# Memory SoundX | Brain Training vs Motor Function

The clearest difference is rating: Motor Function at 5.0 against Memory SoundX | Brain Training's 4.0. Motor Function also leads on in-app purchases (none vs 3) and update cadence (weekly vs every 3 weeks). Memory SoundX | Brain Training's advantage is iOS requirement (15.6 vs 17.0). On price, ratings volume and monetization model there is nothing between them.

Both are free to download. Memory SoundX | Brain Training sells 3 in-app purchases, starting at $1.99 per month. Motor Function asks for nothing beyond the download.

Motor Function holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Memory SoundX | Brain Training ships an update every 3 weeks, Motor Function weekly. The most recent releases landed on August 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Memory SoundX | Brain Training | Motor Function |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/memory-soundx-brain-training/id979287610/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/motor-function/id6763461844/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 5 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Central Domains LLC](https://appshunter.io/developer/1896329345) | [WeMake, Corp.](https://appshunter.io/developer/1518362354) |

## What reviewers say

### Memory SoundX | Brain Training

[App page](https://appshunter.io/ios/app/memory-soundx-brain-training/id979287610)

This app offers a focused daily brain exercise by pairing distinct tones with vibrant colors. It engages auditory and visual memory to improve attention, recall, and cognitive resilience through a simple pattern repetition game.

**Highlights:** Auditory and visual memory training, Pattern recognition exercises, Daily cognitive challenges, Global leaderboards, No account required, Focus on attention and recall

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly. | $1.99 | per month |
| Pro Annual. | $4.99 | per year |
| Memory SoundX Pro — Lifetime. | $9.99 | one-time |


### Motor Function

[App page](https://appshunter.io/ios/app/motor-function/id6763461844)

This rehabilitation companion helps MCI patients and seniors track their 12-week recovery journey. It intelligently manages aerobic, strength, balance, and cognitive training with adaptive safety features tailored to individual medical profiles.

**Highlights:** 12-week recovery tracking, Aerobic, strength, balance, cognition training, Intelligent safety features, Smart heart rate zones, Flexible course pausing, Transparent reports, MoCA follow-up tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory SoundX | Brain Training free?

Memory SoundX | Brain Training is free to download, with in-app purchases available.

### Is Motor Function free?

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

### Which has better reviews, Memory SoundX | Brain Training or Motor Function?

Motor Function is rated higher. Memory SoundX | Brain Training averages 4.0 out of 5 from 1 ratings, while Motor Function averages 5.0 from 1 ratings.

### Which is updated more often, Memory SoundX | Brain Training or Motor Function?

Memory SoundX | Brain Training ships an update every 3 weeks, and Motor Function weekly. Most recently, Memory SoundX | Brain Training was updated on August 23, 2026 and Motor Function on September 24, 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.*