Every meditation app loops the same 10-minute track. Estua generates music offline, locally — provably non-repeating audio for Focus, Relax, Sleep, and Recover, each with its own certificate proving it never plays the same thing twice. No streaming, no account, fully offline: the sound is synthesized in real time by a C++ engine, not pulled from a file. Pick a mode, and the music adapts and evolves for as long as you listen, multiple generative styles, a sleep timer, and a gentle sunrise wake.
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Maker
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Hi,
I built Estua because every "calm" app I tried was secretly a 10-minute MP3 on loop — you notice the repeat after a week and the spell breaks.
So I built a real-time generative music engine in C++ instead of licensing loops. It runs entirely on-device: no streaming, no account, works in airplane mode. Each session is provably non-repeating — there's a built-in certificate that shows the math behind it, not just a marketing claim.
Four modes (Focus / Relax / Sleep / Recover), 100+ generative styles that drift and evolve the longer you listen, a sleep timer with a gentle fade, and a sunrise wake-up. iOS and Android, both built on the same engine.
Would love your feedback — especially if you've been burned by looping "ambient" apps before. Happy to answer anything about how the generation works!
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how does the certificate thing actually work — like is that something I can export and check, or is it more of an internal proof that I have to take on faith?
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Maker
@leventsaje It belongs to DSP realtime and explaination for it is inside the Settings page, you can check it out
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Have been waiting for something like this, the offline-first approach with the non-repeating certificate is genuinely clever. One thing that would seal it for me: let users save a specific moment from a session as a short "anchor clip" so you can return to the exact same generative seed later when you really need to land that same mood.
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Maker
@glerdagu Thanks. Try listen more and you will see magic happens
how does the certificate thing actually work — like is that something I can export and check, or is it more of an internal proof that I have to take on faith?
@leventsaje It belongs to DSP realtime and explaination for it is inside the Settings page, you can check it out
Have been waiting for something like this, the offline-first approach with the non-repeating certificate is genuinely clever. One thing that would seal it for me: let users save a specific moment from a session as a short "anchor clip" so you can return to the exact same generative seed later when you really need to land that same mood.
@glerdagu Thanks. Try listen more and you will see magic happens
Really glad to be landed here 👟