TeenCycle, a fully offline period tracker for teens, is out now on iPhone and Android — no account, no cloud, no subscription, and nothing it can sell.
United States, 20th Jun 2026 — Laura and her teenage daughter, Mia, spent weeks looking for a period app the two of them could trust. They never found one. So they built it themselves at the kitchen table, and today that app, TeenCycle, arrives for iPhone and Android.
The search started the way it does for most families: they opened the app store and expected to be done in ten minutes. Instead, every tracker wanted something first. The free ones asked for an email and a login before the first entry. The paid ones cost between $40 and $150 a year and behaved like social platforms, with feeds, streaks, and a steady stream of notifications. Several asked a young teen, on day one, whether she was sexually active — a question that doesn’t belong in a fourteen-year-old’s first period app. After comparing the most popular period trackers for teens, Laura kept hitting the same wall: most period apps are advertising businesses with a tracker attached, in a category where the biggest names have drawn lawsuits and regulatory scrutiny over how they handle intimate data.
So the two of them made a different list — not what an app could do, but what it should. It should log a day in one tap. It should never ask a young teen a question that isn’t its business. And it should keep everything on her phone, where no company, not even the one that made it, could see it.
That last principle is the heart of the app. The founders describe it as private by architecture, not by policy — the strongest form of privacy-first period app. A privacy policy is a promise, and a promise from a company that holds your data is only as good as the company. TeenCycle holds nothing: no account, no cloud, no servers, no analytics, no third-party trackers. Everything a user logs lives on the device, and only on the device. There is nothing on the company’s end to leak, sell, or hand over, because there is nothing on the company’s end at all.
The app itself is deliberately small. It opens to three screens: one that shows where you are in your cycle, with a single estimate of when the next period is likely to begin; a calendar that marks logged days in terracotta and likely days in a paler clay; and a settings screen with a dark mode, a one-tap export, and the privacy promise. Logging a day takes a single tap. Streaks, mood logs, community feeds, push notifications, in-app ads, and account creation were all left out on purpose. The list of what the app leaves out is longer than the list of what it keeps.
“We’re not a company with data to sell,” said Laura, who co-founded TeenCycle with Mia. “We’re a family that built the thing we wished existed, for our own daughter first. If we can’t see it, we can’t sell it — and we can’t sell what we don’t have.”
The price follows the same logic. TeenCycle is free to try for seven days, then $9.99 once — never a subscription, no renewals, no second charge. A subscription, the founders decided, would have meant designing for retention: more hooks, more notifications, more reasons to keep a teenager in the app. They wanted the opposite — a tool she opens when she needs it and forgets the rest of the time.
Mia’s main contribution to the design was a list of things to leave out. “I didn’t want an app that wanted to be my friend,” she said. “I just needed to know when my period was probably coming.”
TeenCycle is available now — a private, offline period tracker for teens you can download on the App Store or get it on Google Play. It is free for seven days, then $9.99 once. It is not a medical device and does not provide medical advice; anyone with a health concern should talk to a clinician.
About TeenCycle
TeenCycle is a private period tracker made for teenagers and built by a family. It does the one job a tracker should — log a period and estimate the next one — and nothing else. Everything stays on the phone: no accounts, no cloud, no ads, no analytics. Free for seven days, then $9.99 once, with no subscription. Available on iPhone and Android.
Media contact
TeenCycle
social@teencycle.com
Media Contact
Organization: TeenCycle – katuk llc.
Contact Person: Laura Rooney
Website: http://teencycle.com/
Email: Send Email
Country:United States
Release id:46306
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