# Alfin vs DXJ

The clearest difference is rating: Alfin at 5.0 against DXJ's 2.3. Alfin also leads on iOS requirement (12.0 vs 15). DXJ's advantage is ratings volume (55 vs 1) and update cadence (every 2 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.

Alfin holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: DXJ has 55 ratings behind it against 1, so its average is the more settled of the two.

Alfin ships an update every 3 months, DXJ every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Alfin | DXJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alfin/id1527551377/reviews)** | [2.3 (55 ratings)](https://appshunter.io/ios/app/dxj/id6472878104/reviews) |
| Number of ratings | 1 | **55** |
| Positive reviews | — | 13.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 70 MB | 65 MB |
| Requires iOS | **12.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beacon Biosignals](https://appshunter.io/developer/1658576264) | [rXperius](https://appshunter.io/developer/1537678067) |

## What reviewers say

### Alfin

[App page](https://appshunter.io/ios/app/alfin/id1527551377)

This medical application serves as an interface for controlling a specific headband device, ensuring its correct operation for clinical research. It is designed exclusively for healthcare professionals and researchers, not general consumers. The app prioritizes user privacy by not collecting personal health data.

**Highlights:** Headband control interface, Ensures proper device functioning, Clinical purposes only, No personal health data collection, Compatible with various iOS devices

**Features:** macOS Compatibility

**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

**What reviewers like**

- 💰 Easy money with surveys
- ⏱️ Quick and simple surveys
- 💸 Instant payouts (initially)
- 👍 Straightforward navigation

**What reviewers complain about**

- ❌ Scam/Not getting paid
- 🐛 Payment issues/failed payments
- 🚫 Support unresponsive
- 📉 Reduced survey payout ($3 to $1)
- ⚠️ Inaccessible/not working

**Reported bugs**

- Failed to send payment
- Cannot update app
- Rewards center not working
- Account details not visible/changeable
- Apple Health connection issues

**Requested features**

- Fix payment issues
- Improve customer support responsiveness
- Revert survey payout to $3
- Make surveys accessible again
- Fix app login issues


## Frequently asked questions

### Is Alfin free?

Alfin 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, Alfin or DXJ?

Alfin is rated higher. Alfin averages 5.0 out of 5 from 1 ratings, while DXJ averages 2.3 from 55 ratings.

### Do Alfin or DXJ have ads?

Neither Alfin nor DXJ shows ads.

### Which is updated more often, Alfin or DXJ?

Alfin ships an update every 3 months, and DXJ every 2 weeks. Most recently, Alfin was updated on November 3, 2026 and DXJ on November 4, 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.*