Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Spellar AI: A bot-free AI meeting note taker for Mac, iOS, and web that records on-device and produces transcripts, summaries, and action items. 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 Spellar AI when consultants generating templated summaries and action items per meeting 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.
A bot-free AI meeting note taker for Mac, iOS, and web that records on-device and produces transcripts, summaries, and action items.
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
Spellar AI is a bot-free meeting note taker built by Spellar LTD for professionals who want their conversations captured without a bot joining the call. The app records directly on the user's Mac, iPhone, or iPad, so no participant appears in the meeting, and it produces transcripts in many languages with intelligent language detection. At the end of each meeting Spellar generates a structured summary that highlights key points and action items, and it offers customizable summary templates so the output can match different meeting types. A distinguishing feature is its model flexibility: users can switch between AI models such as different GPT, Gemini, Claude, and Perplexity options per meeting, per template, or per question, and a real-time copilot can assist during the conversation. Privacy is configurable: server-side transcription is opt-in rather than default, and users can run transcription on-device or bring their own AI key to keep calls private. Spellar syncs across macOS, iOS, and the web, and supports one-click export to tools like Notion, Jira, Linear, and Google Docs. It suits sales reps, consultants, and professionals who want discreet capture plus flexible, exportable meeting notes. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Spellar AI is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Spellar AI |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Bot-free recording on Mac, iPhone, and iPad |
| Standout feature | Support for roughly 100 languages | Transcription in 100+ languages with automatic language detection |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Per-meeting model switching across multiple AI providers |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Customizable summary templates with action item extraction |
| Languages & capture | Word-replacement feature to auto-correct common errors | On-device transcription or bring-your-own-key options; server-side AI is opt-in |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | One-click export to Notion, Jira, Linear, and Google Docs |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Spellar AI
Choose Spellar AI if you need sales reps capturing client calls without a visible bot — strengths include no bot joins the call, keeping capture discreet across platforms.
Aiko
Spellar AI
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Spellar AI is strong for sales reps capturing client calls without a visible bot. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Spellar AI is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Often yes: teams combine tools when one handles capture and another handles analysis.
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