# ExpiWell vs UMStudy

The clearest difference is update cadence: ExpiWell at every 5 days against UMStudy's every 2 months. ExpiWell also leads on ratings volume (1.5K vs 2) and device support (3 vs 1). UMStudy's advantage is rating (5.0 vs 4.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

UMStudy holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: ExpiWell has 1.5K ratings behind it against 2, so its average is the more settled of the two.

ExpiWell ships an update every 5 days, UMStudy every 2 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ExpiWell | UMStudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.5K ratings)](https://appshunter.io/ios/app/expiwell/id1070733440/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/umstudy/id6749000095/reviews)** |
| Number of ratings | **1.5K** | 2 |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 35 MB | 50 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Expiwell, Inc.](https://appshunter.io/developer/1070733439) | [Tedu, LLC](https://appshunter.io/developer/1438128366) |

## What reviewers say

### ExpiWell

[App page](https://appshunter.io/ios/app/expiwell/id1070733440)

This app facilitates experience sampling and ecological momentary assessment for research. It allows users to share opinions and experiences through surveys and daily diaries, ensuring data privacy. Researchers can collect valuable insights through this platform.

**Highlights:** Experience sampling method (ESM), Ecological momentary assessment (EMA), Surveys and mood tracking, Daily diary entries, Just-in-time adaptive interventions (JITAI), Digital ethnography

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Straightforward experience
- 🚀 Clean and easy to use
- 💡 Fascinating app

**What reviewers complain about**

- 🐛 Keeps signing users out
- 🐛 App shuts down
- 🐛 Slow performance
- 🐛 Frequent updates

**Reported bugs**

- Login issues
- Incompatibility with certain devices
- Crashing during surveys

**Requested features**

- Better notification system
- More seamless interface


### UMStudy

[App page](https://appshunter.io/ios/app/umstudy/id6749000095)

This app connects university students with academic support services. Students can book tutor appointments, join study groups, and attend peer-led sessions to enhance their understanding of course material and achieve academic goals.

**Highlights:** Book tutor appointments, Attend drop-in sessions, Find study groups, Peer-led study sessions, Collaborative learning environments, One-on-one academic support

**In-app purchases:** none


## Frequently asked questions

### Is ExpiWell free?

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

### Is UMStudy free?

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

### Which has better reviews, ExpiWell or UMStudy?

UMStudy is rated higher. ExpiWell averages 4.6 out of 5 from 1.5K ratings, while UMStudy averages 5.0 from 2 ratings.

### Do ExpiWell or UMStudy have ads?

Neither ExpiWell nor UMStudy shows ads.

### Which is updated more often, ExpiWell or UMStudy?

ExpiWell ships an update every 5 days, and UMStudy every 2 months. Most recently, ExpiWell was updated on October 14, 2026 and UMStudy on October 2, 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.*