# Lung Challenge vs Chi Pop Puzzle

The clearest difference is in-app purchases: Lung Challenge at none against Chi Pop Puzzle's 2. Lung Challenge also leads on update cadence (daily vs every 3 weeks). Chi Pop Puzzle's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chi Pop Puzzle sells 2 one-off in-app purchases. Lung Challenge asks for nothing beyond the download.

Lung Challenge ships an update daily, Chi Pop Puzzle every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Lung Challenge | Chi Pop Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (377 ratings)](https://appshunter.io/ios/app/chi-pop-puzzle/id6759904389/reviews)** |
| Number of ratings | — | **377** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 100 MB | 252 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nam Tran Van](https://appshunter.io/developer/1823171023) | [Amir Sohail](https://appshunter.io/developer/1784961942) |

## What reviewers say

### Lung Challenge

[App page](https://appshunter.io/ios/app/lung-challenge-breath-timer/id6758290885)

**In-app purchases:** none


### Chi Pop Puzzle

[App page](https://appshunter.io/ios/app/chi-pop-puzzle/id6759904389)

Engage your mind with a vibrant block-popping puzzle game. Solve hundreds of challenging levels, unlock special rewards, and enjoy smooth, colorful gameplay perfect for all ages. Test your logic and strategy in this addictive brain teaser.

**Highlights:** Addictive block puzzles, Hundreds of challenging levels, Unlock boosters and rewards, Smooth controls and vibrant graphics, Suitable for all ages

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Removed | $8.99 | one-time |
| Unlock Everything | $12.99 | one-time |


## Frequently asked questions

### Is Lung Challenge free?

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

### Is Chi Pop Puzzle free?

Chi Pop Puzzle is free to download, with in-app purchases available.

### Do Lung Challenge or Chi Pop Puzzle have ads?

Lung Challenge shows ads; Chi Pop Puzzle does not.

### Which is updated more often, Lung Challenge or Chi Pop Puzzle?

Lung Challenge ships an update daily, and Chi Pop Puzzle every 3 weeks. Most recently, Lung Challenge was updated on October 31, 2026 and Chi Pop Puzzle on October 31, 2026.

---

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