publishub is an AI editing copilot for short-form video: upload your cut and get second-by-second edit notes with reasons, plus a retention prediction you can check. It appeared on Show HN on October 31, 2026, and this post is based on its official website, checked on November 1, 2026.
What publishub does
You export your Reel, TikTok, or Short the way you already do and bring the file to publishub. It transcribes what you say, measures pauses and scene changes, and leaves editing notes that point to the exact second and the line you were saying, each with a reason: the intro runs long, an idea repeats, the shot sits still. It also predicts how much retention should rise after you re-record, and you verify it against real Insights later, building an accuracy score over time.
publishub works alongside your editor, not instead of it: no plugin, no new editor to learn, and nothing is ever cut without your OK. Captions, b-roll, and re-recording stay in your own app, and your original file never changes. If you also send the retention screenshot from Instagram Insights, it reads your real curve and adds a prediction you can check.
Who it is for
publishub is made for freelance video editors, UGC creators, and creators who edit their own videos: anyone who posts Reels, TikTok, and YouTube Shorts and wants to know what to fix before posting, not after the drop shows up in Insights. It is a solo-founder product built in public by its maker.
Pricing
You can test one video without an account, and the first analyses come complete with a free account. Paid plans are monthly subscriptions that can be cancelled anytime: Creator at $12/month and Pro at $24/month. Prices may change, so check the official website for the latest pricing: https://www.getpublishub.com/.
