# PiLR EMA

> Ecological Momentary Assessment survey delivery for research studies. (iPhone/iPad app by MEI Research Ltd.)

- Source: https://appshunter.io/ios/app/pilr-ema/id1053903788 (this page in markdown: same URL + `.md`)
- Developer: [MEI Research Ltd](https://appshunter.io/developer/1053903787)
- Category: Medical, Health & Fitness
- Price: Free
- Rating: 4.20/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 14 MB
- Languages: American English, French (France), Japanese, European Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2015-11-11
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/pilr-ema/id1053903788/reviews.md

## What is PiLR EMA?

Use PiLR EMA to deliver Ecological Momentary Assessment surveys.

For Study Participants :

This app is intended for people who are enrolled in a research study. You need login information, provided separately, to be an active participant in a study. If you want to learn more about Ecological Momentary Assessments, or see how PiLR EMA works select the See Demo App button after you download the application.


For Research Teams:

PiLR EMA is completely configurable by the research team providing:
    - WYSIWYG design through a web browser
    - Single choice, multiple select, numeric, free text and other response options
    - Complex logic flow, including branching and piping
- Trigger conditions include time algorithms, location, Bluetooth data and motion*
- Contingency feature keeps surveys current and prevents participant fatigue or survey collision

PiLR EMA is part of the PiLR Health system that:
- Manages study flow with defined active and transition periods 
- Coordinates participants, with personalized communications and devices 
- Acquires data from from EMA simultaneous with other data from bluetooth mobile sensors 
- Provides live (dashboard) and exploratory analytics with visualizations
- Template organization for quick setup of studies

Additional PiLR EMA features include:
- Autonomous operation (no data service required to deliver surveys)
- Secure (encrypted) data upload
- Participants can be allowed to set ‘Do not disturb’ times.

## Key features

- Configurable survey design
- Multiple response options
- Complex logic flow
- Time, location, and motion triggers
- Autonomous operation
- Secure data upload


## Frequently asked questions about PiLR EMA

### What is PiLR EMA used for?

PiLR EMA is used to deliver Ecological Momentary Assessment (EMA) surveys to participants enrolled in research studies. It allows research teams to create and deploy custom surveys.

### Who can use PiLR EMA?

PiLR EMA is intended for individuals participating in research studies who have received login information, and for research teams designing and managing these studies.

### Can PiLR EMA be used offline?

Yes, PiLR EMA supports autonomous operation, meaning surveys can be delivered and data collected without requiring a data service.

### How is data secured with PiLR EMA?

Data collected through PiLR EMA is securely uploaded using encryption to ensure the privacy and integrity of participant information.

### What types of questions can research teams create in PiLR EMA?

Research teams can create surveys with single choice, multiple select, numeric, and free text response options, among others.

### What triggers can be used for surveys in PiLR EMA?

Surveys can be triggered by time algorithms, location data, and motion data, allowing for context-aware data collection.

### Does PiLR EMA have ads?

No, PiLR EMA does not contain advertisements.

### What devices does PiLR EMA support?

PiLR EMA is supported on iPhone, iPad, and iPod devices.

## Version history (last 5 releases)

### 4.4.2 — 2025-07-19

Stability updates

### 4.4 — 2025-03-05

Stability updates

### 4.3.3 — 2024-10-04

Stability updates

### 4.3 — 2024-08-08

Stability updates

### 4.2 — 2024-05-28

Stability updates

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## More apps by MEI Research Ltd

- [PARCS Study](https://appshunter.io/ios/app/parcs-study/id1121699468)
- [UM Health Kick Plus](https://appshunter.io/ios/app/um-health-kick-plus/id1535187624)

All apps by MEI Research Ltd: https://appshunter.io/developer/1053903787

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*