Bladder Diary
Log bathroom visits with timing, urgency, and day/night patterns. No spreadsheets, no scattered notes.
Your bladder diary — built by a patient
Track your bladder. Document your flares. Show your doctor the whole picture.
Penny is a bladder diary and flare tracker that turns your daily experiences into doctor-ready reports.
- Bank-level security
- Your data is never sold
- Export or delete anytime
Everything your doctor asked you to track. One app.
Flare Tracker
When things get bad, capture the whole episode — timeline, triggers, pain levels, what helped.
Doctor Reports
Generate a clean PDF report showing your patterns over any date range. Walk in prepared.
From scattered notes to doctor-ready data
Log daily
Bathroom visits, pain, wellness, notes. 30 seconds.
See patterns
Your data builds a picture over time.
Share with your provider
One tap. Clean PDF. Every minute counts.
Whether you're just starting to track or years into your journey
"My doctor said 'keep a bladder diary'"
You Googled it. You tried a spreadsheet. You need something better. Penny was built for exactly this.
"I'm connecting the dots"
You know something's going on but can't quite prove it yet. Penny helps you document the full story.
"I'm already diagnosed"
IC, OAB, endo, pelvic pain — you need efficient tracking that doesn't add to your burden.
Whether you're experiencing interstitial cystitis, endometriosis, overactive bladder, pelvic pain, or pelvic floor dysfunction—Penny helps you document clearly and communicate effectively.
See Penny in action
Quick Logging
30 seconds, any time.
Episode Timeline
Full flare documentation.
Pattern Insights
Trends you can show your doctor.
Doctor Reports
One-tap PDF export.
BUILT BY SOMEONE STILL IN IT
Founder Story
"I spent 15 years tracking symptoms on scraps of paper, in random notes apps, and on the backs of appointment summaries. Penny is the app I needed the entire time — and the one I finally built."
Start your bladder diary today
Free to download. Your data stays yours.
- Bank-level security
- Your data is never sold
- Export or delete anytime