# WHIRLwell vs MDex

The clearest difference is review sentiment: MDex at 100% against WHIRLwell's 0%. MDex also leads on rating (4.8 vs 3.6) and update cadence (every 3 weeks vs every 3 months). 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.

MDex holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: MDex has 147 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of WHIRLwell's written reviews are positive against 100% of MDex's.

WHIRLwell ships an update every 3 months, MDex every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WHIRLwell | MDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/whirlwell/id1590884318/reviews) | **[4.8 (147 ratings)](https://appshunter.io/ios/app/mdex/id6462492208/reviews)** |
| Number of ratings | 5 | **147** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 14 MB | 83 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The University of Michigan](https://appshunter.io/developer/380339599) | [Julius Stuhec](https://appshunter.io/developer/1703106782) |

## What reviewers say

### WHIRLwell

[App page](https://appshunter.io/ios/app/whirlwell/id1590884318)

Participate in survey-based research studies and share your experiences with researchers. Access short surveys and study materials for the University of Michigan’s WHIRLab and its collaborators. Enroll, withdraw, and receive timely notifications for upcoming surveys.

**Highlights:** Participate in research studies, Complete short surveys, Access study materials, Enroll and withdraw from studies, Receive survey notifications

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

**In-app purchases:** none


### MDex

[App page](https://appshunter.io/ios/app/mdex/id6462492208)

This app helps University of Michigan students navigate campus life. It provides real-time bus tracking, event discovery, and connects users with campus clubs and communities. Access campus resources and giveaways to enhance your student experience.

**Highlights:** Discover campus events, Real-time bus tracking, Connect with clubs, Access campus resources, Find giveaways

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WHIRLwell free?

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

### Is MDex free?

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

### Which has better reviews, WHIRLwell or MDex?

MDex is rated higher. WHIRLwell averages 3.6 out of 5 from 5 ratings, while MDex averages 4.8 from 147 ratings.

### Do WHIRLwell or MDex have ads?

Neither WHIRLwell nor MDex shows ads.

### Which is updated more often, WHIRLwell or MDex?

WHIRLwell ships an update every 3 months, and MDex every 3 weeks. Most recently, WHIRLwell was updated on October 21, 2026 and MDex on October 24, 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.*