# MindSpan Memory Booster vs Reaction SM Dual

The clearest difference is price: MindSpan Memory Booster at Free against Reaction SM Dual's $0.99. MindSpan Memory Booster also leads on update cadence (fortnightly vs every 2 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

MindSpan Memory Booster is free to download; Reaction SM Dual costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MindSpan Memory Booster ships an update fortnightly, Reaction SM Dual every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | MindSpan Memory Booster | Reaction SM Dual |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mindspan-memory-booster/id1111781150/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 5 MB | 2 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bothina Elzoobi](https://appshunter.io/developer/991489487) | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) |

## What reviewers say

### MindSpan Memory Booster

[App page](https://appshunter.io/ios/app/mindspan-memory-booster/id1111781150)

Train your working memory with a simple yet challenging game. Observe moving shapes and recall their details like color and pattern to progress. Improve your cognitive skills essential for learning and focus.

**Highlights:** Observe and recall moving geometric shapes, Identify shape, color, and pattern, Increasing difficulty with speed and complexity, Trains working memory and cognitive skills, Focuses on fluid intelligence and learning ability

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

**In-app purchases:** none


### Reaction SM Dual

[App page](https://appshunter.io/ios/app/reaction-sm-dual/id1468456143)

**In-app purchases:** none


## Frequently asked questions

### Is MindSpan Memory Booster free?

MindSpan Memory Booster is free to download, with no in-app purchases.

### Is Reaction SM Dual free?

Reaction SM Dual costs $0.99, with no in-app purchases.

### Do MindSpan Memory Booster or Reaction SM Dual have ads?

Neither MindSpan Memory Booster nor Reaction SM Dual shows ads.

### Which is updated more often, MindSpan Memory Booster or Reaction SM Dual?

MindSpan Memory Booster ships an update fortnightly, and Reaction SM Dual every 2 months. Most recently, MindSpan Memory Booster was updated on November 2, 2026 and Reaction SM Dual on November 3, 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.*