# 공풀 vs DITERS

The clearest difference is in-app purchases: 공풀 at none against DITERS's 1. 공풀 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. DITERS sells 1 in-app purchase, starting at $2.99 per month. 공풀 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 공풀 | DITERS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Ad-supported | — |
| Size | 83 MB | 90 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ST Unitas](https://appshunter.io/developer/414843021) | [SANGHWAN PARK](https://appshunter.io/developer/1844754793) |

## What reviewers say

### 공풀

[App page](https://appshunter.io/ios/app/id6743520174)

This app provides a vast collection of past exam questions for civil service exams, allowing users to practice and review anytime, anywhere. It offers various question types, personalized vocabulary lists, and an automatic incorrect answer notebook to help users focus on their weaknesses and improve their study motivation.

**Highlights:** 53,786+ past exam questions, Covers national, local, and military civil service exams, Practice with past questions, variations, and OX quizzes, Focus on key English vocabulary with custom word lists, Automatic incorrect answer notebook, Real-time rankings and missions for motivation

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

**In-app purchases:** none


### DITERS

[App page](https://appshunter.io/ios/app/diters/id6753735096)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DITERS 프리미엄 - 월 ₩3,900 | $2.99 | per month |


## Frequently asked questions

### Is 공풀 free?

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

### Is DITERS free?

DITERS is free to download, with in-app purchases available.

### Do 공풀 or DITERS have ads?

DITERS shows ads; 공풀 does not.

### Which is updated more often, 공풀 or DITERS?

공풀 ships an update weekly, and DITERS weekly. Most recently, 공풀 was updated on October 28, 2026 and DITERS on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*