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mono
the app to have that conversation - private & encrypted chat
mono is an ephemeral messaging app built on radical privacy. One conversation at a time. No sign-up, no identity, no history. End-to-end encrypted messages that self-destruct. Available on iOS and macOS.
I built my own private messenger — hope it's useful to someone else too
For years I was looking for a messenger that was actually private — and I don’t mean just “encrypted” or “they won’t hack me.” I mean: if someone picked up my phone, they’d see exactly who I was talking to, their number, and the whole history of photos, videos and files we’d sent.
A lot of messengers have settings and toggles you can tweak, sure. But it never felt like enough — I wanted a chat that’s private by default, from the second you open it, not after digging through options.
So I built “mono - private messenger”
the app to have that conversation.
No account, no name, no email, no phone number, no profile photo. Nothing tied to who you are. You get a key that rotates every 3 minutes, share it with one person, and that’s it — one conversation at a time. Messages are end-to-end encrypted, only the last 15 stay visible, and the whole thing self-destructs after 36h of inactivity. No groups, no calls, no voice notes — on purpose.
It’s not trying to replace Signal or WhatsApp. It’s for a different thing: a private, ephemeral, one-to-one line — the kind of conversation that leaves nothing behind.
Free on iOS — macOS coming soon. I’m the developer, happy to answer anything.
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About mono on Product Hunt
“the app to have that conversation - private & encrypted chat”
mono was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #48 on the daily leaderboard. mono is an ephemeral messaging app built on radical privacy. One conversation at a time. No sign-up, no identity, no history. End-to-end encrypted messages that self-destruct. Available on iOS and macOS.
mono was featured in iOS (110.5k followers), Messaging (51.9k followers) and Privacy (11.2k followers) on Product Hunt. Together, these topics include over 58.3k products, making this a competitive space to launch in.
Who hunted mono?
mono was hunted by Steve Urrego. 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.
Want to see how mono stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Steve Urrego