How to Dictate in Substack: Posts, Notes, and Newsletters by Voice

Short answer: Substack has no built-in dictation button, but Voice Keyboard Pro adds one everywhere. On Mac, hold a hotkey and speak into the post editor, Notes, or comments; on iPhone, tap the mic on the Voice Keyboard Pro keyboard inside the Substack app. Speak the prose, type the links.

Substack runs on a simple idea: the best newsletters sound like one person talking to another, not like a press release. So there is something quietly ironic about the fact that almost every writer produces them by typing, which is the least conversational way to get words out of your head. If you have ever read a draft back and felt it sounded stiff, the fix might not be heavier editing. It might be speaking the first draft instead of typing it.

This guide covers how to dictate in Substack across every surface the platform gives you, on both Mac and iPhone. It also draws a clear line around the parts you should keep typing, because voice is a scalpel, not a hammer, and knowing where not to use it is half the skill.

Why Substack has no mic button (and why that does not matter)

Substack's editor is a web page on the desktop and an app on your phone. Neither has a dedicated dictation control of its own. On the Mac you could reach for Apple's built-in dictation, but it fights with rich-text editors, cuts off after a stretch of talking, and drops punctuation in ways that make you edit more than you saved. Inside the Substack iPhone app you get the standard iOS mic on the system keyboard, which is fine for a quick sentence and frustrating for a full essay.

The cleaner answer is a tool that types wherever your cursor already is. Voice Keyboard Pro is a voice-to-text app for Mac and iPhone. On the Mac it lives in your menu bar: you hold a hotkey, speak, release, and your words appear at the cursor in whatever app is in front, including the Substack composer running in Chrome, Safari, or Arc. On iPhone it is a keyboard with a mic button built in, so you switch to it inside the Substack app and tap to talk. There is no plugin to install into Substack, no browser extension to authorize, and nothing that changes how your publication is stored or delivered.

That "types at the cursor" model is exactly why the same approach works in tools that have no mic of their own, from Ghost to beehiiv. Substack is just another text field to the voice layer.

Setting up voice for Substack in two minutes

On Mac. Install Voice Keyboard Pro, grant microphone and accessibility permission when prompted, and pick a hotkey you can hold comfortably. Open your Substack dashboard, start a new post, and click into the body. Hold the hotkey, say a sentence, and release. The text lands where the cursor is. Because it works system-wide, the same hotkey dictates into the title field, the subtitle, the comment box under someone else's post, and the reply box in your inbox.

On iPhone. Install the Voice Keyboard Pro keyboard, enable it in Settings, and turn on Full Access so the mic can work. Open the Substack app, tap into any text field, switch to the Voice Keyboard Pro keyboard with the globe key, and tap the mic. Speak, and your words appear as text. This is the same flow you would use to dictate in any iOS app, which means the muscle memory carries over to your email, your notes, and everywhere else you write.

The five places you will actually dictate in Substack

People think of a newsletter as one big text box, but a published issue is assembled from several. Each one rewards voice a little differently.

1. The post editor

This is the main event and the place voice pays off most. A long-form post is a lot of words, and words are what you are slowest at typing and fastest at speaking. The average adult types around 40 words per minute and speaks at 130 to 150. When the task is "get the whole argument out of my head," that gap is the difference between a draft this morning and a draft next week. Click into the body, hold your hotkey, and talk in full sentences the way you would explain the idea to a friend across the table.

2. Substack Notes

Notes is Substack's short-form feed, and short-form is where typing friction quietly kills good posts. You have a thought, but composing it on a phone keyboard feels like more effort than the thought is worth, so it never gets posted. With the mic on the keyboard, you say the note and it is written. The barrier to posting drops to roughly the barrier to thinking, which is the entire point of a short-form feed.

3. Comments and replies

The comment section is where a Substack becomes a community, and replying to twenty readers is a genuine time cost. Speaking your replies makes them warmer and faster at the same time, because you naturally talk like a person instead of typing like a form response. Click into the reply box, hold the hotkey, and answer as if the reader were standing there.

4. The subject line and subtitle

Your subject line is the single most important sentence you write, because it decides whether the rest gets read. Dictate several options out loud in a row, the way a copywriter riffs, and read them back before you choose. Hearing a subject line spoken tells you almost instantly whether it lands or clunks. The subtitle, which doubles as your social and preview text, gets the same treatment.

5. Your About page and welcome email

The parts of a publication you write once and leave up for years are the parts most likely to sound like a resume, because you wrote them in "official" mode. Dictate your About page and your automated welcome email as if you were telling a new subscriber, out loud, what they just signed up for. The spoken version is almost always more human than the typed one.

A voice-first workflow: talk the whole issue, then cut

The instinct when you start dictating is to speak one sentence, stop, fix it, speak the next, stop, fix it. Resist that. The power of voice is momentum, and momentum dies the second you switch into editor mode. Here is the workflow that actually produces finished issues:

1. Talk it straight through. Open the post, hold the hotkey, and say the whole thing start to finish without stopping to polish. Wrong word? Keep going. Awkward phrasing? Keep going. You are producing raw material, not a final draft.
2. Read it back and cut. Now switch hats. Read the transcript top to bottom and delete everything that does not earn its place. Editing a too-long draft down is far easier and faster than staring at an empty box trying to compose the perfect line.
3. Add structure with the toolbar. Go through and apply headers, bold, blockquotes, and section breaks using Substack's formatting controls. Structure is a visual decision, so make it with your eyes, not your voice.

This "overshoot then trim" pattern is the same reason voice tends to produce better first drafts in general. You can read more about that effect in our piece on how voice typing improves first drafts. The short version: speaking bypasses the internal editor that makes typed first drafts so slow and so cautious.

What to speak, and what to type

Voice is for prose. It is not for anything with exact characters that a human ear cannot verify. Keep your hands on the keyboard for:

• URLs and links. Say the sentence, then select the words and paste the link with the toolbar. Never try to dictate a web address.
• Embed codes and buttons. Paywall markers, subscribe buttons, and embeds are UI actions, not sentences. Click them.
• Footnote markers and exact formatting. Add these by hand where they belong.
• Handles and precise names on first use. Speak them, then glance and confirm the spelling, especially for anything unusual.

The rule that keeps you fast is simple: speak the sentences, type the symbols. If it is language, use your voice. If it is a code, a link, or a layout, use your hands.

Punctuation and formatting by voice

Dictation is not just a stream of words. You control punctuation by saying it. Speak "period," "comma," "question mark," and "exclamation point" where you want them, and say "new paragraph" to start a fresh block. Once you have done it for a day, the commands vanish into the background and you stop noticing you are saying them, the same way you stopped noticing the space bar years ago.

Headers, bold, and italics are a different matter. Those are visual formatting, and the fastest path is to dictate the plain text first and apply the styling afterward with Substack's toolbar. Trying to voice-control formatting mid-sentence just breaks your flow for no gain.

Smart Vocabulary for the names you say every week

Every publication has its own recurring cast: the products you cover, the people you quote, the specialized terms in your niche. A general transcription engine will guess at unusual spellings, and guessing the same name wrong every issue gets old fast. On the Mac, Voice Keyboard Pro includes Smart Vocabulary, a personal dictionary with replacement rules. Teach it the names and terms you use constantly, and they come out spelled correctly every time without you touching them. If your beat is full of proper nouns, this is the feature that turns "mostly right" into "publish-ready." Writers who lean on it heavily can see the deeper setup in our guide for Substack writers.

Fix a line without retyping: Voice Edit on iPhone

When you are drafting a Note or a comment on your phone and a sentence comes out not quite right, you do not have to select and retype it. Voice Edit lets you speak the change. Tell it what to fix, and it rewrites the line for you, so a clumsy phrase becomes a clean one without any thumb-typing. It is the difference between voice being a nice first-draft tool and voice being something you can actually finish a post with on a phone.

Reaching subscribers who do not read English

If your list crosses borders, Voice Keyboard Pro's iPhone keyboard can translate as you dictate, across two dozen languages. Speak in English and produce a Note or a reply in another language, or speak in your first language and publish in English. For a newsletter with an international audience, that turns a translation chore into a single spoken sentence. It pairs naturally with the broader case we make in dictation for email newsletters, where speed and reach compound issue after issue.

A note on privacy

Your writing is your business, sometimes literally. Voice Keyboard Pro's servers store only operational pings, the small technical signals needed to keep the app running. Your audio and the text of what you dictate are not uploaded or kept as content. The words you speak into a draft are handled as transcription and delivered back to your cursor, not archived on our side. That matters for a Substack, where an unpublished draft can be a paid post you have not released yet.

Frequently asked questions

Can I write an entire Substack post by voice?

Yes. Dictate the body straight through, then edit and format with the toolbar. Most writers find the drafting stage, which is the slowest part of typing, becomes the fastest part of the process.

Does it work in Substack Notes?

Yes. On iPhone, switch to the Voice Keyboard Pro keyboard inside the Substack app and tap the mic. On Mac, click into the Notes composer in your browser and hold your hotkey.

Why not just use Apple dictation?

You can for a quick line, but it tends to time out during long passages and struggles inside rich-text editors. A system-wide voice tool holds up across a full essay and behaves consistently in the browser composer and the app alike.

Will it add punctuation automatically?

You control punctuation by speaking it, saying "comma," "period," and "new paragraph" where you want them. That gives you exact control, which matters more in published writing than in a quick text.

Is there a free version?

Yes. Voice Keyboard Pro has a free tier with daily limits, and Pro is $4.99 a month or $34.99 a year for unlimited use plus the extras like Smart Vocabulary and translation.

The bottom line

Substack rewards writing that sounds like you, and nothing sounds more like you than your own voice. You do not need a plugin or a special mode to get it there. On the Mac, hold a hotkey and talk into the composer. On iPhone, tap the mic and speak into the app. Draft the whole issue out loud, trim it back, format with your eyes, and keep your hands for the links. The result reads warmer, ships sooner, and costs you a fraction of the keystrokes. Try Voice Keyboard Pro free and dictate your next issue instead of typing it.