Founded by a breast cancer patient

Finally.

A way to keep the people you love informed — without the pressure to keep up.

"I had 47 unread messages one day. Several were from my niece: 'Answer me, are you okay? Please call me!' I couldn't answer a single one. Instead of resting, I was drowning in guilt."

— Cynthia Rodriguez, Founder & Breast Cancer Patient

Circle Signal allows patients in active cancer treatment or recovery to share updates with the people who love them — without the exhausting weight of managing every individual conversation.

Join the Waitlist

Free* for patients in active treatment and recovery.

*Free for patients in active cancer treatment or serious medical recovery who agree to participate in anonymous usage research and periodic surveys. Patients who do not meet these criteria may request access directly at cynthia@circlesignalapp.com — each request is reviewed personally.

How it works

One update. The right people. The right amount.

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Most Intimate

Inner Circle

Your most intimate circle. Full truth — treatments, feelings, everything.

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Close Circle

Support Circle

Your close circle. Meaningful updates on what matters.

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Broader Circle

Community

Your broader circle. Milestone moments and general updates only.

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Write it once

One update reaches everyone in your chosen circle — each person receives it personally, not as a group blast.

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Show your care — no words needed

Recipients respond with a single emoji. The no-reply boundary is built directly into the technology — eliminating the back and forth. The app holds that boundary for you, quietly and with dignity.

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Straight to their mobile phone — no download needed

Recipients receive a private link straight to their phone. They tap it and read your update instantly — no app to download, no account to create.

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"I'm resting" — one tap

On days when words are impossible, one tap lets your circles know you are still here.

Our mission

Founded by a breast cancer patient, Circle Signal, Inc. provides free psychosocial communication tools to individuals in active cancer treatment and serious medical recovery — empowering patients and their support networks to protect their energy, privacy, and peace while maintaining meaningful connection with the people who love them.

— Cynthia Rodriguez, Founder & CEO · Circle Signal, Inc.


Always free* for patients

What would a 'Signal' mean for your journey?

Everyone's needs are different. Tell us which part of Circle Signal speaks to you most.

Your response goes directly to Cynthia. Private and personal. Circle Signal, Inc. is a U.S.-based nonprofit with 501(c)(3) status pending. Your story is confidential and used only to improve support for patients.

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Thank you for your signal.

I received your message and I will read it personally. You are helping build something that matters.

Join the waitlist

Be the first to know

Circle Signal is coming. Sign up to be among the first patients, caregivers, and healthcare professionals to use it.

Your information is private and will never be sold or shared.
Circle Signal, Inc. · Florida Nonprofit Corporation · EIN 42-1952998

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You're on the list

Thank you for believing in this mission. You'll hear from us when Circle Signal launches.