Yullo

Your ideas,
less effort.

Wherever you type.

  • Talk. It’s typed.
  • Write to anyone, in their language.
  • Rough draft in, clean draft out.
  • Ask for changes out loud.
System
macOS 26 or later
Chip
Apple silicon
License
Free, Apache 2.0
Runs
On your Mac

See it in use.

The real app, in your language.

These are the shortcuts out of the box, and you can change any of them in Settings.

⌃⇧V

New Message

To: Equipo

Subject: Jueves

Hola, equipo: ¿Podríamos pasar la reunión del jueves al viernes? Ese día tengo una entrega. Gracias,

hi team, so, the meeting on Thursday, um, can we, can we move it to Friday? my deadline’s that day. thanks

Inserted
Refining…Open in YulloCancel
Yullo

Auto-detect ▾English ▾

Refine ▾Cancel

Yullo

In my own language I’m actually pretty funny. I really hope you get to meet that side of me.

Auto-detect ▾French ▾

Dans ma langue, je suis plutôt drôle, en fait. J’espère vraiment que tu découvriras ce côté de moi.

Refine ▾Replace↩Cancel

Made to fit you.

Format

hi team, um so the report’s done, I’ll send it tomorrow morning, no actually tonight, thanks

Hi team, The report’s done. I’ll send it tonight. Thanks,

Formats. Speak plainly, get an email.Add your own formats.

What dictation writes

Everywhere else

Mailin

Messages

Chatin

Per app. Mail gets an email, Chat a message.

Personal vocabulary

  • Yullo
  • Petrichor
  • Worcestershire
Your words. Teach a word once, it stays right.

Ready when you are. On your Mac, ready as you speak.

Your words, after you stop
By your last word
Stop speaking, and the text is there.
Ready for the next sentence
< 0.01 s
Faster than a blink.
A sentence translated
In the pause
Finish a sentence, it’s translated.
Read aloud starts
Right away
Long or short, no waiting.

Measured on an M3 Mac with 16 GB, with Yullo’s recommended models.

Bring your own engine.

Your voice never leaves your Mac. Translation, writing and reading aloud can stay there too, or go to a service you choose.

  1. Apple speech recognition, local models, or import your own.

  2. Apple Translation, local models, Ollama, or import your own.

    Online: Any OpenAI-compatible API, or Claude Code and the Codex CLI you already use.

  3. macOS voices, or local voice models.

    Online: Azure Speech, Google Cloud Text-to-Speech, ElevenLabs or a custom speech API.

  4. Apple Foundation Model or Ollama, on this Mac.

    Online: Any OpenAI-compatible API, Claude Code or the Codex CLI.

Dictation

Apple Speech

Whisper Large v3 Turbo

Parakeet TDT 0.6B v3

Qwen3 ASR 0.6B

Translation

Apple · on device

Hy-MT2 1.8B

TranslateGemma 4B

Online service (API)

Read aloud

macOS voices

Kokoro 82M

Qwen3 TTS 1.7B

ElevenLabs

Choose a writing service

Apple Foundation Model

Ollama on this Mac

Online service (API)

Claude CodeCommand-line tool · haiku

Codex CLICommand-line tool

Cancel

Where Yullo works

Audio and text stay on this Mac. Downloads need an internet connection.

Dictation
Translation
Writing
Private. Stays on your Mac, unless you choose.Keys live in the Keychain.

Also in Yullo.

  • Temporary formatDescribe the situation once, every dictation follows it until you end it.

Get started.

For macOS 26 or later on Apple silicon.

Install

If you use a coding agent, let it install Yullo for you.

Install Yullo on this Mac from https://yullo.me/install.sh

curl -fsSL https://yullo.me/install.sh | sh

Installs the latest version into Applications, ready to open. Read the script

Build from source

git clone https://github.com/supnorm/Yullo.gitCloning into 'Yullo'...cd Yullopython3 scripts/setup-signing.py --createLocal signing identity created in Keychain; temporary key files removed.bash build.sh…/Users/you/Yullo/build/Yullo.apppython3 scripts/install-update.py --destination /Applications/Yullo.appInstalled Yullo: /Applications/Yullo.app

The first build takes a while, since it gathers everything Yullo carries inside. Keep the folder in a short path. Details are in the README.

Needs Xcode 26, git, cmake, python3

Disk image

Download Yullo.dmg

Version 1.0

The first time you open it, macOS asks you to confirm: System Settings › Privacy & Security › Open Anyway.

A short guide opens on first launch.