Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Zeemo: Zeemo is an AI auto-captioning and transcription tool that converts videos, podcasts, interviews, and voice recordings into text and time-synced subtitles, with translation into many languages. 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 Zeemo when auto-generating and styling captions for social media and youtube videos 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.
Zeemo is an AI auto-captioning and transcription tool that converts videos, podcasts, interviews, and voice recordings into text and time-synced subtitles, with translation into many languages.
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
Zeemo is an AI-powered captioning, subtitling, and transcription platform aimed at content creators, podcasters, YouTubers, educators, and marketing teams. Users upload an audio or video file (or paste a video link), and Zeemo's speech recognition automatically converts the speech into time-synced captions or a plain-text transcript. Beyond social-video subtitles, it offers a dedicated transcription service for recorded interviews, meetings, lectures, podcasts, songs, and voice recordings, producing editable text that can be exported. It supports a broad set of languages for recognition and can translate captions and subtitles into many additional languages for localized content. A batch-editing interface lets users correct and refine transcripts efficiently, and captions can be styled with fonts, colors, templates, emojis, and effects before export. Outputs include caption-burned video plus subtitle and text formats such as SRT, ASS, and TXT. Zeemo runs in the browser with no install required and also offers dedicated iOS and Android apps for transcribing and captioning on the go.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Zeemo is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Zeemo |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | AI auto-captioning that generates time-synced subtitles from video and audio |
| Standout feature | Support for roughly 100 languages | Audio/video transcription for interviews, meetings, lectures, podcasts, and voice recordings |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Multilingual subtitle recognition with translation into many additional languages |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Batch transcript and subtitle editing for fast corrections |
| Languages & capture | Word-replacement feature to auto-correct common errors | Caption styling with fonts, colors, templates, emojis, GIFs, and stickers |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Export to multiple formats including captioned video, SRT, ASS, and TXT |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Zeemo
Choose Zeemo if you need transcribing recorded interviews, podcasts, and voice recordings into editable text — strengths include handles both polished social-video captions and plain transcription of meetings, interviews, and podcasts.
Aiko
Zeemo
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Zeemo is strong for transcribing recorded interviews, podcasts, and voice recordings into editable text. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Zeemo is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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