Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Gladia: Developer-focused speech-to-text API with real-time and async transcription, diarization, and meeting-bot integrations. 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 Gladia when adding live captions and transcripts to video-conferencing products matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately.
Developer-focused speech-to-text API with real-time and async transcription, diarization, and meeting-bot integrations.
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
Gladia is a speech-to-text API built for developers and product teams who want to embed transcription and audio intelligence into their own applications, including meeting assistants and note-taking tools. It offers both asynchronous transcription of pre-recorded audio and video files and a real-time streaming engine over WebSocket that returns results with low latency, making it suitable for live meetings and calls. The platform handles a wide range of languages with automatic language detection and code-switching, so it can follow conversations where participants switch languages mid-call. For meeting use cases, Gladia provides speaker diarization to label who said what, word-level timestamps, custom vocabulary, and audio-intelligence features such as summarization, sentiment analysis, and action-item extraction. It also offers meeting-bot integration that can join Zoom, Google Meet, and Microsoft Teams sessions to capture audio. Gladia positions itself as infrastructure rather than an end-user product, so companies typically use it to power their own transcription, captioning, or conversation-analytics features while relying on Gladia's compliance posture for data handling. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Gladia is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Gladia |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Real-time streaming transcription over WebSocket with low latency |
| Standout feature | Support for roughly 100 languages | Asynchronous transcription for pre-recorded audio and video files |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Speaker diarization with word-level timestamps |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Multilingual transcription with automatic language detection and code-switching |
| Languages & capture | Word-replacement feature to auto-correct common errors | Audio intelligence: summaries, sentiment analysis, and action-item extraction |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Meeting-bot integration for Zoom, Google Meet, and Microsoft Teams |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Gladia
Choose Gladia if you need powering a custom ai meeting assistant or note-taker — strengths include single api covers both batch and real-time transcription use cases.
Aiko
Gladia
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Gladia is strong for powering a custom ai meeting assistant or note-taker. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Gladia is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
You can — some teams pair them when each covers a different part of the meeting workflow.
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