Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Knovvu Analytics (SESTEK): Knovvu Analytics by SESTEK is an enterprise speech-and-text analytics platform that transcribes and analyzes 100% of customer voice and digital interactions for contact centers. 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 Knovvu Analytics (SESTEK) when real-time compliance and quality monitoring with instant supervisor alerts 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.
Knovvu Analytics by SESTEK is an enterprise speech-and-text analytics platform that transcribes and analyzes 100% of customer voice and digital interactions for contact centers.
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
Knovvu Analytics is the conversational analytics product from SESTEK, a conversational-automation company with over 20 years of experience that is now part of UNIFONIC. It captures contact-center interactions and uses SESTEK's own speech recognition engine (reported >97% accuracy) to transcribe voice calls into text, then applies AI to analyze conversations at scale. Core capabilities include speaker diarization, multilingual identification, automatic topic categorization, sentiment analysis, and root-cause discovery across thousands of voice- and text-based interactions. Real-time features detect prohibited words, urgent inquiries, and compliance issues, sending instant supervisor notifications and API-triggered actions. It pairs with SESTEK's Automated Quality Management for objective agent scoring and script-adherence monitoring. The platform integrates with contact-center systems such as Five9, Genesys, and Avaya, and offers HTTP/REST, MRCP, and WebSocket integration methods. Its containerized architecture supports both cloud and on-premises deployment. It is built for enterprise contact centers in banking, insurance, telecom, and e-commerce, serving customers including ING Bank, DHL, Vodafone, and Carrefour.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Knovvu Analytics (SESTEK) is custom pricing (contact sales). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Knovvu Analytics (SESTEK) |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Speech-to-text transcription of voice interactions with reported >97% accuracy |
| Standout feature | Support for roughly 100 languages | Speaker diarization and multilingual speaker identification |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | AI-driven sentiment analysis and emotion detection |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Automatic topic categorization and trend/root-cause analysis |
| Languages & capture | Word-replacement feature to auto-correct common errors | Real-time alerts for prohibited words, urgent inquiries, and compliance issues |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | Automated quality management with objective agent scoring and script-adherence monitoring |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Knovvu Analytics (SESTEK)
Choose Knovvu Analytics (SESTEK) if you need transcribing and analyzing 100% of customer service calls to surface trends and root causes — strengths include analyzes 100% of interactions rather than a sampled subset.
Aiko
Knovvu Analytics (SESTEK)
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Knovvu Analytics (SESTEK) is strong for transcribing and analyzing 100% of customer service calls to surface trends and root causes. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Knovvu Analytics (SESTEK) is custom pricing. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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