Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. CallBro: Bot-free AI meeting assistant that transcribes calls from system audio and produces structured notes without joining the call. Below, they line up on price, capture method, and how each fits a real meeting stack.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Aiko when transcribing recorded lectures into searchable text for studying matters most, and CallBro when capturing lecture and study notes for students matters most. Try them side by side on real calls before deciding — needs vary by team.
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 transcribes calls from system audio and produces structured notes without joining the call.
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
CallBro is a desktop AI meeting assistant that records and transcribes meetings in real time directly from your device's system audio and microphone, without sending a separate bot to join the call. Because capture happens locally at the system level, it works with any meeting platform, including Zoom, Google Meet, and Microsoft Teams, as well as in-person conversations, and it remains invisible to other participants. CallBro combines the live transcript with the user's own typed notes to generate structured summaries that highlight key decisions, action items, and next steps, and it includes an AI chat that can answer questions about the meeting or draft follow-ups using the full context of the transcript and notes. The product is offered as a downloadable application for macOS and Windows, with Linux noted as upcoming, and the website lists dedicated use cases for lawyers and students alongside general business meetings. Its bot-free, device-only approach makes it relevant for professionals handling sensitive conversations, such as legal client meetings and consultations, where a visible third-party recorder may be undesirable. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aiko is a free tier with paid upgrades (freemium); CallBro is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | CallBro |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Bot-free capture from system audio and microphone, no participant bot |
| Standout feature | Support for roughly 100 languages | Real-time transcription with speaker-aware formatting |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Structured notes combining the transcript with the user's own notes |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | In-meeting and post-meeting AI chat for recall and follow-up drafting |
| Languages & capture | Word-replacement feature to auto-correct common errors | Works with Zoom, Google Meet, Teams, or in-person meetings |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Downloadable apps for macOS and Windows |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
CallBro
Choose CallBro if you need transcribing legal client meetings, consultations, and intake calls without a visible recorder — strengths include no bot joins the call, which suits sensitive or private meetings.
Aiko
CallBro
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while CallBro is strong for transcribing legal client meetings, consultations, and intake calls without a visible recorder. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and CallBro 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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