For the heavy days: breathe, check in, make a plan.
Breathe with Splash, check in on your mood, journal, and keep a private safety plan with support lines one tap away.
In short: Splash wellbeing tools include guided breathing, quick mood check-ins, journaling and a personal safety plan for PMDD. They sit next to your cycle data, so you can see how mood and energy move through your cycle. Everything is free and saved on your phone by default.

Breathe with Splash, mood check-ins and a private safety plan.
Breathe with Splash
Steady, sleepy or calm rhythms, with haptics and an optional ocean sound.

Mood check-ins
A quick check-in and journal, so patterns across your cycle become visible.

A safety plan
Write your own warning signs, coping steps and people to call, kept privately on your phone.

Support lines
Crisis numbers are one tap away from the safety plan.

Breathe with Splash
Pick steady (4-4-4-4), sleepy (4-7-8) or calm (5-5) breathing. Splash breathes with you, with haptics and an optional ocean sound.
Mood check-ins
A quick daily check-in and journal, so mood tides across your cycle become visible.
What is a PMDD safety plan?
For hard days, including PMDD: write your warning signs, what helps, and people to contact. Crisis lines are one tap away. It stays on your phone, and backups are encrypted first.
Questions
Is the safety plan private?
Yes. It lives on your phone like the rest of your logs, and is encrypted before any backup.
Is Splash a mental health treatment?
No. If you are in crisis, call 999 (UK) or 911 (US), or contact Samaritans on 116 123 in the UK.
Read more
- PMDD: when PMS turns the volume to maxA real, treatable condition, and you are not “too sensitive”. · 6 min
- Mindfulness and breathing quickiesTwo-to-five-minute resets for cramps, stress or a spiralling brain. · 2 min
- When sadness is more than PMSHow to tell a rough few days from something that needs more support. · 3 min
More features
- PrivacyYour cycle lives on your phone. Optional sync is end-to-end encrypted.
- Apps and widgetsiPhone with Apple Health, Apple Watch, widgets, Android with Health Connect, and the web.
- Partner sharingShare what you choose with a QR code. Pause or switch it off any time.
- Lock Screen timersLive Activities on iPhone: a dose countdown, your mini pill window and a contraction timer.
- PredictionsPeriod and fertile-window estimates shown as honest ranges.
- InsightsCycle history, patterns, gentle experiments and your yearly Wrapped.
Compare: Splash vs Flo
Try wellbeing in ten seconds.
Breathe with Splash, mood check-ins and a private safety plan. No sign-up: it opens in your browser.
Splash is not contraception and not a medical device. Predictions are estimates.