Apple has quietly made iPhone dictation one of the better built-in speech-to-text experiences available. If you haven't tried it since the early days of Siri, it's worth a fresh look — but go in with realistic expectations.
How to Use It
Tap any text field to bring up the keyboard, then tap the microphone icon at the bottom-right corner (or bottom of the keyboard on newer iOS versions). Start speaking, and your words appear in the text field. Since iOS 16, the keyboard stays visible while you dictate, so you can tap to correct words, move the cursor, or type intermittently without stopping dictation.
You can also use dictation with Siri by saying "Hey Siri, send a message to..." but this limits you to specific app integrations and shorter messages.
What's Improved
Apple now processes dictation on-device for supported languages (English, French, German, Spanish, Japanese, Korean, and others). This means your audio stays on your iPhone — it's never sent to Apple's servers. Processing is fast because there's no network round-trip, and it works without an internet connection.
The hybrid typing-and-dictating experience is genuinely useful. You can speak a sentence, tap to fix a word, continue speaking, then type a technical term the dictation might miss. It's fluid in a way that earlier versions weren't.
Automatic punctuation has gotten better too. The system inserts periods, commas, and question marks based on your speech patterns and pauses without you needing to say "period" explicitly. It's not perfect, but it's better than manually dictating every punctuation mark.
Real Limitations
Accuracy sits around 90–93% in ideal conditions — quiet room, clear speech, common vocabulary. That sounds decent, but it means roughly one error per sentence in longer dictation. For text messages, that's tolerable. For professional emails or documents, it means significant editing.
Auto-punctuation works for basic sentences but falls apart with complex structure. It won't insert semicolons, em-dashes, or colons correctly. Paragraph breaks require you to say "new paragraph," and even then the spacing can be inconsistent.
There's no way to train or customize the vocabulary. If you regularly use industry jargon, uncommon proper nouns, or technical terms, you'll fight the same misrecognitions repeatedly with no way to teach the system.
Session length is another constraint. While Apple doesn't publish a hard limit, users report that dictation becomes less responsive after several minutes of continuous use, and occasional drops mid-sentence still happen.
When You Need More
iPhone dictation is great for messages, quick notes, and short responses. For longer content creation — emails over a paragraph, document drafts, professional writing — the accuracy and formatting limitations make it slower than typing once you factor in corrections.
If voice input is a core part of your productivity workflow, a desktop tool like Transcribo delivers the accuracy and formatting intelligence that phone dictation can't match. Use iPhone dictation for the quick stuff, and save the heavy dictation for your computer where dedicated software can do it justice.