# Phendo

> Endometriosis Research

Canonical page: [https://chrome-stats.com/d/id1145512423](https://chrome-stats.com/d/id1145512423)

## Overview

- **ID:** `id1145512423`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Noemie Elhadad
- **Category:** Health & Fitness
- **Rating:** 4.00 / 5 (11 ratings)
- **Version:** 3.2.4
- **Last updated:** 2026-01-30
- **First published:** 2016-11-13
- **Size:** 34 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/phendo/id1145512423)
- **Privacy policy:** [https://citizenendo.org/privacypolicy/](https://citizenendo.org/privacypolicy/)

## Description

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.

## Rankings

- #339,113 — Overall

## Review summary

Phendo is a patient-centered, endometriosis symptom tracker that excels at thorough data capture and supporting research, while allowing data to be organized in one place with privacy. Recurrent issues include sign-up and login verification barriers and reliability problems that occasionally prevent tracking or save data, limiting day-to-day use. When functioning, it’s praised for usefulness, ease of use, and contribution to research.

### Pros

- Thorough, comprehensive symptom tracking with many options, tailored to endometriosis.
- Research-focused mission with privacy assurances; users can contribute data to studies by simply tracking.
- Centralized, easy-to-use organization of health data (daily entries and specific moments) in one place.

### Cons

- Sign-up and login/verification issues reported by multiple users (verification code not received, delays, sign-in problems).
- Reliability and data-logging problems causing missing entries or unusable tracking (app loading spins, blank screens, entries not logged).

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1145512423)