# Memory SoundX | Brain Training vs Since Then

The clearest difference is price: Memory SoundX | Brain Training at Free against Since Then's $9.99. Memory SoundX | Brain Training also leads on ads (none vs shown) and device support (3 vs 1). Since Then's advantage is in-app purchases (none vs 3) and update cadence (every 6 days vs every 3 weeks). On iOS requirement there is nothing between them.

Memory SoundX | Brain Training is free to download; Since Then costs $9.99 up front. Memory SoundX | Brain Training sells 3 in-app purchases, starting at $2.99 per month. Since Then asks for nothing beyond the download.

Memory SoundX | Brain Training ships an update every 3 weeks, Since Then every 6 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Memory SoundX | Brain Training | Since Then |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/memory-soundx-brain-training/id979287610/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 5 MB | 42 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Central Domains LLC](https://appshunter.io/developer/1896329345) | [Moruk LLC](https://appshunter.io/developer/1826185873) |

## 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. | $2.99 | per month |
| Pro Annual. | $14.99 | per year |
| Memory SoundX Pro — Lifetime. | $29.99 | one-time |


### Since Then

[App page](https://appshunter.io/ios/app/since-then-quit-tracker/id6761450312)

**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 Since Then free?

Since Then costs $9.99, with no in-app purchases.

### Do Memory SoundX | Brain Training or Since Then have ads?

Since Then shows ads; Memory SoundX | Brain Training does not.

### Which is updated more often, Memory SoundX | Brain Training or Since Then?

Memory SoundX | Brain Training ships an update every 3 weeks, and Since Then every 6 days. Most recently, Memory SoundX | Brain Training was updated on November 1, 2026 and Since Then on October 31, 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.*