# IowaColorVision vs Focus Builder Pro

The clearest difference is in-app purchases: IowaColorVision at none against Focus Builder Pro's 3. Focus Builder Pro's advantage is update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Focus Builder Pro sells 3 in-app purchases, starting at $9.99 per month. IowaColorVision asks for nothing beyond the download.

IowaColorVision ships an update every 2 months, Focus Builder Pro every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | IowaColorVision | Focus Builder Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/focus-builder-pro/id6751810825/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 6 MB | 50 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [The University of Iowa (ITS)](https://appshunter.io/developer/322967701) | [NeurdSolutions, LLC](https://appshunter.io/developer/950133465) |

## What reviewers say

### IowaColorVision

[App page](https://appshunter.io/ios/app/iowacolorvision/id1534323776)

**Features:** macOS Compatibility

**In-app purchases:** none


### Focus Builder Pro

[App page](https://appshunter.io/ios/app/focus-builder-pro/id6751810825)

This app offers targeted eye movement exercises designed to enhance brain plasticity and neurotherapeutic outcomes. It provides customizable exercises and patient session building for practitioners, and permanent access to exercises for patients under guidance.

**Highlights:** Targeted eye movement exercises, Brain plasticity enhancement, Customizable exercise settings, Patient session builder, Progress monitoring, Neurotherapeutic outcomes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus Builder Pro Practitioner | $9.99 | per month |
| Focus Builder Pro Practitioner | $69.99 | per year |
| Patient Purchase | $19.99 | one-time |


## Frequently asked questions

### Is IowaColorVision free?

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

### Is Focus Builder Pro free?

Focus Builder Pro is free to download, with in-app purchases available.

### Do IowaColorVision or Focus Builder Pro have ads?

Neither IowaColorVision nor Focus Builder Pro shows ads.

### Which is updated more often, IowaColorVision or Focus Builder Pro?

IowaColorVision ships an update every 2 months, and Focus Builder Pro every 2 weeks. Most recently, IowaColorVision was updated on October 25, 2026 and Focus Builder Pro on October 25, 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.*