Comparison

Phendo vs ehive Studies

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Symptom tracking
  • Self-management strategy evaluation
  • Personalized health journal
  • Collaborative care with healthcare team
  • Contribution to endometriosis research
  • Eligibility tracking
Features
Read full 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.

About

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.

Highlights
  • 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
Features
Read full description

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

Phendo4 screens
ehive Studies4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Phendo ships an update every 4 months, ehive Studies monthly. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
Phendo versus ehive Studies: the parameters behind the verdict, then further details
ParameterPhendoehive Studies
PriceFreeFree
Rating4.0 (11 ratings)5.0 (6 ratings) — better
Positive reviews52.9% of reviews100.0% of reviews — better
Number of ratings11 — better6
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size49 MB38 MB
Age rating12+17+
DeveloperNoemie ElhadadIcahn School of Medicine at Mount Sinai

Customer experience

Phendo

All ratings11 ratings
Positive72.7%
Neutral0.0%
Negative27.3%
Written reviews17 reviews
Positive52.9%
Neutral0.0%
Negative47.1%

ehive Studies

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Phendo

No in-app purchases

None

ehive Studies

No in-app purchases

Questions

Is Phendo free?
Phendo is free to download, with no in-app purchases.
Is ehive Studies free?
ehive Studies is free to download, with no in-app purchases.
Which has better reviews, Phendo or ehive Studies?
ehive Studies is rated higher. Phendo averages 4.0 out of 5 from 11 ratings, while ehive Studies averages 5.0 from 6 ratings.
Do Phendo or ehive Studies have ads?
Neither Phendo nor ehive Studies shows ads.
Which is updated more often, Phendo or ehive Studies?
Phendo ships an update every 4 months, and ehive Studies monthly. Most recently, Phendo was updated on October 13, 2026 and ehive Studies on September 27, 2026.

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