# 데굴데굴 잠금해제 vs PING

The clearest difference is update cadence: PING at daily against 데굴데굴 잠금해제's weekly. PING also leads on iOS requirement (16.0 vs 18.6). 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.

데굴데굴 잠금해제 ships an update weekly, PING daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 데굴데굴 잠금해제 | PING |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ping-shared-to-do-list/id6790294945/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Free |
| Size | 6 MB | 39 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jungguen Kwon](https://appshunter.io/developer/1805059456) | [Kronon Labs Co., Ltd.](https://appshunter.io/developer/1788010601) |

## What reviewers say

### 데굴데굴 잠금해제

[App page](https://appshunter.io/ios/app/id6771597119)

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

**In-app purchases:** none


### PING

[App page](https://appshunter.io/ios/app/ping-shared-to-do-list/id6790294945)

Organize personal and shared tasks with a close contact. Stay updated on what needs doing through shared lists, notifications, and lock screen widgets. This app offers a light, quiet, and easy-to-use experience for everyday task management.

**Highlights:** Personal and shared to-do lists, Invite-code connection, Task management (completion, edit, delete, order), Push notifications for updates, Lock screen widgets, Lock screen wallpaper generation

**In-app purchases:** none


## Frequently asked questions

### Is 데굴데굴 잠금해제 free?

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

### Is PING free?

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

### Do 데굴데굴 잠금해제 or PING have ads?

Neither 데굴데굴 잠금해제 nor PING shows ads.

### Which is updated more often, 데굴데굴 잠금해제 or PING?

데굴데굴 잠금해제 ships an update weekly, and PING daily. Most recently, 데굴데굴 잠금해제 was updated on October 28, 2026 and PING 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.*