Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Sonnet AI: Bot-free AI meeting assistant that records device audio, transcribes, and generates structured notes and action items across major conferencing apps. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Aiko when transcribing recorded lectures into searchable text for studying matters most, and Sonnet AI when recruiters documenting candidate interviews with structured templates matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately.
Bot-free AI meeting assistant that records device audio, transcribes, and generates structured notes and action items across major conferencing apps.
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
Sonnet AI is an end-to-end AI meeting assistant and notetaker that captures conversations without sending a separate bot into the call. Instead of joining as a visible participant, it records high-quality audio directly from the user's device, which lets it work across Zoom, Google Meet, Microsoft Teams, Slack and Discord without per-platform integrations or plug-ins. Once a meeting ends, Sonnet produces a transcript and a structured set of notes, pulls out action items with potential assignees and deadlines, and stores everything in a searchable conversation database so users can revisit past discussions. It offers a template gallery aimed at specific contexts such as sales, recruiting, legal and medical meetings, along with customizable note layouts that support elements like tables and concept maps. Additional features include meeting reminders and preparation tools, participant relationship tracking, and the ability to keep CRM records updated from meeting content. It is designed for professionals and teams who want hands-free note capture and reliable post-meeting follow-up without disrupting the flow of a live conversation. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Sonnet AI is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Sonnet AI |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Bot-free recording that captures device audio without joining the call as a participant |
| Standout feature | Support for roughly 100 languages | Automatic transcription with AI-generated structured notes |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Action item extraction with assignees and deadlines |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Template gallery for sales, recruiting, legal, medical and other meeting types |
| Languages & capture | Word-replacement feature to auto-correct common errors | Searchable database of past conversations |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Works across Zoom, Google Meet, Microsoft Teams, Slack and Discord |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Sonnet AI
Choose Sonnet AI if you need sales reps capturing call notes and follow-ups without a bot in the room — strengths include no visible bot joins the meeting, which can feel less intrusive to participants.
Aiko
Sonnet AI
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Sonnet AI is strong for sales reps capturing call notes and follow-ups without a bot in the room. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Sonnet AI is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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