# Size test vs MindSpan Memory Booster

The clearest difference is price: MindSpan Memory Booster at Free against Size test's $0.99. MindSpan Memory Booster also leads on update cadence (fortnightly vs every 10 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; Size test costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Size test ships an update every 10 months, MindSpan Memory Booster fortnightly. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Size test | MindSpan Memory Booster |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 1 MB | 5 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) | [Bothina Elzoobi](https://appshunter.io/developer/991489487) |

## What reviewers say

### Size test

[App page](https://appshunter.io/ios/app/size-test/id1059703529)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Size test free?

Size test costs $0.99, with no in-app purchases.

### Is MindSpan Memory Booster free?

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

### Do Size test or MindSpan Memory Booster have ads?

Neither Size test nor MindSpan Memory Booster shows ads.

### Which is updated more often, Size test or MindSpan Memory Booster?

Size test ships an update every 10 months, and MindSpan Memory Booster fortnightly. Most recently, Size test was updated on October 15, 2026 and MindSpan Memory Booster on October 2, 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.*