# Patient Cloud vs SmartSignals® eCOA

The clearest difference is rating: SmartSignals® eCOA at 5.0 against Patient Cloud's 2.6. Patient Cloud's advantage is ratings volume (113 vs 2). On price, update cadence, ads 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.

SmartSignals® eCOA holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Patient Cloud has 113 ratings behind it against 2, so its average is the more settled of the two.

Patient Cloud ships an update every 5 weeks, SmartSignals® eCOA monthly. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Patient Cloud | SmartSignals® eCOA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (113 ratings)](https://appshunter.io/ios/app/patient-cloud/id1361329140/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smartsignals-ecoa/id1602206850/reviews)** |
| Number of ratings | **113** | 2 |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 84 MB | 53 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Medidata Solutions Worldwide](https://appshunter.io/developer/554170117) | [Signant Health Oy](https://appshunter.io/developer/885378600) |

## What reviewers say

### Patient Cloud

[App page](https://appshunter.io/ios/app/patient-cloud/id1361329140)

This app streamlines patient engagement and data collection for clinical trials. It allows patients to easily participate in studies by answering questionnaires on their mobile devices, while healthcare professionals and researchers can manage invitations and access real-time data.

**Highlights:** ePRO, ClinRO, and site mode functionality, Patient engagement and data management, Clinical trial participation via mobile, Questionnaire completion from home, Patient invitation and health data collection, Integration with Medidata Rave

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SmartSignals® eCOA

[App page](https://appshunter.io/ios/app/smartsignals-ecoa/id1602206850)

This app facilitates data collection from patients and caregivers in clinical trials for new medicines. It provides easy access to questionnaires, helping participants follow study protocols and ensuring data privacy.

**Highlights:** Patient data collection, Caregiver data collection, Clinical trial participation, Questionnaire access, Timely reminders, Patient privacy compliance

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Patient Cloud free?

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

### Is SmartSignals® eCOA free?

SmartSignals® eCOA is free to download, with no in-app purchases.

### Which has better reviews, Patient Cloud or SmartSignals® eCOA?

SmartSignals® eCOA is rated higher. Patient Cloud averages 2.6 out of 5 from 113 ratings, while SmartSignals® eCOA averages 5.0 from 2 ratings.

### Do Patient Cloud or SmartSignals® eCOA have ads?

Neither Patient Cloud nor SmartSignals® eCOA shows ads.

### Which is updated more often, Patient Cloud or SmartSignals® eCOA?

Patient Cloud ships an update every 5 weeks, and SmartSignals® eCOA monthly. Most recently, Patient Cloud was updated on October 19, 2026 and SmartSignals® eCOA on October 15, 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.*