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Knock
Land your message dead-center on their Mac. Can't ignore
You sent the Slack, the email, the DM — and they didn't see it for hours. Knock lives in your Mac menu bar and lands your message dead-center on their screen, then shakes it. Impossible to ignore. Plus live notes, time capsules & doodles. $9 once, no subscription.
Hey Product Hunt 👋 Solo dev here.
The thing that drove me nuts: I'd send a Slack — or an email, or a DM — and the person was heads-down and just… didn't see it. For hours. A blocker, a quick yes/no, a deadline — and I'm sitting there hoping they glance at the right tab.
So I built Knock. It lives in your Mac menu bar. You type a line, hit Knock, and your message lands dead-center on *their* Mac and shakes — and pulls the app to the front. They can't not see it. Remember MSN/NateOn nudges? It's that, aimed at whoever's been quiet for an hour.
It's more than the knock, too:
• 💬 Live notes — quiet pop-ups for the casual stuff, no knock needed
• ⏳ Time capsule — schedule a note to open later (off tomorrow? leave a task that lands on a coworker's Mac so they won't forget)
• ✏️ Doodle — sketch by hand, shows up like a sticky note
• 👥 One circle of up to 5 (team, partner, family) — one purchase covers everyone you invite
Tiny native SwiftUI app, no account hoops. $9 once — no subscription, no trial. One purchase unlocks it for your whole circle.
What's the message you wish they'd actually seen? Replying to everyone today 🙏
About Knock on Product Hunt
“Land your message dead-center on their Mac. Can't ignore”
Knock was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #154 on the daily leaderboard. You sent the Slack, the email, the DM — and they didn't see it for hours. Knock lives in your Mac menu bar and lands your message dead-center on their screen, then shakes it. Impossible to ignore. Plus live notes, time capsules & doodles. $9 once, no subscription.
On the analytics side, Knock competes within Mac, Productivity and Messaging — topics that collectively have 809.1k followers on Product Hunt. The dashboard above tracks how Knock performed against the three products that launched closest to it on the same day.
Who hunted Knock?
Knock was hunted by Willie. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Knock including community comment highlights and product details, visit the product overview.
Willie