Seeking a diagnosis
Keep a clear record of symptoms, meals, and questions, so your first conversations with a GI start with the full picture.
Personalized support for
living with Crohn's & UC
Aidy helps people with IBD stick to treatment plans, discover and avoid triggers, and better communicate with care teams. All free.
Get started via text (US)
Prefer an app? Aidy is free on iPhone.
A companion for wherever you are on your IBD journey
Newly diagnosed
Learn the language of IBD, build a baseline, and keep the next steps from your care team in one manageable place.
Starting a first biologic
Remember doses and infusions, log how you feel, and watch for changes as a new treatment becomes part of your routine.
Between appointments
Capture the small day-to-day details and turn them into trends you can understand without letting tracking take over your life.
Switching biologics
Follow a new schedule and compare your symptoms and routines before and after the switch, one day at a time.
Preparing for or recovering from surgery
Organize questions and prep beforehand, then keep up with medications, symptoms, energy, and recovery once you’re home.
Whatever today looks like, Aidy can meet you there.
Everything in one place
Stress less. Understand more.
What Aidy captures
Symptoms
Easily track key symptoms for detecting flares along with whatever else is bothering you, all with just a few quick taps.
Diet
Just snap pics or describe what you eat, then we'll figure out what foods set you off over time.
Treatments
From pills, injections, infusions, and whatever else, Aidy will help you stay on top of your treatments.
What you get
Trend Analysis
Our powerful models show you how your condition is trending over time, helping you figure out what works for you.
Doc-Ready Reports
Aidy lets you easily export physician-friendly reports to keep your doctor up-to-date on how you're doing.
Personalized Learning
Aidy feeds you bite-sized nuggets about your condition, new research, and what people are finding works for them.
Log, then learn
Make sense of your Crohn's or UC, one daily check-in at a time
Aidy makes it simple to monitor your condition and helps you figure out what works and what doesn't.
Learning Center
Learn about Crohn's, UC, and treatments
Clear, practical articles to help you understand symptoms, medications, flares, nutrition, and everyday disease management. Browse by topic or jump into the condition you want to learn more about below.
Medication access
Get help accessing your IBD medication
Check typical insurance requirements or find official savings, enrollment, nursing, training, and delivery support from manufacturers. No sign-up needed.
FAQs
Questions, answered
Aidy is for people living with Crohn's disease or ulcerative colitis who want more control over their condition and life.
To track their condition (meals by photo or text, Bristol stool type, symptoms, and medications), find and avoid their triggers, learn about the disease, and share doctor-ready reports with their GI.
Yes. Aidy is free to use, with no subscription, no in-app purchases, and no ads, because we believe this service should be accessible to everyone. We work with health plans, employers, and researchers to make money.
Anyone with a US phone number can use Aidy by text message, on any phone, including Android. If you'd rather use an app, Aidy is on the App Store for iPhone. Both are in English.
Yes. Aidy has built-in schedules for Humira, Remicade, Entyvio, Skyrizi, Stelara, Omvoh, Tremfya, Cimzia, Simponi, Tysabri, and their biosimilars, with reminders before each dose, injection-site rotation, and check-ins after each dose. It follows the schedule your doctor prescribes.
No. Aidy is a self-tracking and educational tool. Its AI chat uses your logs to give personalized, source-backed information about IBD, but it isn't medical advice or a substitute for your care team.
Aidy, Inc., a company backed by Y Combinator and founded by a team out of MIT with experience in biotech and The Rockefeller Foundation's Health Initiative.
Yes. Aidy launched in 2025 as IBD Hero, was renamed Gut Hero in July 2025, and became Aidy in October 2025. It's the same app.
You can read ratings and reviews on the App Store, and see Aidy's company page on Y Combinator. Aidy is also listed in the Crohn's & Colitis Foundation's Helpful Apps directory.
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Take back control of life with IBD, starting today
Text Aidy to get started in seconds. It's free, private, and there's nothing to install.