# eResearch vs Lu Dedoo

The clearest difference is device support: eResearch at 2 against Lu Dedoo's —. Lu Dedoo's advantage is iOS requirement (12.0 vs 15.1). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | eResearch | Lu Dedoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (85 ratings)](https://appshunter.io/ios/app/eresearch/id1515467795/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 89.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 136 MB | 53 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 12+ |
| Developer | [Rose Research Center,LLC](https://appshunter.io/developer/1501685429) | [University of North Carolina at Chapel Hill](https://appshunter.io/developer/924947571) |

## What reviewers say

### eResearch

[App page](https://appshunter.io/ios/app/eresearch/id1515467795)

Participate in clinical research from home to help advance smoking cessation and harm reduction. This platform connects volunteers with studies focused on nicotine addiction, offering remote participation, online consent, and compensation. Advance science and contribute to a healthier future.

**Highlights:** Volunteer registration for nicotine users, Online eConsent process, Compensation for participation, Remote study assessments, Telemedicine visits, Secure participant communication

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 User friendly and easy to use
- 👍 Helpful and thorough recruiters
- 👍 Consistent and on-time notifications
- 👍 Great for keeping up with studies
- 👍 Easy to navigate, even for less tech-savvy users

**What reviewers complain about**

- 🐛 Difficult to reset email
- 🐛 App notifications cannot be turned on outside the app
- 🐛 Surveys sometimes not sent
- 🐛 No taste (for Juul product)
- 🐛 Annoying review requests daily

**Reported bugs**

- Difficult to reset email
- App notifications cannot be turned on outside the app
- Surveys sometimes not sent

**Requested features**

- Allow users to turn on app notifications outside the app


### Lu Dedoo

[App page](https://appshunter.io/ios/app/lu-dedoo/id1629709398)

**In-app purchases:** none


## Frequently asked questions

### Is eResearch free?

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

### Is Lu Dedoo free?

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

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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.*