# 사회문화의 정석 vs Killer Math

The clearest difference is ads: 사회문화의 정석 at none against Killer Math's shown. 사회문화의 정석 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, 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.

사회문화의 정석 ships an update every 2 days, Killer Math every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 사회문화의 정석 | Killer Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free | — |
| Size | 54 MB | 46 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [minjae jung](https://appshunter.io/developer/1838270174) | [CHUL HYUN LEE](https://appshunter.io/developer/297999549) |

## What reviewers say

### 사회문화의 정석

[App page](https://appshunter.io/ios/app/id6753178627)

This app helps students prepare for the 'Social Studies and Culture' section of the college entrance exam. It offers concept review, practice quizzes, and simulated exams with detailed explanations and error analysis.

**Highlights:** Concept review with tables and cards, OX and multiple-choice quizzes, Simulated exams with timer and OMR, Detailed explanations and error feedback, Review loop for weak questions, Offline support for concepts and quizzes, Dark mode and accessibility features

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

**In-app purchases:** none


### Killer Math

[App page](https://appshunter.io/ios/app/killer-math/id6785559161)

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

**In-app purchases:** none


## Frequently asked questions

### Is 사회문화의 정석 free?

사회문화의 정석 is free to download, with no in-app purchases.

### Is Killer Math free?

Killer Math is free to download, with no in-app purchases.

### Do 사회문화의 정석 or Killer Math have ads?

Killer Math shows ads; 사회문화의 정석 does not.

### Which is updated more often, 사회문화의 정석 or Killer Math?

사회문화의 정석 ships an update every 2 days, and Killer Math every 4 days. Most recently, 사회문화의 정석 was updated on October 30, 2026 and Killer Math 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.*