Phendo vs ehive Studies
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Phendo
This app helps individuals with endometriosis track symptoms, evaluate self-management strategies, and share data with their care team. By participating, users contribute to vital research aimed at understanding and managing the condition.
- Symptom tracking
- Self-management strategy evaluation
- Personalized health journal
- Collaborative care with healthcare team
- Contribution to endometriosis research
- Eligibility tracking
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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.
ehive Studies
Participate in digital health studies to help researchers understand disease causes. Activities include watching videos, answering questions, and syncing wearable device data. All studies are approved by a human subjects protection program.
- Participate in digital health studies
- Watch study-related videos
- Answer daily health questions
- Connect wearable devices
- Sync activity and heart data
- Contribute to disease research
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The ehive platform is a digital health research platform run out of the Icahn School of Medicine at Mount Sinai, NYC. It allows clinicians and researchers to coordinate the long-term collection of “real world” health data and health outcomes from diverse participants. Our goal is to better understand the complicated underlying causes of the diseases that affect us. On the ehive platform, you will be able to participate in digital health studies that could involve activities in the app like: * Watching weekly study-related videos * Answering health questions for a few minutes each day * Connecting a wearable device, such as an Apple Watch, and syncing it with the study to share activity and heart data * And more All studies on ehive are approved by the Program for the Protection of Human Subjects (PPHS) at Mount Sinai Health System.
Screenshots
Verdict
The clearest difference is review sentiment: ehive Studies at 100% against Phendo's 53%. ehive Studies also leads on rating (5.0 vs 4.0) and update cadence (monthly vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ehive Studies holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews point the same way: 53% of Phendo's written reviews are positive against 100% of ehive Studies's.
Phendo ships an update every 4 months, ehive Studies monthly. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.
| Parameter | Phendo | ehive Studies |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (11 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 52.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 — better | 6 |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 49 MB | 38 MB |
| Age rating | 12+ | 17+ |
| Developer | Noemie Elhadad | Icahn School of Medicine at Mount Sinai |
Customer experience
Phendo
ehive Studies
In-app purchases
Phendo
No in-app purchases
ehive Studies
No in-app purchases









