# UCSF Eureka Research vs MyDataHelps

The clearest difference is rating: MyDataHelps at 4.4 against UCSF Eureka Research's 3.1. MyDataHelps also leads on review sentiment (43% vs 22%). UCSF Eureka Research's advantage is iOS requirement (14.0 vs 17.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

MyDataHelps holds the better App Store score, 4.4 against 3.1. Both are backed by a comparable volume of ratings — 329 and 304 respectively. Written reviews point the same way: 22% of UCSF Eureka Research's written reviews are positive against 43% of MyDataHelps's.

UCSF Eureka Research ships an update every 5 weeks, MyDataHelps monthly. The most recent releases landed on September 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | UCSF Eureka Research | MyDataHelps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (329 ratings)](https://appshunter.io/ios/app/ucsf-eureka-research/id1235219119/reviews) | **[4.4 (304 ratings)](https://appshunter.io/ios/app/mydatahelps/id1286789190/reviews)** |
| Number of ratings | **329** | 304 |
| Positive reviews | 22.2% of reviews | **43.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 61 MB | 58 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [University of California at San Francisco](https://appshunter.io/developer/446489325) | [CareEvolution](https://appshunter.io/developer/894065254) |

## What reviewers say

### UCSF Eureka Research

[App page](https://appshunter.io/ios/app/ucsf-eureka-research/id1235219119)

Participate in real medical research studies from your smartphone to help solve major health issues. Contribute to world-changing research with top universities and make a significant impact on causes you care about.

**Highlights:** Join medical research studies, Contribute to health problem solutions, Participate via smartphone, Support top research universities, Track impact on health causes

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth performance
- 👍 Easy to use
- 💡 Allows participation in multiple studies
- 👍 Reassuring to be run by academic institution

**What reviewers complain about**

- 🐛 Crashes frequently
- 🔋 High battery consumption
- 🔒 Concerns about data security and privacy
- 👎 Buggy and unstable
- 👎 Unreliable login and password reset functionality

**Reported bugs**

- App crashes during data entry
- Login issues, unable to reset password
- Incompatible with certain devices (e.g., jailbroken, older devices)
- Unexpected behavior when trying to opt out or delete account

**Requested features**

- Improve stability and reliability
- Provide better instructions and guidance
- Add support for international users
- Improve battery optimization


### MyDataHelps

[App page](https://appshunter.io/ios/app/mydatahelps/id1286789190)

Harness your health data to advocate for your well-being. Connect information from wearables and medical records, and contribute to health research projects. Track symptoms and share trends with healthcare providers.

**Highlights:** Connect Apple Health and Fitbit data, Retrieve medical records, Participate in health projects, Track symptoms for chronic conditions, Generate symptom trend reports, Share data with healthcare providers

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use symptom tracker
- 💡 Generates free PDF reports with graphs
- 👍 Customizable symptoms and treatments
- 💡 Contributes to research studies
- 👍 Great for chronic illnesses

**What reviewers complain about**

- 🐛 App won't open after updates
- 🐛 Impossible to cancel membership
- 🐛 Difficult to delete account
- 🐛 Doesn't work well with Apple Watch
- 🐛 No help feature or tech support

**Reported bugs**

- App won't open after latest updates
- App is worse than useless, impossible to cancel or remove
- App is hard to delete
- App claims to work with Apple Watch but doesn't
- App has no Help feature or way to get tech support

**Requested features**

- Add ability to record additional COVID vaccine boosters
- Allow symptom changes during prolonged illness
- Way to earn points for rewards (PayPal, gift cards)
- Edit symptoms on 'Track illness' feature
- Export lab and clinical data to Apple Health


## Frequently asked questions

### Is UCSF Eureka Research free?

UCSF Eureka Research is free to download, with no in-app purchases.

### Is MyDataHelps free?

MyDataHelps is free to download, with no in-app purchases.

### Which has better reviews, UCSF Eureka Research or MyDataHelps?

MyDataHelps is rated higher. UCSF Eureka Research averages 3.1 out of 5 from 329 ratings, while MyDataHelps averages 4.4 from 304 ratings.

### Do UCSF Eureka Research or MyDataHelps have ads?

Neither UCSF Eureka Research nor MyDataHelps shows ads.

### Which is updated more often, UCSF Eureka Research or MyDataHelps?

UCSF Eureka Research ships an update every 5 weeks, and MyDataHelps monthly. Most recently, UCSF Eureka Research was updated on September 4, 2026 and MyDataHelps on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*