# DDAYO vs 날먹

The clearest difference is update cadence: DDAYO at daily against 날먹's every 6 days. 날먹's advantage is iOS requirement (12.0 vs 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.

DDAYO ships an update daily, 날먹 every 6 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DDAYO | 날먹 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 days |
| Monetization | — | Free |
| Size | 46 MB | 88 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JinGyun Jeong](https://appshunter.io/developer/1535411435) | [HONG IK LEE](https://appshunter.io/developer/1819512861) |

## What reviewers say

### DDAYO

[App page](https://appshunter.io/ios/app/ddayo/id6743990712)

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

**In-app purchases:** none


### 날먹

[App page](https://appshunter.io/ios/app/id6747040061)

This app focuses on practicing past exam questions to help users pass the Information Processing Engineer exam. It offers features like year-by-year question sets, automatic review of incorrect answers, and real-time performance analysis. It's designed for efficient, exam-focused preparation.

**Highlights:** Yearly past question practice, Automatic incorrect answer review, Real-time accuracy and error rate analysis, Mock exam mode, Offline support

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

**In-app purchases:** none


## Frequently asked questions

### Is DDAYO free?

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

### Is 날먹 free?

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

### Do DDAYO or 날먹 have ads?

Neither DDAYO nor 날먹 shows ads.

### Which is updated more often, DDAYO or 날먹?

DDAYO ships an update daily, and 날먹 every 6 days. Most recently, DDAYO was updated on October 23, 2026 and 날먹 on October 24, 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.*