BETAFree during the beta — 2.25M tokens a week included.
An operating system run by its AI

Imagine it.
Siren makes it.

LazySiren is a whole operating system in your browser and on Android. Its AI, Siren, runs it for you: she opens and arranges your apps, handles your files and settings, works in a real Linux — and when the tool you need doesn't exist, she builds it, right there, in seconds.

Open LazySiren — free Android app

Nothing to install on the web. No API key, no card.

The LazySiren desktop: Siren's chat on the left, the Habits app she just built on the right

The real LazySiren desktop. You asked for a habit tracker; Siren built it, put it on your desktop and set the reminder.

Made for you

You don't need thirty apps.
You need the one you just thought of.

Say what you need, in your words. Siren writes the app, checks it, and puts it on your desktop — made for exactly what you asked, not for millions of other people. Want it different? Tell her. She changes it on the spot.

“Track my habits. Streaks, and the week at a glance.”
Habits — on your desktop
“Show my sales this week, day by day.”
Sales board — on your desktop
“Invoices for my clients, with Québec taxes.”
Invoices — on your desktop
Three apps open side by side in LazySiren: Sales board, Invoices and Habits

Apps like the ones people ask Siren for, running in LazySiren. Each one is a real app you keep, change and share.

Faster than searching

No app store to dig through.

Searching, comparing, installing, then finding out it almost does what you want — that's over. Describing what you want takes ten seconds. Siren has it running before you'd have finished reading the reviews.

Yours, not rented

Make the tool instead of paying for it.

A tracker, a planner, a converter, a small business tool: you don't need a new subscription for each one. You make your own, and it stays yours.

Never finished

It grows with you.

“Add a goal line.” “Show the weekly total.” “Make it dark blue.” Your apps change the moment you ask — no waiting for someone else's update.

If you can say it

She can make it.

For your work, your home, your studies, your projects — whatever you have in mind.

A client tracker with follow-up dates Split the rent and bills with my roommates Flashcards from my course notes A meal planner with the grocery list My workout log with progress charts A dashboard for my store's orders Plan my trip, day by day, with a budget A little game for my kids A to-do list that sorts itself by deadline A phrasebook for my trip to Japan A color palette maker for my brand A shift scheduler for my team
Siren runs the machine

Give her anything to manage.
She takes it.

Siren isn't a chat box beside your work. She operates the whole system — with the same tools you have, while you watch.

Apps and windows

Opens, arranges, closes and pins your apps. “Close everything except my notes” just happens.

Your files

Reads, writes, sorts and finds your files. Ask her about any of them.

A real Linux

A real Debian with internet: git, python, ssh. She runs the commands and reads the results herself.

Reminders

“Remind me at 8 pm.” Done — and she tells you when it's time.

Settings and look

Accent color, wallpaper, voice, layout: ask, and the whole OS changes.

Memory

She remembers you, your projects and what you told her — across sessions and devices.

Your screen

Share your screen and she sees what you see, so she can help with what's in front of you.

Your voice

Talk to her and she answers out loud, in your language. Interrupt her any time.

Self-healing

She fixes her own mistakes. Before you see them.

Every AI makes mistakes. The difference is what happens next. With Siren, you don't have to be the one who catches them.

  • Every app is checked before it reaches you. Siren runs what she wrote, finds the real errors and repairs them first.
  • If an app breaks later, she fixes it on the spot. She reads the error, repairs the code and reloads the app.
  • Her actions are verified. When something she does fails, she sees the exact error and tries again the right way.
What happens when an app crashes
App built→ Error found→ Siren repairs it→ Running again

No error report to read, no ticket, no copy-pasting code into a chat. It's handled — and you keep going.

Proactive

She speaks first.

Most AIs wait for you to type. Siren pays attention. She writes to you when there's something worth saying — a good morning, a deadline coming up, a follow-up on what you were doing, an idea for your app.

  • Her message lands in her chat, with a red badge on her icon, like a message from a friend.
  • Never at night, never while you're busy writing, never too often.
  • Prefer quiet? One switch in Settings.
LazySiren desktop with a message from Siren in the corner and a red badge on her icon
For builders

A full studio, with Siren at the keyboard.

Write code yourself in HyperIDE, and let AutoForge scan your project, fix what's broken straight in your files, write the tests and build files, and open the pull request on GitHub.

  • HyperIDE — editor, live preview, Linux terminal and git in one window.
  • AutoForge — scan, fix, test, build, ship. Or one tap: Autopilot.
  • Real Debian with internet — git, gh, hf, ssh, python, pip. Your home folder is kept.
  • Marketplace — publish what you make; others get it in one tap.
HyperIDE with AutoForge open on a project, listing the issues it found
Everywhere you are

Same OS, same Siren,
in your pocket.

Open it in any browser or install the Android app. Your apps, files and Siren follow your account, not the device.

The Habits app on a phone
Siren's chat on a phone
A message from Siren on the phone's home screen
Pricing

Free during the beta.

Everything is included: the OS, Siren, her AI, the apps you make. No API key, no card.

Beta
$0 / month
  • 2M tokens every week on LazySiren Cloud, refilled automatically
  • Apps made for you, and up to 10 published a week
  • The full OS: HyperIDE, AutoForge, Linux, MorphOS, memory, voice
  • Web and Android, one account
Open LazySiren

After the beta

Published now, so there are no surprises later.

FreeBaseline
$0
StarterMore than 2× Free
$9.99
PlusAbout 2× Starter
$19.99
MaxMore than 2× Plus
$39.99
Ultra4× more than Plus
$79.99
Questions

Asked, answered.

A complete operating system — desktop, windows, files, apps, a real Linux — that runs in your browser and on Android. Its AI, Siren, is built into it: she can do anything you can do in the OS, and build what's missing.

Any tool you can describe: trackers, planners, dashboards, calculators, small business tools, games, study aids. Describe it in your own words; she builds it, checks it and puts it on your desktop. Then ask for changes as often as you like.

Yes. They live in your account, you can open their code in HyperIDE, change them, and publish them on the Marketplace if you want others to have them.

Yes. Each app is run and checked before you get it, and real errors are repaired first. If an app crashes later, Siren reads the error, repairs the code and reloads it automatically.

No. Siren's AI, LazySiren Cloud, is included with your account. Sign in and she's ready.

Yes: in your phone's browser, or with the Android app. The same account, apps and files everywhere.

The plans above apply, and there is a free plan. If you never add a card, you're never billed.

What will you ask her for?

Open LazySiren, say what you need, and watch it appear.

Open LazySiren — free Android app