Questions
Five questions, and the shortlist picks itself
Feature tables are a poor way to choose a dictation app, because the features are broadly the same. These five questions eliminate options rather than scoring them.
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Question 1: Must the audio stay on your machine?
Not would you prefer it — must it, because of what you dictate or who you answer to. Privileged legal material, patient notes, source protection, unannounced commercial information, anything under an NDA.
If yes: every cloud product is out, regardless of how good it is. This is the only question that eliminates on an absolute basis, which is why it goes first.
If no: the whole market is open, and the cloud products are genuinely strong — bigger models, more languages, more platforms.
Question 2: Do you dictate on anything other than a Mac?
A phone in daily use, or a work PC. Be honest — not "occasionally", but whether you would be annoyed if it did not work there.
If yes: most local Mac apps are out, because they are Mac-only. This is the single most common legitimate reason not to buy a local app, and it is worth discovering now.
If yes and question 1 was also yes: your options are narrow. Look at the local apps with more than one platform, and accept that the phone may have to use something else.
Question 3: Do you correct the same words every day?
Keep a note for a week. If the list is short and varied, general accuracy is fine and you have no vocabulary problem. If it is the same fifteen proper nouns, you do.
If no: macOS's built-in dictation is free, already installed, and probably enough. Stop here and keep your money.
If yes: you need custom vocabulary, which the built-in one does not have. This is the question that most often justifies a purchase.
Question 4: Do you work without a connection?
Flights, trains, client sites, basements, hotels with hostile Wi-Fi. Regularly, not once a year.
If yes: cloud products are unusable at exactly the moments you wanted them. Local, and check that the tidy-up step is local too — a lot of apps recognise offline and then fail on the rewrite.
Question 5: Do you want to stop paying at some point?
A preference rather than a requirement, and it narrows things usefully.
If yes: look at one-off licences, which exist only in the local half of the market. Cloud products cannot reasonably offer them because inference costs them money on every dictation.
What the answers produce
| Pattern | Where to look |
|---|---|
| No to everything | macOS's built-in dictation. Free, installed, enough |
| Yes to 3 only | Any app with custom vocabulary. Price and platform decide |
| Yes to 1, 3, 4, 5. No to 2 | A local Mac app with vocabulary and a one-off licence |
| Yes to 2, no to 1 | A cloud app. Cross-platform is what they are for |
| Yes to 1 and 2 | A local app that runs on more than one platform. Narrow field |
| Yes to 1, and auditability matters | An open-source local app you can read |
| A certification requirement | A certified cloud vendor. Architecture will not substitute |
Questions that seem important and are not
- "Which is most accurate?" Unanswerable for your voice without a published method, and dominated by your microphone, your room and your vocabulary rather than the app.
- "Which model does it use?" An implementation detail that will have changed by next year. Judge the app on text insertion, vocabulary and memory management.
- "How many features does it have?" Dictation apps fail on reliability, not on feature count.
- "Which is most popular?" Popularity tracks marketing budget, and the biggest budgets in this category belong to cloud products.
Then test properly
- Install two, with different shortcuts Free tiers make this cost nothing.
- Teach each one the same fifteen words Untaught, they will all look equally mediocre and you will learn nothing.
- Dictate the same real paragraph into both From your actual work, with your jargon in it. Not a test sentence.
- Count what you had to correct That number is the comparison. Everything else is marketing.
- Run the aeroplane-mode test if privacy was a yes Verify rather than trust a new vendor's marketing page.
Questions
What is the most important question?
Whether the audio must stay on your machine. It is the only one that eliminates options absolutely, and everything else follows from it.
How long should I test for?
A week per app, with the same fifteen vocabulary entries taught to each. Anything shorter measures novelty rather than fit, and almost everyone is slower at dictating in the first few days.
Should I just buy the most popular one?
Popularity in this category tracks marketing budget, and the largest budgets belong to cloud products. That is fine if your answer to question 1 was no, and irrelevant if it was yes.
What if my answers point at nothing?
Then the free built-in one is your answer, and that is a legitimate outcome. Paying for dictation is justified by a specific problem, and if you do not have one, you do not need it.