Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. SyncWords: Live AI captioning, subtitling, and voice-dubbing platform for webinars, streams, and hybrid events with real-time multilingual output. Here's where each one pulls ahead on pricing, features, and the meetings it suits best.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Aiko when transcribing recorded lectures into searchable text for studying matters most, and SyncWords when delivering accessible, fcc-compliant live captions for a broadcast 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.
Live AI captioning, subtitling, and voice-dubbing platform for webinars, streams, and hybrid events with real-time multilingual output.
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
SyncWords is an AI-powered platform for delivering live and recorded video content to multilingual audiences through real-time captions, subtitles, and voice dubbing. For live scenarios, it produces frame-accurate AI captions that meet broadcast accessibility standards such as CEA-608/708, and its SyncWords Live offering provides professional captioning and real-time translated subtitles for webinars, streaming services, and hybrid events. The platform translates into a wide range of languages, including non-Latin scripts such as Cyrillic, CJK, Arabic, Hebrew, and Thai, and recent engineering work has driven latency down to roughly a second or less even in demanding live environments. Its newer Vocalics capability adds real-time AI voice dubbing that aims to preserve a speaker's tone and delivery across languages. Content is delivered through no-download widget URLs as well as streaming formats like HLS, SRT, CMAF, and VTT, with integrations spanning platforms such as AWS, YouTube, and Vimeo. SyncWords reports processing tens of thousands of events and hundreds of thousands of hours of media, and it received an industry innovation award in 2025, confirming active operation. It best fits broadcasters, media teams, and event organizers who need accessible, multilingual live captioning and translation at scale. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aiko is a free tier with paid upgrades (freemium); SyncWords is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | SyncWords |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Real-time AI live captions with broadcast accessibility compliance |
| Standout feature | Support for roughly 100 languages | Live translated subtitles across many languages including non-Latin scripts |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Vocalics real-time AI voice dubbing that preserves speaker delivery |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Ultra-low latency output for live streams and events |
| Languages & capture | Word-replacement feature to auto-correct common errors | No-download widget URLs plus HLS, SRT, CMAF, and VTT delivery |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Custom dictionaries for accurate terminology in live sessions |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
SyncWords
Choose SyncWords if you need providing live translated subtitles for a webinar or streamed event — strengths include strong focus on broadcast-grade, low-latency live captioning.
Aiko
SyncWords
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while SyncWords is strong for providing live translated subtitles for a webinar or streamed event. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and SyncWords 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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