# moment_e

> Ecological Momentary Assessment app for mood and cognition research. (iPhone/iPad app by Nader Amir.)

- Source: https://appshunter.io/ios/app/moment-e/id1529479809 (this page in markdown: same URL + `.md`)
- Developer: [Nader Amir](https://appshunter.io/developer/813330439)
- Category: Health & Fitness, Education
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 72 MB
- Languages: American English
- Released: 2021-02-24
- Data updated: 2026-07-26
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/moment-e/id1529479809/reviews.md

## What is moment_e?

Moment-E is an Ecological Momentary Assessment(EMA) app (https://pubmed.ncbi.nlm.nih.gov/18509902/) used by researchers to examine fluctuations in mood and cognition during the day.  

The app will send reminder notification daily for 1-4  weeks asking users to complete questionnaire and watch videos.  Users will download the app after completing a consent form approved by a university IRB.

Thus, the target audience is research subject who choose to use the app for two weeks to provide researcher data on the fluctuation in their mood.

Once the 1-4 week period has passed users are still able to use the app entry into the app still functional for up to 2 years.  However they do not need to use the app after the 4 weeks and we will send no reminders.  User will benefit by advancing science and study of mood and cognition.

To use the app you will need a code that you can obtain by visiting below to give consent.
https://cuta.sdsu.edu/emastudy/about.html

For a copy of consent form see
https://cutapublic.s3-us-west-1.amazonaws.com/cutaweb/ema/Stamped_HS_2019_0065_Approved_consent_irb.pdf

## Key features

- Ecological Momentary Assessment (EMA)
- Daily questionnaires
- Video content
- Mood and cognition tracking
- Research data collection
- Long-term functional access


## Frequently asked questions about moment_e

### What is Moment-E used for?

Moment-E is an Ecological Momentary Assessment (EMA) app designed for researchers to study daily fluctuations in mood and cognition. Users complete questionnaires and watch videos to provide valuable data for scientific advancement.

### How long do I need to use Moment-E?

During the research study, you will receive daily reminders for 1 to 4 weeks. After this period, reminders will stop, but the app will remain functional for up to 2 years for entry.

### How do I get started with Moment-E?

To use Moment-E, you need a code obtained after completing a consent form. You can find the consent form and obtain your code by visiting the provided link: https://cuta.sdsu.edu/emastudy/about.html

### Is Moment-E free to use?

Yes, Moment-E is available for free. There are no costs associated with downloading or using the app for its intended research purposes.

### What devices does Moment-E support?

Moment-E is supported on iPhones and iPads, making it accessible to a wide range of Apple device users.

### How accurate is the data collected by Moment-E?

Moment-E collects data through user-reported questionnaires and video interactions, which are standard methods in Ecological Momentary Assessment. The accuracy of the data relies on user engagement and honesty during the study period.

### Does Moment-E integrate with other health apps?

The provided information does not indicate that Moment-E integrates with other health apps. Its primary function is to collect specific data for research studies on mood and cognition.

### How often is Moment-E updated?

The latest version of Moment-E is 12.50, last updated on March 25, 2026. This suggests a history of updates, though the frequency is not explicitly detailed.

## Version history (last 5 releases)

### 13.71 — 2026-07-20

UI fixes and added features for support

### 12.50 — 2026-03-25

Added HRV and updated CEQI UI

### 12.40 — 2026-03-19

Added HRV for ios

### 11.30 — 2026-03-04

cleaned UI added email results

### 11.26 — 2026-02-25

Updated CEQI

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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 2026-07-26.*