# Size test vs Memory Test & Brain Training

The clearest difference is price: Memory Test & Brain Training at Free against Size test's $0.99. Memory Test & Brain Training also leads on update cadence (every 2 months vs every 10 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Memory Test & Brain Training 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, Memory Test & Brain Training every 2 months. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Size test | Memory Test & Brain Training |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/memory-test-and-brain-training/id6764237676/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 1 MB | 50 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Viacheslav Romanenko](https://appshunter.io/developer/1046372418) | [Gunawan Santoso](https://appshunter.io/developer/1843786072) |

## What reviewers say

### Size test

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

**In-app purchases:** none


### Memory Test & Brain Training

[App page](https://appshunter.io/ios/app/memory-test-and-brain-training/id6764237676)

This app offers 10 scientific memory tests and brain training exercises to help you understand and improve your cognitive abilities. Track your progress with detailed scores, profiles, and trend charts. Learn effective memory techniques and unlock achievements.

**Highlights:** 10 scientific memory test modes, Digit span and spatial memory tests, Progress tracking and memory profile, Science-backed memory technique articles, Offline functionality, Privacy-focused, local data storage

**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 Memory Test & Brain Training free?

Memory Test & Brain Training is free to download, with no in-app purchases.

### Do Size test or Memory Test & Brain Training have ads?

Neither Size test nor Memory Test & Brain Training shows ads.

### Which is updated more often, Size test or Memory Test & Brain Training?

Size test ships an update every 10 months, and Memory Test & Brain Training every 2 months. Most recently, Size test was updated on September 30, 2026 and Memory Test & Brain Training on September 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.*