# 오픽 기출 문제 vs 날벼락

The clearest difference is price: 날벼락 at Free against 오픽 기출 문제's $0.49. 날벼락 also leads on update cadence (every 3 days vs every 19 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

날벼락 is free to download; 오픽 기출 문제 costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

오픽 기출 문제 ships an update every 19 months, 날벼락 every 3 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 오픽 기출 문제 | 날벼락 |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 days** |
| Size | 105 MB | 52 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Sunghee Lee](https://appshunter.io/developer/1477689060) | [eunhyeok yang](https://appshunter.io/developer/6795759066) |

## What reviewers say

### 오픽 기출 문제

[App page](https://appshunter.io/ios/app/id6743614636)

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

**In-app purchases:** none


### 날벼락

[App page](https://appshunter.io/ios/app/id6795970069)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 오픽 기출 문제 free?

오픽 기출 문제 costs $0.49, with no in-app purchases.

### Is 날벼락 free?

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

### Do 오픽 기출 문제 or 날벼락 have ads?

Neither 오픽 기출 문제 nor 날벼락 shows ads.

### Which is updated more often, 오픽 기출 문제 or 날벼락?

오픽 기출 문제 ships an update every 19 months, and 날벼락 every 3 days. Most recently, 오픽 기출 문제 was updated on November 4, 2026 and 날벼락 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.*