# HMP LITE vs DXJ

The clearest difference is rating: HMP LITE at 3.7 against DXJ's 2.3. DXJ's advantage is update cadence (every 2 weeks vs every 6 weeks) and ratings volume (55 vs 9). 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.

HMP LITE holds the better App Store score, 3.7 against 2.3. That said, the two scores are not equally well evidenced: DXJ has 55 ratings behind it against 9, so its average is the more settled of the two.

HMP LITE ships an update every 6 weeks, DXJ every 2 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | HMP LITE | DXJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/hmp-lite/id6446295387/reviews)** | [2.3 (55 ratings)](https://appshunter.io/ios/app/dxj/id6472878104/reviews) |
| Number of ratings | 9 | **55** |
| Positive reviews | — | 13.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 51 MB | 65 MB |
| Requires iOS | 15.1 | **15** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Florida State University](https://appshunter.io/developer/372797914) | [rXperius](https://appshunter.io/developer/1537678067) |

## What reviewers say

### HMP LITE

[App page](https://appshunter.io/ios/app/hmp-lite/id6446295387)

This research study app aims to improve participant engagement and adherence to HIV prevention medication. It features a game-based economy with rewards, weekly messages, and dynamic content to keep users involved over time.

**Highlights:** Participant engagement, PrEP adherence support, Game-based economy, Weekly feature highlights, Dynamic content updates

**Features:** Vision Pro support

**In-app purchases:** none


### DXJ

[App page](https://appshunter.io/ios/app/dxj/id6472878104)

Share your health journey and earn cash by completing short, monthly surveys. Your anonymous responses contribute to healthcare research while you get paid via Venmo. Privacy is paramount, with no personal information ever sold.

**Highlights:** Share disease journey, Earn cash rewards, Short monthly surveys, Anonymous patient responses, Secure and private, Cancel anytime

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HMP LITE free?

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

### Is DXJ free?

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

### Which has better reviews, HMP LITE or DXJ?

HMP LITE is rated higher. HMP LITE averages 3.7 out of 5 from 9 ratings, while DXJ averages 2.3 from 55 ratings.

### Do HMP LITE or DXJ have ads?

Neither HMP LITE nor DXJ shows ads.

### Which is updated more often, HMP LITE or DXJ?

HMP LITE ships an update every 6 weeks, and DXJ every 2 weeks. Most recently, HMP LITE was updated on October 25, 2026 and DXJ on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*