# Memory SoundX | Brain Training vs Intermittent Fasting

The clearest difference is rating: Intermittent Fasting at 5.0 against Memory SoundX | Brain Training's 4.0. Memory SoundX | Brain Training's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (15.6 vs 26.0). On price, review sentiment, ratings volume and update cadence 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 and Intermittent Fasting sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Intermittent Fasting holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Memory SoundX | Brain Training | Intermittent Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/memory-soundx-brain-training/id979287610/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/intermittent-fasting-fasted/id6760961265/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 7 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Central Domains LLC](https://appshunter.io/developer/1896329345) | [Cliapis](https://appshunter.io/developer/329746116) |

## 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

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

**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 |


### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-fasted/id6760961265)

This app helps you track your intermittent fasting journey with a simple, private interface. It offers a free tier with essential tracking tools and an optional one-time purchase for advanced features like water and protein tracking, and deeper insights. Your data remains on your device for maximum privacy.

**Highlights:** Intermittent fasting timer, Metabolic phase tracking, Water and protein tracking, Home and Lock Screen widgets, Apple Watch integration, On-device AI insights, Private data storage

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasted Pro | $4.99 | one-time |


## Frequently asked questions

### Is Memory SoundX | Brain Training free?

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

### Is Intermittent Fasting free?

Intermittent Fasting is free to download, with in-app purchases available.

### Which has better reviews, Memory SoundX | Brain Training or Intermittent Fasting?

Intermittent Fasting is rated higher. Memory SoundX | Brain Training averages 4.0 out of 5 from 2 ratings, while Intermittent Fasting averages 5.0 from 2 ratings.

### Do Memory SoundX | Brain Training or Intermittent Fasting have ads?

Neither Memory SoundX | Brain Training nor Intermittent Fasting shows ads.

### Which is updated more often, Memory SoundX | Brain Training or Intermittent Fasting?

Memory SoundX | Brain Training ships an update every 3 weeks, and Intermittent Fasting every 3 weeks. Most recently, Memory SoundX | Brain Training was updated on October 7, 2026 and Intermittent Fasting on October 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.*