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Synopsule

Paid

Most meeting recorders solve the transcription problem by shipping your audio to a server you don't control — and every call with a sensitive source, an unreleased product name, or a client under NDA goes with it. Synopsule runs the entire job on the device that recorded it.

$1.99 · Checked Jul 1, 2026

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Summary

The app captures both sides of a Zoom, Meet, or Teams call on Mac by tapping system audio directly — no bot joins the room, no account is created. On iPhone it records live through the mic, labeling speakers as they talk. Whisper transcription runs fully on-device, and the vendor states zero kilobytes of audio are ever uploaded. Summaries are opt-in and can run locally or with your own API key. The wall appears when you need calendar sync, CRM push, or automated post-meeting delivery — none of that exists here.

Bottom line: Synopsule earns its place in any workflow where audio privacy is non-negotiable and a manual export is acceptable; it breaks down the moment your team expects notes to land in Notion or Salesforce without a human in the middle.

Pricing Plans

Flat RateLast verified 4 months ago
Price
$1.99

Standard

One-timeper month

$1.99 one-time purchase for both Mac and iPhone

  • On-device transcription
  • Both Mac and iPhone included
  • Full audio kept on device
  • Speaker labeling
  • Works offline
  • No subscription required
  • No account needed
  • Opt-in AI summaries with your own key

View full pricing on synopsule.com →

Pricing may have changed since last verified. Check the official site for current plans.

Find your fit

Before you choose Synopsule

More options in Transcription / STT. Compare pricing, platforms, and features side by side.

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Pros

  • Full on-device Whisper transcription, so audio from sensitive calls — NDAs, legal interviews, unreleased product discussions — never touches an external server.
  • System audio capture on Mac taps both sides of a Zoom, Meet, or Teams call without a bot joining the room, which means guests see no third-party participant and the host needs no special meeting permissions.
  • On-device speaker recognition with voiceprints labels returning participants automatically across recordings, so you avoid re-identifying the same people in every transcript.
  • Tap-to-replay anchors playback to any transcript line, so when a speaker's exact phrasing matters — in a research debrief or a legal record — you go straight to the audio without scrubbing.
  • Export to open formats (Markdown, SRT, VTT, Word, Obsidian), so transcripts move into any downstream tool without being locked to Synopsule's interface.

Cons

  • There is no API, no webhook, and no calendar integration, so every completed transcript requires a manual export step — teams running more than a handful of calls per week will feel this repetition immediately, and at any volume that demands automated delivery into a shared workspace, they switch to a cloud-based recorder like Otter.ai or Fireflies.
  • AI summaries require either your own API key or a paid-only upgrade, so teams expecting a one-tap summary from a $1.99 purchase hit a configuration step or an additional cost before that feature works.
  • iPhone recording captures room audio through the mic only — it cannot tap system audio the way the Mac can, so remote call transcription on iPhone is not possible and participants on the other end of a phone or video call are not captured.

About

Platforms
macOS 15+, iOS
API Available
No
Self-Hosted
No
Last Updated
June 18, 2026

Best For

Who it's for

  • Users needing private on-device transcription
  • Mac and iPhone owners wanting one app for both devices
  • Offline workflows with full audio retention

What it does well

  • Transcribing Zoom, Meet, or Teams calls on Mac
  • Recording and labeling interviews or lectures on iPhone
  • Creating searchable, exportable meeting notes offline

Integrations

ObsidianApple NotesWordMarkdownPDFHTMLSRTVTT

Frequently Asked Questions

Is Synopsule free?
Synopsule is a paid tool ($1.99). No permanent free tier is offered.
What platforms does Synopsule support?
Synopsule is available on: macOS 15+, iOS.

Cloud meeting recorders default to uploading your audio the moment a call ends — that’s how they do speaker diarization, summarization, and search. Synopsule inverts that assumption. It records your microphone and system audio in separate lanes on Mac, transcribes with Whisper running entirely on-device, labels each speaker using on-device voiceprints, and keeps the full audio file local so you can tap any transcript line and replay that moment. On iPhone the same codebase handles live in-room recording for interviews, lectures, and field notes. One $1.99 purchase covers both devices with no subscription required.

The defining feature is what never happens: no account sign-up, no audio upload, no bot joining your call. The vendor’s comparison table makes the contrast explicit — typical cloud notetakers discard the raw audio after processing; Synopsule retains it on your device. Speaker recognition works from on-device voiceprints, so returning participants get labeled automatically without their voice profiles leaving the machine. Summaries are gated behind an explicit opt-in, and even then only transcript text travels — not audio.

This fits teams doing user research, legal interviews, or executive calls where recording consent and data residency matter. It also fits anyone who has been locked out of their own notes because the app that held them changed pricing or shut down — exports land in Word, PDF, Markdown, HTML, SRT, VTT, Obsidian, or Apple Notes, in open formats any downstream tool can read. Where it breaks: there is no API, no calendar integration, no webhook, and no way to route completed transcripts into a shared workspace automatically. Teams that need notes delivered to Slack, Notion, or a CRM after every call will find themselves exporting manually every time — and at scale that friction compounds.

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