# Rapid Skills Addition vs Quantum Core

The clearest difference is iOS requirement: Rapid Skills Addition at 13.0 against Quantum Core's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Rapid Skills Addition | Quantum Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rapid-skills-addition/id6473090076/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free | — |
| Size | 35 MB | 30 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Outdoor Coders](https://appshunter.io/developer/1574243940) | [Marlon Santos](https://appshunter.io/developer/1895267207) |

## What reviewers say

### Rapid Skills Addition

[App page](https://appshunter.io/ios/app/rapid-skills-addition/id6473090076)

Enhance your mental and cognitive abilities with daily practice. Improve speed, accuracy, and memory through tutorials, assisted problems, and endless practice. Challenge yourself with increasing difficulty levels to boost mental agility and cognitive skills.

**Highlights:** Tutorials and assisted problems, Endless practice problems, Improve speed and accuracy, Enhance memory and cognitive abilities, Three difficulty settings, Store complex numbers mentally, Listen to oral problems

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum Core

[App page](https://appshunter.io/ios/app/quantum-core-inside-the-atom/id6792081823)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rapid Skills Addition free?

Rapid Skills Addition is free to download, with no in-app purchases.

### Is Quantum Core free?

Quantum Core is free to download, with no in-app purchases.

### Do Rapid Skills Addition or Quantum Core have ads?

Neither Rapid Skills Addition nor Quantum Core shows ads.

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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.*