# OOOO 오오오오 vs NDNS

The clearest difference is price: OOOO 오오오오 at Free against NDNS's $1.99. OOOO 오오오오 also leads on iOS requirement (13.0 vs 17.0). NDNS's advantage is ads (none vs shown) and update cadence (every 10 days vs every 2 months). On in-app purchases and device support there is nothing between them.

OOOO 오오오오 is free to download; NDNS costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OOOO 오오오오 ships an update every 2 months, NDNS every 10 days. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OOOO 오오오오 | NDNS |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ndns/id6461213251/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#165** |
| Size | 78 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [ARBON Corp.](https://appshunter.io/developer/1571874870) | [Yeonju Choi](https://appshunter.io/developer/1657082904) |

## What reviewers say

### OOOO 오오오오

[App page](https://appshunter.io/ios/app/oooo/id1571874868)

**Features:** macOS Compatibility

**In-app purchases:** none


### NDNS

[App page](https://appshunter.io/ios/app/ndns/id6461213251)

**Currently charting:** #165 Top Paid · Shopping (US App Store)

This Safari extension helps users identify sponsored content when searching for product reviews. It filters out posts that are paid promotions, aiming to assist with more rational purchasing decisions. While not perfect, it strives to provide a clearer view of genuine user experiences.

**Highlights:** Filters sponsored content in Naver search, Works within Naver Place reviews, Identifies paid blog posts, Aids rational purchasing decisions, Safari extension functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is OOOO 오오오오 free?

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

### Is NDNS free?

NDNS costs $1.99, with no in-app purchases.

### Do OOOO 오오오오 or NDNS have ads?

OOOO 오오오오 shows ads; NDNS does not.

### Which is updated more often, OOOO 오오오오 or NDNS?

OOOO 오오오오 ships an update every 2 months, and NDNS every 10 days. Most recently, OOOO 오오오오 was updated on September 27, 2026 and NDNS on October 6, 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.*