Open beta — everything free until launch

Words fly. Sinsonte catches them.

Notes with receipts, for meetings and classes — in Spanish, English, and everything you speak in between.

No bot ever joins your call. Sinsonte records on your phone or PC, tells the voices apart, keeps your Spanglish intact, and hands back a summary, action items and a mind map — every line carries a ▶ timestamp so you can check who said what.

Start free See how it works No card · Android by invite · iPhone and Mac coming
Up to 7× fewer errors on mixed-language audio than the open baseline. Measured, not promised → Sinsonte on Microsoft Store
Sinsonte
EM Erick M · Personal
Buenos días, Erick Turpial · 14 de 25 h
Preguntar sobre una reunión…
Recientes
Cliente Rivas · sesión semanal Resumen listo · 42 min
Cálculo II — clase 8 Resumen listo · 55 min
Consulta Dra. Ríos Procesando…
Proyectos
Cliente Rivas6 reuniones · 4 pendientes
Cálculo II11 reuniones · 1 pendiente
Sinsonte desktop app showing a live transcript filling in during a recording, with speaker labels and a timestamp on every line

Live, during the call

The transcript fills in while you talk.

No waiting for the recording to end — Sinsonte drafts live, speaker by speaker, with a ▶ minute on every line.

Sinsonte's Colibrí panel answering a question about the meeting while it is still being recorded, grounded in the live transcript

Colibrí — ask, mid-meeting

Ask what was just said, without stopping the call.

Type a question and get an answer grounded in what was actually said, while the meeting keeps running — no other notetaker answers questions live, on the call.

Sinsonte's finished meeting report, with a cited paragraph and a Descargar PDF button Sinsonte's finished meeting report in dark theme, with a cited paragraph and a Descargar PDF button

When you stop

A finished report, every claim with its ▶ minute.

Summary, Próximos pasos and a full document — every paragraph links back to the second it was said, and downloads as a PDF.

Hand it off

Copy it, share a link, or export the document.

Copy as text or Markdown, share a read-only link, or export the document — no watermark on paid plans.

The audio · scrub it

Real audio, under your thumb.

Scroll and the transcript fills in at the second each line was said — speaker by speaker, exactly as it was said. Drag the bar to move through the audio, or press play and hear the same words land.

  REC 0:00

    Real audio: AMI Meeting Corpus (Edinburgh, CC BY 4.0) — not client audio. In the app, every ▶ opens your own recording at that second.

    Colibrí · ask about the audio

    Ask it something. The answer brings its receipt.

    Pick a question — every answer carries the ▶ minute it came from, and clicking that chip takes the audio above back to exactly that second.

    When you stop

    The report writes itself, then it's yours to hand over.

    End the audio above and watch the document fill in — summary, key points, every line still carrying its minute. The copy buttons below really copy.

      Ready

     

    How it works

    One app, four situations.

    Pick a mode, or let it guess — the pipeline underneath is the same.

    In the room

    Phone on the table, a notepad instead of a transcript to babysit — the level bar proves it's actually catching the room.

    On the call

    System audio only, no bot joining — captions confirm it's listening without announcing itself.

    Same project, either way

    Cliente Rivas · semanal

    • 3 decisions
    • 2 action items

    A mixture of languages calls for a mixture of models.

    Spanish, English and Portuguese are the three base languages — each measured against reference recordings on every release. Thirty more languages are understood on top of those.

    • esSpanish
    • enEnglish
    • ptPortuguese beta
    • +30more languages

    Specialists in the mixtures: Spanglish, portunhol and many more combinations — the way people actually talk when two languages share a room.

    Desktop · Windows first

    The desktop notices the meeting and asks.

    When a call starts, Sinsonte sees the microphone turn on, shows you what it saw, and asks once. Nothing joins the call, nobody gets notified.

    Benchmarks

    Measured, not claimed.

    Word error rate, diarization accuracy, cost per hour — every number is on the page, with the fixtures behind it.

    See the numbers →

    Start free.

    Windows and Android today; macOS is next.

    Android Get it on Google Play On Google Play Windows Download the installer On Microsoft Store · Windows 10 and 11
    Apple

    Coming to iPhone and Mac. Leave your email and you'll be first to know.