The fun way to track your gut health. Log every bathroom trip in seconds, get a science-backed Digestive Health Score, and finally understand what your body is telling you.
Three steps between you and a clearer picture of your gut health
Tap to log stool type, color and how you feel. No forms, no friction — just a few taps after every trip.
Our AI turns today's entry into a 0–10 Digestive Health Score with a plain-English explanation of what it means.
Weekly and monthly trends reveal how food, stress, hydration or sleep are really affecting your digestion.
Track stool, bowel movements, gut health, and digestion in one simple app. PooDoo helps you understand your body and build better habits.
Log patterns and habits in seconds. Get instant insights, track gut health trends, and monitor your progress over time.
Whether you want to improve digestion or reduce bloating — PooDoo makes it simple and clear.
Every score PooDoo shows you traces back to a real clinical source
Your Digestive Health Score is built on the Bristol Stool Form Scale (Lewis & Heaton, 1997), validated transit-time research, and the World Gastroenterology Organisation's guidelines on bowel health — not guesswork. We publish every source we use.
See the full methodology →Select a type to learn what it means for your digestion
Separate hard lumps that are difficult to pass.
Details →Lumpy sausage-like stool indicating slow digestion.
Details →Sausage with cracks on surface. Nearly optimal.
Details →Smooth soft sausage. Ideal digestive health.
Details →Soft blobs with clear edges.
Details →Fluffy pieces with ragged edges.
Details →Watery stool with no solid pieces.
Details →The Bristol Stool Scale (or Bristol Stool Form Scale) is a medical classification of stool into 7 types, developed by Lewis & Heaton in 1997. Types 3 and 4 are considered the healthy range; PooDoo uses it as the foundation of its Digestive Health Score.
Yes. PooDoo is free to download on the App Store and Google Play, with core logging, Bristol Stool Scale tracking and analytics included.
Yes. Your logs are encrypted in transit and used only to generate your personal insights. See our Privacy Policy for full details on data handling and your rights.
No. PooDoo is an educational self-tracking tool, not a diagnostic or medical device. Always consult a healthcare professional about any digestive symptoms that concern you.
PooDoo is available for iPhone on the App Store and for Android phones on Google Play.
Download PooDoo free and get your first Digestive Health Score today.