Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Prevail: Prevail is an AI-assisted testimony management and court reporting platform that delivers real-time transcription for legal depositions and proceedings. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Aiko when transcribing recorded lectures into searchable text for studying matters most, and Prevail when collaborative attorney note-taking and key-moment tagging during testimony 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.
Prevail is an AI-assisted testimony management and court reporting platform that delivers real-time transcription for legal depositions and proceedings.
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
Prevail is an AI-assisted testimony management and court reporting platform purpose-built for legal proceedings such as depositions. Its AI Speech Capture panel begins transcribing the moment a Session Manager presses record, displaying spoken dialogue as structured segments with speaker labels and timestamps that update in real time, while machine learning improves accuracy as the session unfolds. Transcripts are synchronized with the session audio and video, and certified transcripts are delivered within a few business days. Its transcription and translation services handle audio and video files of multiple formats and support over 90 languages. The CheckMate solution consolidates real-time transcription, speaker identification, and collaborative note-taking into one workspace, with secure integration to a firm's chosen LLM for AI-generated analysis. Prevail supports remote, hybrid, and in-person proceedings and is accessed through a web-based interface, meeting SOC 2 Type 2 and ISO 27001 standards. It is built for legal professionals including law firms, corporations, and government agencies.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Prevail is custom pricing (contact sales). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Prevail |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Real-time AI transcription with live speaker labels and timestamps |
| Standout feature | Support for roughly 100 languages | Audio/video synchronization with transcripts during sessions |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Collaborative note-taking and key-moment tagging (CheckMate) |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Secure integration with a firm's chosen LLM for AI analysis |
| Languages & capture | Word-replacement feature to auto-correct common errors | Transcription and translation supporting 90+ languages |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Support for remote, hybrid, and in-person proceedings |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Prevail
Choose Prevail if you need capturing and transcribing remote, hybrid, or in-person legal depositions in real time — strengths include purpose-built for legal depositions with synchronized audio, video, and transcript.
Aiko
Prevail
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Prevail is strong for capturing and transcribing remote, hybrid, or in-person legal depositions in real time. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Prevail is custom pricing. 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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