David Swarowski

Longist - AI longevity health coach

Longist – The Biohacker’s Longevity Toolkit, engineered to help you gain up to 13 healthy years of life — built for biohackers, by longevity obsessives.

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David Swarowski

🚀 Super excited to share Longist with you all today!

We created Longist after realizing how difficult it was to actually measure how daily choices — especially what we eat — affect our long-term health. There’s a ton of information out there, but very little that connects it personally and immediately to your life.

That's why we built Longist: an app that uses AI and science to estimate how meals, habits, and activities impact your longevity — in real time — and give you simple, actionable ways to improve it.

We believe everyone deserves to know how they can add healthy years to their life without having to decode academic papers.

Watch our 1-min launch video here:



We’d love your feedback, questions, and ideas! 💬

What health or longevity habits are you most curious about?
What would make a tool like this even more helpful for you?
Any features you’d love to see next?

Jump in the comments — we’re here and excited to chat! 🙌

Supa Liu

Congrats on launching Longist! A focused, data-driven toolkit for extending healthspan is just what the biohacking community needs. Love the clarity of purpose and deep commitment to longevity.

David Swarowski

@supa_l Appreciate it! We built Longist for fellow hunters pushing the edge—excited to keep evolving it with this tribe. We hope you love it as much as we do! Join our movement of biohackers and longevity obsessives!

Ioannis Bakagiannis

Great take on nutrition! I would really like a more personal approach though in the AI conversation but that's just me.

Also if you are considering having a meaningful free tier to increase adoption feel free to reach out :)

David Swarowski

@ioannis_bakagiannis Thanks for the feedback! Personalization is a top priority—we're making the AI feel more like a real longevity coach.

We actually offer a 3-day free tier, and most people can’t stop using it after. Would love to connect more on this!

Ioannis Bakagiannis

@david_swarowski awesome to hear that! Sure hit me up

David Swarowski

🤝 🤝 🤝

Manu Goel

Does it also factor in your daily activity...i mean like a feed from a health app e.g. Apple's native health app?

David Swarowski

@manu_goel2 Yes, we integrate with Apple Health and use that data to set daily benchmarks based on your Longevity Score. It helps you improve in real time with personalized nudges across movement, sleep, and more.

It’s all about making progress visible—and actionable—every day.

Jason Chernofsky

wow, great idea!

David Swarowski

@jason_chernofsky , Thank you! We worked hard to deliver it 😊

Liliana Khachaturyan

I’ve used the app for meals I’ve thought were healthy, but realized they’re not! Helped me through some choices with my food.

David Swarowski

@liliana_khachaturyan Love that! Realizing what’s actually healthy and can add minutes to your life is a game-changer — glad we could help!

Lozan Lozanov

The product looks awesome!
It has tons of potential due to the trend that's going on.
Tons of possibilities to partner with industry brands about supplements etc..

However, the video is generated by AI - don't want to be a hater, but come on "Tom 52" AI ... this is the only thing that will turn me off from the product. The regular Joe won't probably notice, but for this app the target is smart educated people.

Good luck!

David Swarowski

@lozzzko Thank you for your feedback!

We don’t hide the fact that this was created using Veo3. In fact, our team completed it in just 5 hours. We're proud to be bootstrapped and to have saved over $100,000 in costs — this allows us to make the product itself accessible to more people so they can live healthier lives. Regarding the names — we aimed to show role models and ideal customer profiles that users can identify with.

We hope you enjoy the product as much as we do.

Lozan Lozanov

@david_swarowski  Product is awesome!

Michel Petit

That’s a really interesting idea and definitely an app with a valid use case 💚🚀

David Swarowski

@michel_petit1 Thanks so much! That means a lot 💚 We're just getting started—excited to see how far we can take it 🚀

Nelly

This app has helped me make smarter choices about food, and I have gained knowledge about nutritional facts about my food that I consume!

David Swarowski

@nt9999 Love hearing that! Thanks for being with us — glad Longist is helping you make smarter choices and learn more about your food! 💪🥑

Erliza. P

Longist brings a personalized, AI-driven approach to wellness and longevity 🧬🤖. Having a health coach focused on long-term habits feels like a smart step toward sustainable living.

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