Three steps, and neither side notices the plumbing.
Sign up with your real number
A quick verification, the same way any messaging app confirms it's really you. This becomes your identity inside Yiimi — nothing more.
Add the person you want to reach
Just their phone number. It doesn't matter what kind of phone it is — smartphone, basic phone, anything with a SIM card.
Call or text, like normal
You tap call in the app. Their phone rings, same as any other call. Before your first call, they'll get a short text letting them know it's really you — so an unfamiliar number never feels like a stranger.
What's actually happening behind that “call” button.
None of this needs to be visible to you or the person you're calling — but here's what's underneath it, for anyone curious.
Verified from the start
Every person signs up with a real, verified number — the same trust step used by any modern messaging app. It's how we know you're really you, and it's never used as anything more than that.
A consistent number, not a random one
Behind the scenes, Yiimi assigns a number to each relationship and keeps it stable over time — so the person you're calling always sees someone familiar, not a different stranger each time.
Real networks, not a workaround
Every call and text travels over the same telecom infrastructure that already reaches billions of ordinary phones. Nothing new for the person on the other end to trust, install, or figure out.
We don't try to make Yiimi calls invisible from a normal call. We make them recognizable — a heads-up text before the first call, a consistent number for that relationship going forward. Trust, not disguise.