OnlyCat - Microchip Cat Flap with Prey Detection
OnlyCat - Microchip Cat Flap with Prey Detection - Image 2
OnlyCat - Microchip Cat Flap with Prey Detection - Image 3
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OnlyCat – Microchip Cat Flap with Prey Detection

(618 customer reviews)

Price range: £ 275.00 through £ 499.00

Let cats in, keep mice out.

Microchip access in both directions, individual curfews and prey detection—all controlled through one app.

Fits a 165 × 172 mm opening, or a compatible circular glass cutout. Check fit details

Mounting
Where will it be fitted?
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Mounting Adaptor See all sizes and shapes →
Tunnel Extender – 50mm £ 10.00 Details ↗
Power cable

A 3 m power cable and adaptor are included. Mains power is required.

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USB-C Extension Cable — 1m £ 12.00 Details ↗
USB-C Extension Cable — 2m £ 18.00 Details ↗
USB-C Extension Cable — 5m £ 25.00 Details ↗
Optional extras
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Before you order

In stock · typically ships in 2–3 working days · secure payment

SKU: OC-1000 Category:

Wild outside. Calm inside.

Let cats be cats — and keep what they catch outside.

  • Your cats, in and out. OnlyCat reads your cats’ microchips or compatible collar tags on entry and exit. Choose who may come in, who may go out and when, cat by cat.
  • A decision in the blink of an eye. OnlyCat checks for prey on the flap itself, typically in 0.2 seconds—even after dark.
  • See what happened. Review arrivals, departures and detected prey attempts, with videos, notifications and household sharing in one app.
  • Designed and built in the United Kingdom. Tested before it leaves us, with a two-year warranty and 30 days to try it at home. Read our returns and warranty policy.

“I feel so much better.”

  • “A device that’s given me my life back. Free to finally enjoy outings and holidays without worrying.”

    Fatima B.

  • “Our cat tried 16 times to bring a gift in. Waking up to see we avoided midnight carnage is just amazing.”

    Sarah C.

  • “I love my cat but I couldn’t cope with the presents. The flap did exactly what it was supposed to.”

    L Porquoi.

Rated 4.8 on Trustpilot by owners. Read owner reviews

618 owner reviews4.88/5

  1. Jean-Pierre Hogne – Google

    We bought OnlyCat because it was built on the trustworthy Sureflap cat door. The device kept all the excellent features of Sureflap, adding the wonderful ability to prevent our cat from importing mice and birds, dead or alive (which is even worse). We didn’t buy a cat door, we bought peace of mind and trust. The device works perfectly, the Support team is available and reactive, this is our best purchase since a long long time.
    Photo attached by Jean-Pierre HognePhoto attached by Jean-Pierre Hogne

  2. Jennie Louise Hall – Trustpilot

    No more 'presents' in the house!

    Cat flap was easy to instal and has been flawless so far! One of our cats is a real hunter and used to bring in alive ‘presents’ for us, which would result in us running around the house at all times of the day trying to catch whatever gift she had released for us. Since installing the cat flap, this is a distant memory! It also provides the added bonus of peace of mind as you can see which cat is in/out. We hesitated to buy one of these cat flaps due to the cost for a good 6 months, but I can honestly say it’s the best money we’ve spent!

  3. Jess – Trustpilot

    Absolutely brilliant

    Absolutely brilliant! We have only had the cat flap installed for a couple of weeks but it’s worth every penny already – no more daily manic chases around the house trying to catch cat & bird, no more cleaning up feathers and bird poo from all around the house, no more being constantly on edge never knowing what prey was going to be set loose in the house or what we would come home to. It has saved us so much time and stress already. Installation was really easy and quick and the OnlyCat team have been really responsive and helpful with any queries we have had. Thank you for developing this product!

  4. Diana Aroutiounova – Trustpilot

    This cat flap is LIFE CHANGING

    This cat flap is LIFE CHANGING! I live in nature and my beautiful cat Devi loves to bring me alive rats 🐀 once she brought 3 in one night and dropped them in my room. I spent hours online trying to figure out how to deal with this…then I stumbled on OnlyCat. I was absolutely blown away by the technology, it almost looked too good to be true. What can I say! After trying this for a week, it’s the best invention for cat owners! The piece of mind it brings is worth every cent! Even in training mode, the cat flap identified that my cat was trying to sneak in a rat and scared her off with the alarm sound. Unbelievable! I woke up hours later finding my cat crawled up in bed with me and was shocked to see the videos on my phone with her trying to sneak in the prey! I’m so so grateful! This will be the best purchase for you little hunter! 🥰🙏🏼

  5. Annette – Trustpilot

    It works!!

    We're thrilled. We've had the cat flap for a few weeks now and it works perfectly. So far not a single piece of prey has found its way inside. The app works too, and the videos are fun to watch. The flap is expensive overall, but for me it's worth every penny.
    Many thanks

    Translated from German

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    Es funktioniert!!

    Wir sind begeistert. Seit ein paar Wochen haben wir die Katzenklappe und sie funktioniert perfekt. Bis jetzt hat noch keine Beute den Weg nach drinnen gefunden. Auch die App funktioniert und die Videos sind lustig anzusehen. Die Klappe ist insgesamt teuer, aber für mich jeden Rappen wert.
    Vielen Dank

  6. Nastase – Trustpilot

    Absolutely fantastic product …

    I am forever grateful to the team at OnlyCat for inventing this amazing product. After years of finding mice remains on the floor, or, worse, having to chase live ones around the house (thanks to one of my cats who is a talented hunter), I finally have my peace of mind back!!! I’ve used OnlyCat for about two months, and it has blocked every single prey delivery attempt from my cat. Amazing! Everything else works perfectly as well: it reads the chips for both my cats without problems, I can set special programs (e.g., lock in for the night), the product looks good and installation was very simple (I just replaced my old SureFlap cat door with this one, no need to cut new holes etc.). The support team at OnlyCat is very responsive and helpful. All in all, a fantastic experience! This product is not cheap, but it is worth every penny!

  7. CC – Trustpilot

    Absolutely brilliant

    Absolutely brilliant. Every cat owner should get one. Can’t thank the Only Cat team enough for having created such an amazing product.

  8. Mr E Lee – Trustpilot

    This cat flap is fantastic

    This cat flap is fantastic. We have a very active Bengal and he love the freedom of coming and going. However… he is a hunter. We got the cat flap on the recommendation of my sister. What a brilliant decision. Our cat is calmer and more settled now he can come and go and we are confident that no contraband enters the house. Its first test was a live rabbit. Thankfully the rabbit escaped. Another attempt was a bird. Again no entry allowed. I think our cat now knows not to bother trying as he won’t be let in. Best investment for peace of mind. Easy to set up. Can’t recommend enough.

  9. Kathy – Google

    What a great invention! 🥰 Yesterday we installed OnlyCat and last night we saw our cat being kept outside with prey. It's fantastic and worth every penny!! A thousand thanks to the developers, we are very grateful! 🫶 …

    Translated from German by Google

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    Was für eine tolle Erfindung 🥰Gestern haben wir onlycat installiert und heute Nacht konnten wir sehen, wie unsere Katze mit Beute draußen bleiben musste. Es ist fantastisch und jeden Cent wert!! Tausend Dank an die Entwickler, wir sind sehr dankbar 🪿

  10. Claudia M. – Google

    Easy ordering, payment, and delivery to Germany. A question I had for support was answered quickly and courteously.

    The OnlyCat was a perfect replacement for the SureFlap DualScan cat flap! Installing the flap and the app was a breeze.

    Just 20 minutes after registering the cats, it successfully prevented a bird from getting in!

    I'm absolutely thrilled with the cat flap! It's definitely worth the money! Highly recommended.

    I also really enjoy the videos of the cats. I hope to enjoy this cat flap for many years to come!

    Translated from German by Google

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    Einfache Bestellung, Bezahlung und Lieferung nach Deutschland. Eine Rückfrage an den Support wurde schnell und freundlich beantwortet.
    Die OnlyCat passte perfekt als Austausch der SureFlap DualScan Katzenklappe! Die Installation der Klappe und der App funktionierte problemlos.
    Bereits 20 Minuten nach der Registrierung der Katzen wurde das Mitbringen eines Vogels erfolgreich verhindert!
    Ich bin sehr begeistert von der Katzenklappe! Sie ist in jedem Fall das Geld wert! Klare Kaufempfehlung.
    Außerdem habe ich sehr viel Freude an den Videos von den Katzen. Ich hoffe noch viele Jahre Freude an der Katzenklappe zu haben!

    Photo attached by Claudia M.Photo attached by Claudia M.

  11. Elsi Media – Google

    Fantastic product, highly recommend!

  12. Asef Zahed – Google

    Excellent product, beautifully engineered and top notch customer service! I fully recommend!!

  13. Jordi Asher – Google

    Yes it was expensive. But it’s worth every single penny.no more dead things, or living things.

  14. Urs Augsburger – Google

    Only Cat works perfect right after installation. I installed it some weeks ago and never had a mouse inside since then. I am really happy with it!

  15. Helen Storey – Google

    Fantastic product. Been waiting for it for a year and it is so worth every penny. It’s stopped so many mice being brought in and saved all the damage in the house they used to cause. Customer support is fantastic. Highly recommend

  16. Dan Hune – Google

    Having installed “OnlyCat”, we can say that it works very well. In the season for mice, we have had up to 5 “deliveries” in a day. As it looks now, these days are long gone! Unreserved recommendation from me and my wife.

  17. J Carter – Google

    We’ve only had our Only Cat cat flap for around 2 weeks but last night it worked and blocked one of our cats bringing in a present.
    Very happy with it so far. What a great concept.
    Photo attached by J Carter

  18. Andie Stephany – Google

    Well worth the nearly 2 year wait. Having installed it 2 weeks ago, yesterday the first contraband was detected and stopped. I have twin girls and they love bringing me presents – but no more!!! Thank you Tomas and the gang

  19. Clare Lucas – Google

    As I said to the Onlycat team a few days ago, they are geniuses and life savers in equal measure. I’m finally saved from my two cats bringing in their presents, both dead and alive. This cat flap is one of the best things I’ve ever purchased!

  20. EdinburghJenn – Google

    We LOVE our new kitty AI overlord that we affectionately call ‘Carson’. Carson has freed us from having to manually open and close the kitty flap (we had to do so as our naughty kitty just LOVES to bring critters into the flat). Since employing Carson, we’ve enjoyed watching our kitty’s comings and goings via video updates and seeing him ‘cleared’ for entry without worrying about what ‘friends’ he has brought with him. Buy this, you won’t regret it!
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