Best period tracker for teens in 2026.
A parent’s honest review of seven popular period apps: Flo, Clue, Stardust, Luna, Spot On, Apple Health, TeenCycle.
Short pieces on cycles, privacy, and the quiet design choices behind TeenCycle. Written by the people who make the app.
Our daughter Mia asked for a period app. Three months later, we built her one. Here’s why none of the others fit, and what we made instead.
Read the pieceA parent’s honest review of seven popular period apps: Flo, Clue, Stardust, Luna, Spot On, Apple Health, TeenCycle.

Three meanings of "private," what to check in a privacy policy, and which apps actually meet the bar.
The four that don’t, and how to spot the ones built for adults at signup.

What that decision cost us, what it gave back, and why we’d make it again.

Every feature that didn't make it had a reason. A list of the small "no"s that shape the app.

What to expect, what's normal, and how to read your own data without spiralling.

The word gets thrown around a lot. Here's exactly what leaves your phone with TeenCycle — nothing.

What you can and can't see, and how to talk about cycles without sounding like an HR form.

Most people aren't 28 days. Why textbooks lied, and what's actually normal.

Why the app makes no sound, sends no push, and uses only three screens — by design.
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