Can you keep a journal by dictation?

Yes. Dictation works in any text field, so a journal app does not need special support for it. Two checks matter more than the app's features: whether your speech is processed on your device or sent to a company's servers, and whether the app locks your entries. A journal holds some of the most private text you will write, so check both before you choose a method.

Dictation works in any text field, so the app needs no special support

Built-in speech input runs through the operating system, so it works in most apps. On a Mac, Apple says that with Dictation you can speak to enter text anywhere you can type ¹. On an iPhone, you place the insertion point in a text field, tap the onscreen keyboard where the dictation key appears, and then speak ². On Windows, you start voice typing with Windows key + H ³.

Apple's Journal app is the built-in option on iPhone. The Apple pages we checked describe its lock, iCloud sync and backups, but I could not confirm from them that Journal has a voice feature of its own. So test the keyboard's dictation key in the app before you rely on it. Open a new entry, tap the key, and speak two sentences. If the words appear in the entry, dictation works there. If they do not, type the entry, or use a journal app that accepts dictation.

Check where your speech is processed before you choose

The default processing differs by platform, so check it rather than assuming. On an iPhone, Apple says Dictation is processed on the phone in many languages, with no internet connection required ⁴. Windows voice typing works differently. Microsoft says its online speech recognition uses Microsoft cloud-based services for more accurate recognition ⁵, so your speech goes to a cloud service when online recognition is on.

Apple's cloud case has a clear default too. Apple says dictation sent to its servers is not stored unless you opt in to Improve Siri and Dictation ⁶. That limits what Apple keeps, but it does not change where the processing happens. If you want the speech handled on the device, choose a platform or app that says so.

Third-party dictation apps have their own rules. Read the privacy policy of any app that sends your speech to its own servers before you put personal entries through it. The dictation privacy policy checklist lists what to look for.

Lock the journal before the first entry

A lock keeps your entries private on the device, and it should be on before you write anything. Apple says you can keep your journal private so that only you can access it, with Face ID, Touch ID or your passcode ⁷. Apple's protection steps for Journal give two ways to turn the lock on, from inside the Journal app or in Settings.

The lock protects what is stored in the journal. It does not decide where your speech is processed, which is why the processing check above is a separate step.

Speaking can help, but the evidence is narrow

Speaking your thoughts is a different way of putting experience into words, and it has some research behind it. In a randomized trial of adults with rheumatoid arthritis, written disclosure of stressful experiences had minimal effects compared with control groups ⁸. In the same trial, spoken disclosure led to faster walking speed at 3 months and reduced pain, swollen joints and physician-rated disease activity at 6 months ⁹.

Two limits matter for a journal. The trial tested adults with rheumatoid arthritis, not people keeping a diary. And it tested spoken disclosure, not dictation software, so it does not test dictation itself. The result suggests that speech can work as a way of processing experience. It does not show that a dictated journal will help you.

When dictation suits a journal, and when it does not

Dictation suits a journal when typing is the thing that stops you writing. Speaking is often quicker than typing ¹⁰, so a short daily entry takes less time. A dictated entry also tends to read more like talk, with more repetition and fragments. For a diary that is fine, but it means a read-back will find more repeated words and broken sentences.

Dictation suits a journal poorly in three cases. If other people can overhear, you may not want to speak your entries aloud. If you need exact wording, such as a record of what someone said, a written entry is easier to check. And if the software writes a name or a date wrong, the error will sit in your record until you find it, so check names and dates on each read-back.

What to do

1. Turn on the lock in your journal app before you write the first entry, as described above.
2. Test dictation in one entry. Open a new entry, tap the dictation key on the keyboard, and speak two sentences. Keep the entry if the words appear correctly.
3. Choose on-device processing where your platform offers it, and read the privacy policy of any third-party app that sends your speech elsewhere.
4. Dictate one entry a day for a week. Read each entry back once before you save it. The guide on how to dictate gives the same read-back step for any text.
5. Check names and dates on every read-back. These are the errors a reader notices first. The question on how to proofread dictated text covers the check in more detail.

For the speech terms used here, see voice typing, on-device speech recognition and cloud dictation. For related questions, read should you edit while you dictate and how to stop saying um when dictating. For the wider subject, see the overview of dictation.

Yap, which we make, is an on-device dictation app for Mac and Windows, so it is one option if you want the speech processed on your computer. See download options for the details.