# YaniLog vs LUNG

The clearest difference is in-app purchases: LUNG at none against YaniLog's 3. LUNG also leads on iOS requirement (15.0 vs 17.0). YaniLog's advantage is update cadence (daily vs every 9 days). On price, ads and device support there is nothing between them.

Both are free to download. YaniLog sells 3 in-app purchases, starting at $1.99 per month. LUNG asks for nothing beyond the download.

YaniLog ships an update daily, LUNG every 9 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | YaniLog | LUNG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 9 days |
| Size | 21 MB | 31 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [YUKI SHIIYAMA](https://appshunter.io/developer/1867294802) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### YaniLog

[App page](https://appshunter.io/ios/app/yanilog/id6760990829)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YaniLog Pro 月額 | $1.99 | per month |
| YaniLog Pro 年額 | $14.99 | per year |
| YaniLog Pro 買い切り | $34.99 | one-time |


### LUNG

[App page](https://appshunter.io/ios/app/lung-killer/id6767532561)

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

**In-app purchases:** none


## Frequently asked questions

### Is YaniLog free?

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

### Is LUNG free?

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

### Do YaniLog or LUNG have ads?

Both YaniLog and LUNG show ads.

### Which is updated more often, YaniLog or LUNG?

YaniLog ships an update daily, and LUNG every 9 days. Most recently, YaniLog was updated on October 24, 2026 and LUNG on October 23, 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.*