Comparison

Premier Mobile ePRO vs DFengage

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

Head to head
About

Premier Mobile ePRO

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
Read full description

This app is used to collect patient reported outcomes during the conduct of clinical trials.

About

DFengage

This app streamlines electronic patient-reported outcomes (ePRO) collection for clinical research. It allows participants to easily report symptoms, complete surveys, and manage study activities from their mobile devices, both online and offline, enhancing data accuracy and participant retention.

Highlights
  • Effortless data collection (symptoms, outcomes, diaries, surveys)
  • Online and offline data capture
  • Participant reminders for timely data
  • Multilingual support and personalized timing
  • Secure and compliant data capture
  • Integrated with DFdiscover system
Features
Read full description

Welcome to DFengage, the ultimate solution for streamlined electronic patient-reported outcomes (ePRO) collection in clinical research. Capture data effortlessly, ditch paper diaries, streamline manual entry, and boost retention rates. Easy, Engaging Participant Experience 1. Install DFengage from the app store 2. Login to your account, provided by the research team 3. Receive a welcome message and instructions 4. Complete today’s activities 5. Receive notifications for new activities when they’re ready Revolutionize your data collection process with our intuitive mobile app designed for seamless interaction between researchers and study participants. Reduce in-person clinic visits and empower participants to report their symptoms, answer surveys, and complete questionnaire from their own device, online or offline, wherever they are. Key Features Effortless Data Collection: Collect symptoms, outcomes, diaries, and surveys via study participants' mobile devices, online or offline, reducing site staff time during in-person or phone visits. Timeliness: Participants receive reminders about new and overdue activities, ensuring timely collection of study data. Flexibility: Collect data in multiple languages, personalize activity timing, and capture multiple activities per day. Security and Compliance: Ensure secure and compliant direct data capture from study participants. Data Validation: Ensure data quality without sacrificing user-friendliness with straightforward data checks. DFdiscover Integration: Fully integrated with the DFdiscover system for a streamlined and comprehensive EDC + ePRO experience. DFengage simplifies the data collection process, empowering researchers and participants alike to contribute efficiently and effectively to clinical research. Join the forefront of innovative data collection today!

Screenshots

Premier Mobile ePRO4 screens
DFengage4 screens

Verdict

The call

The clearest difference is rating: DFengage at 5.0 against Premier Mobile ePRO's 1.9. Premier Mobile ePRO's advantage is ratings volume (19 vs 1) and iOS requirement (11.0 vs 14.4). On price, update cadence, 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

DFengage holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: Premier Mobile ePRO has 19 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Premier Mobile ePRO ships an update every 4 months, DFengage every 2 months. The most recent releases landed on July 23, 2026 and June 23, 2026 respectively.

Scorecard3 real differences · 7 level
Premier Mobile ePRO versus DFengage: the parameters behind the verdict, then further details
ParameterPremier Mobile ePRODFengage
PriceFreeFree
Rating1.9 (19 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings19 — better1
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better14.4
Further details — not scored
Size4 MB41 MB
Age rating4+4+
DeveloperPREMIER RESEARCH INTERNATIONAL LLCDFNet Research, Inc.

Customer experience

Premier Mobile ePRO

All ratings19 ratings
Positive15.8%
Neutral10.5%
Negative73.7%
Written reviews6 reviews
Positive0.0%
Neutral16.7%
Negative83.3%

DFengage

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Premier Mobile ePRO

No in-app purchases

None

DFengage

No in-app purchases

Questions

Is Premier Mobile ePRO free?
Premier Mobile ePRO is free to download, with no in-app purchases.
Is DFengage free?
DFengage is free to download, with no in-app purchases.
Which has better reviews, Premier Mobile ePRO or DFengage?
DFengage is rated higher. Premier Mobile ePRO averages 1.9 out of 5 from 19 ratings, while DFengage averages 5.0 from 1 ratings.
Do Premier Mobile ePRO or DFengage have ads?
Neither Premier Mobile ePRO nor DFengage shows ads.
Which is updated more often, Premier Mobile ePRO or DFengage?
Premier Mobile ePRO ships an update every 4 months, and DFengage every 2 months. Most recently, Premier Mobile ePRO was updated on July 23, 2026 and DFengage on June 23, 2026.

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