# MDex vs PREACT Pillow

The clearest difference is in-app purchases: MDex at none against PREACT Pillow's 1. MDex also leads on ratings volume (147 vs 6) and iOS requirement (12.4 vs 18.0). PREACT Pillow's advantage is rating (5.0 vs 4.8). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. PREACT Pillow sells 1 in-app purchase, starting at $5.99 per month. MDex asks for nothing beyond the download.

PREACT Pillow holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: MDex has 147 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MDex | PREACT Pillow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (147 ratings)](https://appshunter.io/ios/app/mdex/id6462492208/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/preact-pillow/id6753772499/reviews)** |
| Number of ratings | **147** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 83 MB | 80 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Julius Stuhec](https://appshunter.io/developer/1703106782) | [Motion Sync LLC](https://appshunter.io/developer/1844935699) |

## What reviewers say

### 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


### PREACT Pillow

[App page](https://appshunter.io/ios/app/preact-pillow/id6753772499)

This app enhances your driving by providing real-time haptic feedback to reduce motion sickness. When paired with a compatible seat cushion, it alerts you to upcoming motion events, making commutes more comfortable. Experience advanced comfort technology for a better journey.

**Highlights:** Reduces driving nausea, Real-time haptic feedback, Pairs with Haptic Lite seat cushion, Alerts to incoming motion events, Enhances commute comfort

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREACT Haptic Premium | $5.99 | per month |


## Frequently asked questions

### Is MDex free?

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

### Is PREACT Pillow free?

PREACT Pillow is free to download, with in-app purchases available.

### Which has better reviews, MDex or PREACT Pillow?

PREACT Pillow is rated higher. MDex averages 4.8 out of 5 from 147 ratings, while PREACT Pillow averages 5.0 from 6 ratings.

### Do MDex or PREACT Pillow have ads?

Neither MDex nor PREACT Pillow shows ads.

### Which is updated more often, MDex or PREACT Pillow?

MDex ships an update every 3 weeks, and PREACT Pillow every 3 weeks. Most recently, MDex was updated on October 24, 2026 and PREACT Pillow on October 20, 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.*