Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Felo Subtitles: A browser extension and companion app that adds real-time transcription and translated live subtitles to online meetings and live streams without joining as a bot. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Aiko when transcribing recorded lectures into searchable text for studying matters most, and Felo Subtitles when generating live bilingual subtitles and downloadable transcripts for youtube live and other streams 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.
A browser extension and companion app that adds real-time transcription and translated live subtitles to online meetings and live streams without joining as a bot.
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
Felo Subtitles, made by Felo Inc. (Sparticle), is a real-time transcription and translation tool delivered as a Chrome/Edge browser extension plus companion desktop apps for Windows and macOS. It listens to meeting and video audio, recognizes speech, and overlays live captions with instant translation into other languages, so participants can follow conversations across language barriers. The browser extension captions web-based audio such as Google Meet (web), YouTube Live, Twitch, and Facebook Live, while the separate Felo desktop app extends coverage to Zoom, Microsoft Teams, Webex, and Tencent Meeting without a bot joining the call. It recognizes speech in roughly 23 languages and translates into about 20 target languages. Captured sessions can be saved as transcripts and exported as text, and the tool offers AI summaries using templates for contexts like sales, learning, and one-on-ones. Custom speech and translation dictionaries let teams add industry terminology. It is aimed at IT, research, HR, legal, education, and video-creator users needing multilingual meeting communication.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Felo Subtitles is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Felo Subtitles |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Real-time live transcription with subtitles overlaid on meetings and video streams |
| Standout feature | Support for roughly 100 languages | Instant translation of captions across roughly 20 target languages (speech recognition in ~23 languages) |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | No-bot capture: transcribes audio locally/in-browser without joining the meeting as a participant |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Transcript saving and export to text documents |
| Languages & capture | Word-replacement feature to auto-correct common errors | AI-generated meeting summaries using templates (sales, learning, one-on-one) |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Custom speech and translation dictionaries for industry-specific terminology |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Felo Subtitles
Choose Felo Subtitles if you need following and translating multilingual video meetings on zoom, google meet, teams, or webex in real time — strengths include captures meetings without adding a visible bot participant, which is less intrusive than bot-based notetakers.
Aiko
Felo Subtitles
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Felo Subtitles is strong for following and translating multilingual video meetings on zoom, google meet, teams, or webex in real time. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Felo Subtitles 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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