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Description
Synopsule is a privacy-first transcription app for Mac and iPhone that uses local Whisper models to transcribe meetings with speaker labeling and synced audio playback. Perfect for professionals needing secure, offline transcription and AI-powered summaries, it offers a one-time purchase with powerful features like live corrections, note integration, and multi-format exports.
Synopsule is a sophisticated private meeting transcription application designed exclusively for Mac and iPhone users. Its core purpose is to provide highly accurate, speaker-labeled transcriptions of conversations while maintaining strict user privacy by performing all transcription tasks locally on the device using OpenAI's Whisper model. Unlike many cloud-based transcription services, Synopsule ensures that no audio or transcript data leaves the device unless the user explicitly opts to generate AI summaries, making it an ideal solution for privacy-conscious professionals and organizations. At the heart of Synopsule's capabilities is its on-device Whisper transcription engine, which is bundled with the app and works offline from the first launch. This allows users to capture conversations without any internet dependency. On Mac, the app uniquely captures microphone and system audio on separate tracks, enabling clearer differentiation between speakers and audio sources. On iPhone, it records via the built-in microphone. Synopsule also features an advanced on-device neural voice model that recognizes returning speakers across multiple recordings. Users can rename speakers once, and the app automatically propagates those names throughout all transcripts, streamlining organization and review. The app’s interface is highly interactive: tapping any line in the transcript plays back the exact moment in the audio, synced perfectly for easy reference. Users can add time-anchored notes that are tappable to seek specific moments, and these notes integrate directly into AI-generated summaries, providing authoritative context. Live corrections are supported during recording, allowing users to fix speaker IDs and transcription errors on the fly; these corrections persist through finalization and influence the AI summary generation. Additionally, Synopsule supports labelable flags that let users mark and name important moments mid-recording, which can be quickly accessed later from a dedicated reader tab. Synopsule offers powerful AI summary features with structured, speaker-aware templates tailored for various meeting types such as one-on-ones, standups, sales calls, interviews, lectures, clinical SOAP notes, legal proceedings, and user research. Users can bring their own OpenAI, Anthropic, or Gemini API keys, run local models via Ollama on Mac, or use Apple Intelligence for on-device summarization on compatible hardware. For Mac users, Synopsule includes a built-in MCP server that enables integration with AI assistants like Claude, Codex, and ChatGPT, allowing these models to list, search, and read transcripts locally in a read-only manner. Export options are extensive, supporting Word, PDF (Mac only), Markdown, HTML, SRT, and VTT formats. There are also one-tap exports to popular note-taking apps like Obsidian and Apple Notes, making it easy to incorporate transcripts into existing workflows. After final processing, raw audio files are deleted to conserve storage and maintain privacy. Synopsule is available as a one-time universal purchase for $1.99, covering both Mac and iPhone versions with no subscription required. For users seeking enhanced AI summarization capabilities, Synopsule Pro is offered as a $4.99 monthly subscription. This pricing model is highly competitive compared to subscription-heavy transcription services, especially given the privacy-first, offline transcription benefits. Ideal users include business professionals, journalists, researchers, legal practitioners, clinicians, and anyone who regularly participates in meetings or interviews and requires accurate, private transcripts with speaker identification. Its offline-first design and local processing make it especially suitable for sensitive environments where data confidentiality is paramount. Compared to cloud-based alternatives like Otter.ai or Rev, Synopsule’s key differentiator is its complete on-device processing, eliminating concerns about data breaches or unauthorized access. Its integration with multiple AI models and flexible export options also provide a versatile toolset unmatched by many competitors. However, users should note that the app requires macOS 15 or later and iOS 17 or later, and is optimized for Apple silicon, which may limit compatibility with older devices. Additionally, while the bundled Whisper model enables offline use, transcription accuracy may vary depending on audio quality and speaker accents, as with all automated transcription tools. In summary, Synopsule offers a robust, privacy-centric transcription and meeting note solution with advanced speaker recognition, live editing, and AI-powered summaries. Its one-time purchase model and seamless Mac/iPhone integration make it a compelling choice for users seeking control over their transcription data without recurring fees or cloud dependencies.
Tool Features
- Local Whisper transcription on Mac and iPhone (on-device, offline-capable, works on first launch with a bundled model)
- $1.99 one-time universal purchase covering Mac and iPhone — no subscription required
- Mac captures microphone and system audio in separate lanes; iPhone records via microphone
- Recognizes returning speakers across recordings with an on-device neural voice model; rename once and it propagates everywhere
- Tap any line to play that moment, synced to the transcript
- Notes mode — time-anchored notes that tap-to-seek and fuse into the AI summary as authoritative context
- Live corrections — speaker IDs and text fixes made while recording survive finalization and steer the summary
- Labelable flags — drop and name a moment mid-recording, then jump to it from a dedicated reader tab
- Global search across every transcript
- Optional AI summaries with structured, speaker-aware templates (one-on-one, standup, sales call, interview, lecture, clinical SOAP, legal, user research) — bring your own OpenAI, Anthropic, or Gemini key, run a local model via Ollama on Mac, summarize on-device with Apple Intelligence on eligible hardware, or Synopsule Pro
- Built-in MCP server (Mac) — connect Claude Desktop, Codex, Claude Code, and ChatGPT to list, search, and read your transcripts on demand, all local and read-only
- Export to Word, Markdown, HTML, SRT, VTT, and PDF on Mac — plus one-tap open-data export to Obsidian and Apple Notes
- Raw audio deleted after final processing
Description
Synopsule is a privacy-first transcription app for Mac and iPhone that uses local Whisper models to transcribe meetings with speaker labeling and synced audio playback. Perfect for professionals needing secure, offline transcription and AI-powered summaries, it offers a one-time purchase with powerful features like live corrections, note integration, and multi-format exports.
Synopsule is a sophisticated private meeting transcription application designed exclusively for Mac and iPhone users. Its core purpose is to provide highly accurate, speaker-labeled transcriptions of conversations while maintaining strict user privacy by performing all transcription tasks locally on the device using OpenAI's Whisper model. Unlike many cloud-based transcription services, Synopsule ensures that no audio or transcript data leaves the device unless the user explicitly opts to generate AI summaries, making it an ideal solution for privacy-conscious professionals and organizations. At the heart of Synopsule's capabilities is its on-device Whisper transcription engine, which is bundled with the app and works offline from the first launch. This allows users to capture conversations without any internet dependency. On Mac, the app uniquely captures microphone and system audio on separate tracks, enabling clearer differentiation between speakers and audio sources. On iPhone, it records via the built-in microphone. Synopsule also features an advanced on-device neural voice model that recognizes returning speakers across multiple recordings. Users can rename speakers once, and the app automatically propagates those names throughout all transcripts, streamlining organization and review. The app’s interface is highly interactive: tapping any line in the transcript plays back the exact moment in the audio, synced perfectly for easy reference. Users can add time-anchored notes that are tappable to seek specific moments, and these notes integrate directly into AI-generated summaries, providing authoritative context. Live corrections are supported during recording, allowing users to fix speaker IDs and transcription errors on the fly; these corrections persist through finalization and influence the AI summary generation. Additionally, Synopsule supports labelable flags that let users mark and name important moments mid-recording, which can be quickly accessed later from a dedicated reader tab. Synopsule offers powerful AI summary features with structured, speaker-aware templates tailored for various meeting types such as one-on-ones, standups, sales calls, interviews, lectures, clinical SOAP notes, legal proceedings, and user research. Users can bring their own OpenAI, Anthropic, or Gemini API keys, run local models via Ollama on Mac, or use Apple Intelligence for on-device summarization on compatible hardware. For Mac users, Synopsule includes a built-in MCP server that enables integration with AI assistants like Claude, Codex, and ChatGPT, allowing these models to list, search, and read transcripts locally in a read-only manner. Export options are extensive, supporting Word, PDF (Mac only), Markdown, HTML, SRT, and VTT formats. There are also one-tap exports to popular note-taking apps like Obsidian and Apple Notes, making it easy to incorporate transcripts into existing workflows. After final processing, raw audio files are deleted to conserve storage and maintain privacy. Synopsule is available as a one-time universal purchase for $1.99, covering both Mac and iPhone versions with no subscription required. For users seeking enhanced AI summarization capabilities, Synopsule Pro is offered as a $4.99 monthly subscription. This pricing model is highly competitive compared to subscription-heavy transcription services, especially given the privacy-first, offline transcription benefits. Ideal users include business professionals, journalists, researchers, legal practitioners, clinicians, and anyone who regularly participates in meetings or interviews and requires accurate, private transcripts with speaker identification. Its offline-first design and local processing make it especially suitable for sensitive environments where data confidentiality is paramount. Compared to cloud-based alternatives like Otter.ai or Rev, Synopsule’s key differentiator is its complete on-device processing, eliminating concerns about data breaches or unauthorized access. Its integration with multiple AI models and flexible export options also provide a versatile toolset unmatched by many competitors. However, users should note that the app requires macOS 15 or later and iOS 17 or later, and is optimized for Apple silicon, which may limit compatibility with older devices. Additionally, while the bundled Whisper model enables offline use, transcription accuracy may vary depending on audio quality and speaker accents, as with all automated transcription tools. In summary, Synopsule offers a robust, privacy-centric transcription and meeting note solution with advanced speaker recognition, live editing, and AI-powered summaries. Its one-time purchase model and seamless Mac/iPhone integration make it a compelling choice for users seeking control over their transcription data without recurring fees or cloud dependencies.
Frequently Asked Questions
What is Synopsule?
Synopsule is a private meeting transcription app for Mac and iPhone that records conversations and transcribes them locally using Whisper technology. It labels speakers, keeps full audio for replay, and supports open Markdown files readable by any AI, all while ensuring user privacy by running entirely on-device.
How much does Synopsule cost?
Synopsule is available for a one-time universal purchase of $1.99, which covers both Mac and iPhone versions with no subscription required. There is also a Synopsule Pro subscription available for $4.99 per month that offers enhanced AI summarization features.
Who is Synopsule best for?
Synopsule is ideal for business professionals, journalists, researchers, clinicians, legal practitioners, and anyone who needs accurate, private, and speaker-labeled meeting transcripts. It is especially suited for users who prioritize data privacy and want offline transcription capabilities.
What are the main features of Synopsule?
Key features include local Whisper transcription on Mac and iPhone, speaker diarization with on-device neural voice recognition, synced audio playback by tapping transcript lines, time-anchored notes integrated into AI summaries, live corrections during recording, labelable flags for marking moments, built-in MCP server for AI integrations, and export options to Word, PDF, Markdown, HTML, SRT, and VTT.
Does Synopsule offer a free trial?
There is no publicly stated free trial for Synopsule. The app is offered as a one-time purchase on the App Store for $1.99, allowing users to try the full functionality on both Mac and iPhone.
What integrations does Synopsule support?
Synopsule supports integration with AI assistants such as Claude, Codex, and ChatGPT via its built-in MCP server on Mac. It also exports transcripts to popular formats and apps like Obsidian and Apple Notes for seamless workflow integration.
How does Synopsule work?
Synopsule records audio locally on your Mac or iPhone and transcribes it using the Whisper model bundled within the app, ensuring offline functionality. It identifies speakers using an on-device neural voice model, allows live corrections and notes during recording, and generates AI summaries either on-device or via user-provided API keys, all while keeping your data private unless you choose to share it.
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