# Zemi

> Real-time mood reporting for research participants. (iPhone/iPad app by University of Southern California Apps.)

- Source: https://appshunter.io/ios/app/zemi/id1628427358 (this page in markdown: same URL + `.md`)
- Developer: [University of Southern California Apps](https://appshunter.io/developer/540434445)
- Category: Education
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 3 MB
- Languages: American English
- Released: 2022-06-12
- Data updated: 2026-09-02
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/zemi/id1628427358/reviews.md

## What is Zemi?

This app allows participants in the EMA study of the University of Southern California to tell us how they are feeling at random times of the day.

## Key features

- Randomized mood reporting
- Real-time data collection
- EMA study participation
- Feeling tracking


## Frequently asked questions about Zemi

### What is Zemi used for?

Zemi is used by participants in the University of Southern California's EMA study to report their feelings at random times throughout the day. This allows for real-time data collection on emotional states for research purposes.

### Is Zemi free to use?

Yes, Zemi is available for free. It is a research tool provided by the University of Southern California Apps.

### What devices support Zemi?

Zemi is compatible with iPhones, iPads, and iPods, making it accessible to a wide range of Apple users.

### How often is Zemi updated?

The latest version of Zemi is 7.0, and it was last updated on March 19, 2026. This indicates a commitment to ongoing development and maintenance.

### What is the age rating for Zemi?

Zemi has an age rating of 4+, making it suitable for a broad audience. This suggests no mature content is present within the application.

### Does Zemi offer certifications for completing the study?

The provided information does not mention whether Zemi offers certifications. Its primary function is for data collection within the EMA study.

### Can Zemi be used offline?

The description does not specify offline functionality for Zemi. As it is for real-time data collection, an internet connection is likely required.

### What learning methodology does Zemi employ?

Zemi does not employ a learning methodology. It is a tool for participants to report their feelings as part of an empirical research study.

## Version history (last 5 releases)

### 7.0 — 2026-03-19

Respondents who consented to share their activity data with us can do so via the app with new health data metrics.

### 6.0 — 2023-09-05

Notifications are back!

### 5.0 — 2023-09-03

Respondents who consented to share their activity data with us can now do so directly through the app.

### 4.0 — 2023-03-15

Your personal panel page will now open in Safari.

### 3.0 — 2022-06-13

No release notes.

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All apps by University of Southern California Apps: https://appshunter.io/developer/540434445

## Related topics

[zemi](https://appshunter.io/ios/topics/zemi)

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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 2026-09-02.*