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Bloom

Build and share mobile apps in seconds

Bloom lets you vibe code cross-platform apps and test them on your phone natively in seconds. Unlike other vibe code tools, Bloom deploys a backend for you, so you can build functional MVPs and personal apps, not just toys. https://youtu.be/oeJCk_nwDZg
Active Founders
David Oort Alonso
David Oort Alonso
Founder
Building Bloom
Sirian Maathuis
Sirian Maathuis
Founder
Designer that also builds things. Now helping others do the same with Bloom.
Company Launches
🌸 Bloom - the mobile app that builds mobile apps
See original launch post

TL;DR: Bloom is the fastest way to build and share native mobile apps. No code, no backend infra, no App Store Developer account, no TestFlight, no XCode, no App Store reviews. Soon, you won’t even need a laptop ;)

Check out the future that Bloom enables 👇

https://youtu.be/4dbwKmB2L3E

Goal 🚀

Our mission is to democratize app development. We believe in a world where…

  • creators (designers, developers, entrepreneurs, kids, artists, etc.) can turn their ideas into working products in seconds
  • people build many of the apps they use every day and can change the experience whenever they feel like it, straight from their phone
  • companies can prototype mobile apps faster than ever before, going from design to putting it into the hands of users in minutes

User impressions 🤜 🤛

Our early users call us the Lovable for mobile apps, and we agree! We don’t just build toys, but full-stack apps - instantly usable on any phone.

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This is phenomenal, I work all day on native app dev and never believed you could get something new and meaningful to work on anyone’s device so effortlessly. I just started making a tron light cycle game with haptics and it nearly one shot it - will finish it off tomorrow. Amazing job Sirian and David!

I started my dev journey building iOS apps with objective C and xcode. this is so damn cool and amazing

Currently struggling through using Swift for a mobile app maybe we need to switch to bloom…

Team 👋

We’re Sirian and David — we’ve worked together for 2 years and previously built award-winning consumer mobile apps, like Giftit, and turned down an acquisition offer for Fireview from a Series A YC startup to build Bloom.

Call to action (aka how to be AWESOME 😎)

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YC Photos
Jobs at Bloom
Zürich, ZH, CH
$6K - $10K / monthly
Sophomore and above
Zürich, ZH, CH
$70K - $150K
0.10% - 0.80%
3+ years
Zürich, ZH, CH / Zürich, Zurich, CH / Remote (US)
$150K - $250K
0.50% - 2.00%
1+ years
Zürich, ZH, CH / Zürich, Zurich, CH
$65K - $150K
0.10% - 0.50%
Any (new grads ok)
Zürich, ZH, CH / Remote
$150K - $250K
0.50% - 2.00%
3+ years
Bloom
Founded:2025
Batch:Spring 2025
Team Size:2
Status:
Active
Primary Partner:David Lieb