# Premier Mobile ePRO vs Roche_CS45570

Premier Mobile ePRO and Roche_CS45570 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Premier Mobile ePRO | Roche_CS45570 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (20 ratings)](https://appshunter.io/ios/app/premier-mobile-epro/id1166276072/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 4 MB | 88 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [PREMIER RESEARCH INTERNATIONAL LLC](https://appshunter.io/developer/1164185114) | [ERT,INC](https://appshunter.io/developer/1160214546) |

## What reviewers say

### Premier Mobile ePRO

[App page](https://appshunter.io/ios/app/premier-mobile-epro/id1166276072)

This application facilitates the collection of patient-reported outcomes during clinical trials. It provides a platform for researchers to gather essential data directly from participants.

**Highlights:** Patient-reported outcome collection, Clinical trial data management, Secure data gathering, Participant data input

**In-app purchases:** none


### Roche_CS45570

[App page](https://appshunter.io/ios/app/roche-cs45570/id6739610057)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Premier Mobile ePRO free?

Premier Mobile ePRO is free to download, with no in-app purchases.

### Is Roche_CS45570 free?

Roche_CS45570 is free to download, with no in-app purchases.

### Do Premier Mobile ePRO or Roche_CS45570 have ads?

Neither Premier Mobile ePRO nor Roche_CS45570 shows ads.

### Which is updated more often, Premier Mobile ePRO or Roche_CS45570?

Premier Mobile ePRO ships an update every 4 months, and Roche_CS45570 every 4 months. Most recently, Premier Mobile ePRO was updated on November 2, 2026 and Roche_CS45570 on October 24, 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.*