# OptoDrum vs Focus Builder Pro

The clearest difference is price: Focus Builder Pro at Free against OptoDrum's $4.99. Focus Builder Pro also leads on rating (5.0 vs 2.3) and update cadence (every 10 days vs every 3 months). OptoDrum's advantage is in-app purchases (none vs 3) and review sentiment (30% vs 0%). On ads and device support there is nothing between them.

Focus Builder Pro is free to download; OptoDrum costs $4.99 up front. Focus Builder Pro sells 3 in-app purchases, starting at $9.99 per month. OptoDrum asks for nothing beyond the download.

Focus Builder Pro holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: OptoDrum has 18 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 30% of OptoDrum's written reviews are positive against 0% of Focus Builder Pro's, so the app with the better star average is not the one people write more warmly about.

OptoDrum ships an update every 3 months, Focus Builder Pro every 10 days. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | OptoDrum | Focus Builder Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [2.3 (18 ratings)](https://appshunter.io/ios/app/optodrum/id374981098/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/focus-builder-pro/id6751810825/reviews)** |
| Number of ratings | **18** | 2 |
| Positive reviews | **30.4% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#150** | — |
| Size | 2 MB | 50 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Linsay Associates, LLC](https://appshunter.io/developer/326305565) | [NeurdSolutions, LLC](https://appshunter.io/developer/950133465) |

## What reviewers say

### OptoDrum

[App page](https://appshunter.io/ios/app/optodrum/id374981098)

**Currently charting:** #150 Top Paid · Medical (US App Store)

This medical tool offers a digital alternative to traditional optokinetic drums for assessing neurological, otological, and ophthalmological conditions. It allows for easy adjustment of patterns, speed, and width, making it a convenient option for clinical use.

**Highlights:** Digital replacement for optokinetic drums, Adjustable stripe patterns, width, and speed, Five pattern types: stripes, colors, symbols, animals, Intuitive touch controls for speed and stopping, Pinch-to-zoom for pattern width adjustment

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

**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 OptoDrum free?

OptoDrum costs $4.99, with no in-app purchases.

### Is Focus Builder Pro free?

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

### Which has better reviews, OptoDrum or Focus Builder Pro?

Focus Builder Pro is rated higher. OptoDrum averages 2.3 out of 5 from 18 ratings, while Focus Builder Pro averages 5.0 from 2 ratings.

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

Neither OptoDrum nor Focus Builder Pro shows ads.

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

OptoDrum ships an update every 3 months, and Focus Builder Pro every 10 days. Most recently, OptoDrum was updated on September 10, 2026 and Focus Builder Pro on September 13, 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.*