# 노크 vs ping

The clearest difference is in-app purchases: ping at none against 노크's 2. ping also leads on update cadence (every 2 days vs weekly). 노크's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 노크 sells 2 one-off in-app purchases. ping asks for nothing beyond the download.

노크 ships an update weekly, ping every 2 days. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 노크 | ping |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/id1477327529/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 96.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 146 MB | 41 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Solidarite Inc.](https://appshunter.io/developer/1255064858) | [seungha Park](https://appshunter.io/developer/6789601489) |

## What reviewers say

### 노크

[App page](https://appshunter.io/ios/app/id1477327529)

Connect with fellow admitted students, find classmates by major and region, and join course-specific chat rooms. Plan your schedule and get to know seniors before you even start university.

**Highlights:** Admitted student community, Find classmates by major/region, Anonymous chat rooms, Connect with seniors, Schedule planner, Course chat rooms

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 쿠키 65개 충전 | $1.99 | one-time |
| 쿠키 145개 | $2.99 | one-time |


### ping

[App page](https://appshunter.io/ios/app/ping-diary/id6789601067)

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

**In-app purchases:** none


## Frequently asked questions

### Is 노크 free?

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

### Is ping free?

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

### Do 노크 or ping have ads?

Neither 노크 nor ping shows ads.

### Which is updated more often, 노크 or ping?

노크 ships an update weekly, and ping every 2 days. Most recently, 노크 was updated on November 10, 2026 and ping on November 5, 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.*