Cycle — 9irl

cycle.

Know your rhythm.

Everything you log stays on this device.
We have no server. We cannot see your data. We don't want to.

cycle.

SMTWTFS

Period

Spotting

Symptoms

Estimated

Your rhythm

Avg cycle

—

Avg period

—

Cycles logged

0

Since

—

Log two full cycles to see your averages.

Period

Intensity

Symptoms

Mood

Note

Settings

Display

Show estimated next period

Need 3 cycles to enable

Data

Privacy

Everything you log stays on this device. We have no server. We cannot see your data. We don't want to.

Cycle is not a medical device and does not provide medical advice.

About

Cycle — part of 9irl.com
v1.0 · 2026

Delete all data

This will permanently delete all your cycle data. This cannot be undone.