# Math Core A+ vs 기억의궁전 뇌모닉

The clearest difference is in-app purchases: 기억의궁전 뇌모닉 at none against Math Core A+'s 1. Math Core A+'s advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Math Core A+ sells 1 in-app purchase, starting at $1.99 per 7 days. 기억의궁전 뇌모닉 asks for nothing beyond the download.

Math Core A+ ships an update every 12 months, 기억의궁전 뇌모닉 every 7 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Math Core A+ | 기억의궁전 뇌모닉 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 7 months** |
| Monetization | — | Ad-supported |
| Size | 49 MB | 222 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [YongUk Kim](https://appshunter.io/developer/1441198611) | [sunguk park](https://appshunter.io/developer/1873227147) |

## What reviewers say

### Math Core A+

[App page](https://appshunter.io/ios/app/math-core-a-plus/id6468982382)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Exercise | $1.99 | per 7 days |


### 기억의궁전 뇌모닉

[App page](https://appshunter.io/ios/app/id6758509388)

Learn memory palace techniques and practice memorizing numbers, cards, and PAO systems through interactive text, image, audio, and video exercises. This educational app is designed for users aged 13 and above.

**Highlights:** Space memory techniques, Number memorization training, Card memorization training, PAO system training, Interactive learning with text, image, audio, video, Step-by-step guidance

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Core A+ free?

Math Core A+ is free to download, with in-app purchases available.

### Is 기억의궁전 뇌모닉 free?

기억의궁전 뇌모닉 is free to download, with no in-app purchases.

### Do Math Core A+ or 기억의궁전 뇌모닉 have ads?

기억의궁전 뇌모닉 shows ads; Math Core A+ does not.

### Which is updated more often, Math Core A+ or 기억의궁전 뇌모닉?

Math Core A+ ships an update every 12 months, and 기억의궁전 뇌모닉 every 7 months. Most recently, Math Core A+ was updated on October 8, 2026 and 기억의궁전 뇌모닉 on October 6, 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.*