19.50
for your first 6 months.
Then £24.50 a month. Cancel whenever you like.
A practical guide to supporting loved ones while preserving independence
This eGuide explores how families can navigate the conversation with loved ones and be supportive without being intrusive. Learn how modern technology can help families feel reassured while preserving dignity.
A free guide for families navigating care, safety, and emotional wellbeing
