# Visual Attention Therapy vs DREX

The clearest difference is review sentiment: Visual Attention Therapy at 92% against DREX's 0%. Visual Attention Therapy also leads on rating (4.7 vs 1.0) and update cadence (every 6 months vs every 33 months). DREX's advantage is price (Free vs $19.99). On ads, in-app purchases and iOS requirement there is nothing between them.

DREX is free to download; Visual Attention Therapy costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Visual Attention Therapy holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Visual Attention Therapy has 486 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 92% of Visual Attention Therapy's written reviews are positive against 0% of DREX's.

Visual Attention Therapy ships an update every 6 months, DREX every 33 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Visual Attention Therapy | DREX |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.7 (486 ratings)](https://appshunter.io/ios/app/visual-attention-therapy/id539203206/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/drex/id985520935/reviews) |
| Number of ratings | **486** | 1 |
| Positive reviews | **92.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 33 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 87 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 12+ |
| Developer | [Tactus Therapy Solutions Ltd.](https://appshunter.io/developer/438070002) | [University of Durham](https://appshunter.io/developer/924002071) |

## What reviewers say

### Visual Attention Therapy

[App page](https://appshunter.io/ios/app/visual-attention-therapy/id539203206)

This app retrains the brain to scan from left to right, improving reading, concentration, and memory. It features two modes to help individuals with left neglect and professionals assess and treat visual attention deficits.

**Highlights:** Left-to-right scanning training, Visual attention deficit assessment, Target finding exercises, Immediate feedback with cues, Automated scoring and reports, Adjustable difficulty and layouts, Printable exercise options

**In-app purchases:** none


### DREX

[App page](https://appshunter.io/ios/app/drex/id985520935)

This free medical app provides training and assessment to help individuals compensate for partial visual loss. It offers self-adapting reading and exploration exercises that adjust in difficulty as you learn. You can also choose to share your progress data confidentially with healthcare professionals.

**Highlights:** Compensate for partial visual loss, Self-adapting reading training, Exploration training exercises, Regular assessments, Optional data sharing with clinicians, Home-based, unsupervised training

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Visual Attention Therapy free?

Visual Attention Therapy costs $19.99, with no in-app purchases.

### Is DREX free?

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

### Which has better reviews, Visual Attention Therapy or DREX?

Visual Attention Therapy is rated higher. Visual Attention Therapy averages 4.7 out of 5 from 486 ratings, while DREX averages 1.0 from 1 ratings.

### Do Visual Attention Therapy or DREX have ads?

Neither Visual Attention Therapy nor DREX shows ads.

### Which is updated more often, Visual Attention Therapy or DREX?

Visual Attention Therapy ships an update every 6 months, and DREX every 33 months. Most recently, Visual Attention Therapy was updated on October 14, 2026 and DREX on September 30, 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.*