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  • Phendo screenshot 1
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About Phendo

Welcome to Phendo, a research app designed to transform the way individuals living with endometriosis understand and manage their condition, while contributing invaluable data to advance scientific research in the field. Symptom Tracking Phendo offers a platform for users to track their symptoms. Every aspect of your experience is documented, creating a personalized health journal, from pain intensity to endo belly. Self-Management Empower yourself with the ability to record and evaluate the effectiveness of various self-management strategies. Whether it's dietary changes, exercise routines, or medication schedules, Phendo helps you track what works or doesn’t work, enabling a more tailored approach to managing your endometriosis. Collaborative Care With Phendo, you're not just managing your condition; you're actively participating in your healthcare journey. The app allows you to explore your tracked data together with your care team and make informed decisions about which treatments are most effective for you. Contribute to Research By using Phendo, you're also contributing to a larger cause. The data you provide helps researchers gain a deeper understanding of endometriosis. Your participation is instrumental in advancing our knowledge of this complex condition. Eligibility Menstrual Requirement: Must have had at least one menstrual period. Age Requirement: Must be 13 or older. For those aged 13-17, parental or guardian consent is required. Join the Phendo community today, and take control of your endometriosis journey while contributing to vital research efforts! Phendo is a research app from Citizen Endo, a research initiative at the Columbia University Department of Biomedical Informatics.

Ratings & reviews

4.0

11 ratings

5 ★ 73% 4 ★ 0% 3 ★ 0% 2 ★ 9% 1 ★ 18%

What’s new

Version 4.0.0 · Updated October 2, 2026

Added a new question with image-based answers for day tracking to record how you felt today. App enhancements.

App privacy

The developer, Noemie Elhadad, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Identifiers: User ID

Used for: App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name
  • Health & Fitness: Health
  • User Content: Photos or Videos, Audio Data
  • Sensitive Info: Sensitive Info

Used for: App Functionality, Other Purposes

Alternatives to Phendo

Looking for apps like Phendo? Here are 6 similar apps on the App Store. The highest rated is ehive Studies (5.0/5), and all 6 are free to download.

Phendo vs. alternatives
App Rating Price Last updated Compare
Phendo 4.0 / 5 (11 ratings) Free October 2, 2026
ENdi: Endometriosis Tracker 4.2 / 5 (13) Free Oct 11, 2026 Compare
Endometriosis Tracker: Endo45 4.1 / 5 (45) Free Oct 7, 2026 Compare
ehive Studies 5.0 / 5 (6) Free Aug 25, 2026 Compare
Lasa Health 4.3 / 5 (16) Free Nov 12, 2025 Compare
Endolog: Endometriosis Tracker 4.3 / 5 (23) Free Oct 3, 2026 Compare
Endometriosis Tracker 1.0 / 5 (1) Free Apr 29, 2026 Compare

Compare Phendo with the top alternatives: ratings, updates, ASO score and keyword gaps →