Aiko: On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately. Second Nature: AI role-play sales training software where reps practice live conversations with a conversational AI buyer and receive scoring and feedback. 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 Second Nature when certifying reps on new messaging before a product launch matters most. Run both through a week of actual calls to see which suits your workflow.
On-device AI transcription app for Mac, iOS, and visionOS that converts lecture and meeting audio to text privately.
AI role-play sales training software where reps practice live conversations with a conversational AI buyer and receive scoring and feedback.
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
Second Nature is an AI role-play platform that lets customer-facing teams rehearse sales conversations by talking to a conversational AI that responds in real time, rather than reading scripts or scheduling peer practice. Reps can drill pitches, discovery questions, and objection handling as often as they like until they reach fluency and confidence, with the AI providing scoring and structured reports against the behaviors a team cares about. A core selling point is fast content creation: the platform can generate realistic role-play simulations from existing sales material in minutes, and it supports many languages and conversation styles for global organizations. It integrates with CRMs including Salesforce and HubSpot so enablement leaders can tie practice to live workflows. Typical applications include shortening new-hire ramp time, certifying reps on new messaging ahead of product launches, and giving managers analytics on where individuals and teams struggle. Second Nature focuses squarely on the practice-and-coaching side of the sales-conversation lifecycle, complementing call-recording tools rather than replacing them, and is used by enterprise and mid-market sales organizations. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Aiko is a free tier with paid upgrades (freemium); Second Nature is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aiko | Second Nature |
|---|---|---|
| Core capability | Fully on-device transcription powered by a local Whisper model | Conversational AI role-play partners that respond in real time |
| Standout feature | Support for roughly 100 languages | AI scoring and structured performance reports |
| Team usage | Transcription of audio and video files in formats like m4a, wav, mp3, mp4, and mov | Rapid generation of role-play scenarios from existing sales content |
| Integrations | Export to multiple formats including JSON, CSV, and SRT subtitles | Support for many languages and conversation styles |
| Languages & capture | Word-replacement feature to auto-correct common errors | Manager analytics on skill gaps across reps and teams |
| Best-fit workflow | Apple Shortcuts integration and Universal Purchase across Mac, iOS, and visionOS | CRM integrations with Salesforce and HubSpot |
Aiko
Choose Aiko if you need transcribing recorded lectures into searchable text for studying — strengths include strong privacy because nothing leaves the device.
Second Nature
Choose Second Nature if you need reducing new-hire ramp time through repeated practice — strengths include realistic spoken practice rather than script-reading or scheduling peers.
Aiko
Second Nature
It depends on your workflow. Aiko is strong for transcribing recorded lectures into searchable text for studying, while Second Nature is strong for reducing new-hire ramp time through repeated practice. Both transcribe and summarize meetings.
Aiko is a free tier with paid upgrades and Second Nature 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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