Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Speechmatics: Speech-to-text and voice AI provider offering real-time transcription and live captioning APIs. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Aiko when transcribing recorded lectures into searchable text for studying matters most, and Speechmatics when embedding automated transcription into meeting or media platforms matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately.
Speech-to-text and voice AI provider offering real-time transcription and live captioning APIs.
Aiko is a native transcription app for macOS, iOS, and visionOS, developed by Sindre Sorhus, that converts speech to text from meetings, lectures, and recordings entirely on-device. It uses OpenAI's Whisper model running locally, so audio never leaves the user's device, which makes it appealing for students and professionals with privacy requirements. Aiko transcribes both audio and video files in common formats such as .m4a, .wav, .mp3, .mp4, and .mov, and supports around 100 languages. Transcriptions can be exported in multiple formats, including JSON, CSV, and SRT subtitles, and the app includes a word-replacement feature to automatically correct recurring errors. It also integrates with Apple Shortcuts for automation workflows. Because Aiko prioritizes accuracy over speed, it does not perform live transcription while recording and currently does not include speaker detection, so it is best for transcribing recorded lectures, interviews, and meetings after the fact. The app is offered as a Universal Purchase with a free trial via TestFlight, making it a low-cost, privacy-first option for turning lecture and meeting recordings into searchable text. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Speechmatics is a speech-to-text and voice AI company that provides transcription and captioning technology through APIs, supporting both recorded and real-time audio across many languages. Its core offering converts speech to text for multilingual, multi-speaker conversations, with low-latency real-time processing suitable for live use. The platform powers live captioning for events, sports, news, and broadcasts, and its transcription technology can be embedded into other products, including meeting platforms that need automated note-taking and captions. Because Speechmatics is delivered primarily as a developer-facing engine, it serves teams building their own applications as well as media and enterprise customers who need accurate speech recognition at scale. It supports features such as multi-speaker handling and broad language coverage, and the company emphasizes security and compliance certifications. Speechmatics is aimed at developers, product teams, media organizations, and enterprises that need to add accurate transcription, subtitles, or live captions to their own workflows and applications rather than use a packaged consumer note-taker. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Speechmatics is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Speechmatics |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Speech-to-text transcription for recorded and real-time audio |
| Standout feature | Support for roughly 100 languages | Low-latency real-time processing for live use |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Live captioning for events, broadcasts, and streams |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Multi-speaker and multilingual support across many languages |
| Languages & capture | Word-replacement feature to auto-correct common errors | APIs for embedding transcription into other applications |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Speech-to-text transcription for recorded and real-time audio |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Speechmatics
Choose Speechmatics if you need adding live captions to broadcasts, sports, and events — strengths include real-time, low-latency transcription suitable for live captioning.
Aiko
Speechmatics
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Speechmatics is strong for adding live captions to broadcasts, sports, and events. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Speechmatics is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
You can — some teams pair them when each covers a different part of the meeting workflow.
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