Zumbo

Notable signal

Open source local AI voice-to-text for Mac for private STT

Launched 10h ago

Signal

Velocity

What this means

13Founder Conviction Index: 13 — low signal.

Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.

Prediction

Top-5 finish probability

14%

today

Projected end-of-day votes

61range 46–82

Trajectory

stable

Not enough snapshots yet to detect trajectory.

Speed vs peers

0.8×

3 Productivity launches

About

Zumbo uses local AI models on your Mac to instantly turn what you say into text, with near perfect accuracy and complete privacy, in every app. About a fifth of a second from the end of your sentence to text in the app. 21 vocabulary packs, from developer tools to legal, medical and design, and it learns from your corrections: wrong once, never again. Notes with reminders, meetings with speaker labels. Works with the Wi-Fi off, no account. One-time price, open source.

AI Summary

Zumbo is an open-source voice-to-text application for Mac that utilizes local AI models to transcribe speech with high accuracy and privacy. It offers 21 specialized vocabulary packs, operates offline without requiring an account, and is available for a one-time purchase.

Attention & discussion velocity

Performance

Velocity0

Vote pace vs average

Momentum0

Sustained over 6h

Virality0

Spread × engagement

Engagement3

Discussion per unit of attention

Editorial read

Scored deterministically. Only candidates that fire a story trigger are sent to a model, so this one has no written angle.

ThinLittle evidence and no strong angle. Nothing to build on yet.

95/8

Timeliness5%100

carried 7%

Trend20%34

carried 27%

Novelty15%28

carried 20%

Business15%2

carried 20%

Story20%0

carried 27%

Not measured · 3 of 8

Revenue10%—

Founder10%—

Cross-platform5%—

Gaps in our data, not findings about the product. Their weight is redistributed across the 5 we did measure.

measuredmeasured, zeronot measured

Full audit →

Signal sources

3 of 6 active

Launch tracking2 readings since we picked it up
AI analysisProductivity
Comment intelligencethread not yet analysed
Outside discussionnot checked — domain is a storefront or shared
Revenue signalsno match on this domain
Editorial scoring13% evidence coverage

A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.