For recorded interviews, Speak AI is the best fit when you need more than a transcript: it labels each speaker, then pulls out keywords, tone and themes, and lets you ask questions across the recording. Choose TurboScribe when you simply have a lot of files to turn into text, and Rev when the transcript must be checked by a person, for example for legal or published work. You can try the Speak AI route step by step in Speak AI: interviews into themes and quotes.
All four tools on this page take an uploaded audio or video file, split it by voice (this is called speaker diarization) and let you rename "Speaker 1" to a real name. The differences are in what happens after the transcript, and how much you trust the machine on its own.
Which tool fits which job?
- Speak AI. Upload a recording and get a transcript by speaker, plus keywords, people, brands and sentiment. AI Chat answers questions from the transcript, and you can export to Word, PDF, captions and more. Deciding factor: customer or user interviews where you need themes and quotes, not just text.
- TurboScribe. Upload audio or video, tick speaker recognition in the upload settings, and export as PDF, DOCX, SRT, CSV or TXT. It has a free plan with a daily file limit. Deciding factor: a big pile of recordings and a simple need for clean text.
- Rev. Rev makes an AI transcript first, and you can order a human-verified version of the same file. You can give the speakers' names at checkout so the transcriptionist labels them. Deciding factor: the words must be right, such as quotes for a report or a legal record.
- Sonix. Detects speakers automatically, lets you rename them in its browser editor, and exports to Word, PDF, captions and research tools such as NVivo with speaker labels and timestamps kept. Deciding factor: you edit transcripts heavily or code them in research software.
The transcription explainer covers how these tools differ from live meeting note takers.
How do I get a transcript I can trust?
- Get consent before you record, and tell people the recording will be uploaded to a transcription service.
- Record each person close to a microphone. Clean audio does more for accuracy than any setting.
- Turn on speaker labels at upload (some tools need a checkbox) and set the right language.
- Rename the speakers as soon as the transcript is ready, while you still remember who said what.
- Play back every line you plan to quote. Fix names, numbers and product terms.
- Remove personal details before you share the transcript outside the team. Some tools have a redaction option.
What does this look like in a real lesson?
In the Speak AI lesson a small accounting firm has run five onboarding interviews. You upload one recording, about three minutes long, into a folder for the study. Speak AI splits it into Speaker 0, the owner, and Speaker 1, the client, each turn with a play button and a time. You scan the keywords (First week, Welcome email, Document portal), check the people and brands it found, and jump to the low point the sentiment chart marks. AI Chat writes a summary with three problems, each with a quote and a fix. Then you export to Word with speaker names and timestamps on, and check one quote against the audio: the transcript wrote "fun" where the client said "fine".
The explainer How AI Turns Talk into Text shows why: speech-to-text slips most on short words, names and numbers, and speakers get mixed up when people talk over each other.
What mistakes should I avoid?
- Quoting without listening. One wrong word can flip the meaning of a quote.
- Leaving generic speaker labels. "Speaker 1" is useless to the next reader. Rename them.
- Uploading sensitive interviews to any free tool. Check where the files are stored and your company's rules first.
- Expecting the AI summary to be the finding. It is a first draft of themes. You decide what the interviews mean.
Key takeaways
- Speak AI: transcript plus themes, quotes and Q&A for research interviews.
- TurboScribe: many files, simple text, a free plan to start.
- Rev: add a human check when every word matters.
- Sonix: heavy editing and exports to research tools.
- Always play back the lines you quote.
Frequently asked questions
- How accurate is AI transcription of interviews?
Good on clear audio, weaker on accents, crosstalk, names and numbers. The speech-to-text FAQ explains what affects accuracy.
- Can I transcribe a recording from my phone?
Yes. All four tools accept common audio and video files. Upload the file from your phone or computer.
- What is the difference between a meeting note taker and a transcription tool?
A note taker records a live call and writes notes. A transcription tool works on a file you already have. See how to get a transcript of a meeting for both routes.