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PIPU
Tiny pings and one-tap replies on your Lock Screen
PIPU is a lightweight way to stay in touch with someone you trust. Pair privately with a QR or six-digit code, choose a preset emoji signal, and hold to send a PI. Your pal can tap a PU reply from a Live Activity on the Lock Screen or Dynamic Island. No account, contact access, or free-text chat. The iOS app is coming soon; watch the 30-second demo on our site.
Top comment
Hi Product Hunt! I'm the maker of PIPU. I built it for those small moments when you want to say 'coffee later?' or 'thinking of you' without starting a long chat. Pick a preset signal, send a PI, and your pal can PU back from a Live Activity. PIPU is still preparing for its iOS release, so the site currently offers a 30-second walkthrough rather than a download. I'd love feedback on the idea and the interaction: what small signal would you want to send?
About PIPU on Product Hunt
“Tiny pings and one-tap replies on your Lock Screen”
PIPU was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #71 on the daily leaderboard. PIPU is a lightweight way to stay in touch with someone you trust. Pair privately with a QR or six-digit code, choose a preset emoji signal, and hold to send a PI. Your pal can tap a PU reply from a Live Activity on the Lock Screen or Dynamic Island. No account, contact access, or free-text chat. The iOS app is coming soon; watch the 30-second demo on our site.
On the analytics side, PIPU competes within iOS, Emoji and Social Networking — topics that collectively have 124.3k followers on Product Hunt. The dashboard above tracks how PIPU performed against the three products that launched closest to it on the same day.
Who hunted PIPU?
PIPU was hunted by 韩一. 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 PIPU including community comment highlights and product details, visit the product overview.

