# Level gauge vs 誰在亂搞？

The clearest difference is in-app purchases: Level gauge at none against 誰在亂搞？'s 2. 誰在亂搞？'s advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 誰在亂搞？ sells 2 in-app purchases, starting at $14.99 per year. Level gauge asks for nothing beyond the download.

Level gauge ships an update every 9 months, 誰在亂搞？ every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Level gauge | 誰在亂搞？ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/level-gauge/id558393386/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 93.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 16 MB | 45 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tatsuki](https://appshunter.io/developer/558393529) | [SZU-CHOU PENG](https://appshunter.io/developer/6774019431) |

## What reviewers say

### Level gauge

[App page](https://appshunter.io/ios/app/level-gauge/id558393386)

This intuitive tool allows you to measure angles and levels in multiple orientations. It offers high precision with smooth movement and includes calibration and hold functions for stable readings. Customize its appearance while enjoying its powerful yet simple design.

**Highlights:** Measure horizontal, vertical, and flat angles, High precision measurements, Smooth and stable readings, Calibration function, Hold function, Customizable appearance

**Features:** Vision Pro support

**In-app purchases:** none


### 誰在亂搞？

[App page](https://appshunter.io/ios/app/id6774019429)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF證據包年訂閱 | $14.99 | per year |
| PDF證據包 | $5.99 | one-time |


## Frequently asked questions

### Is Level gauge free?

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

### Is 誰在亂搞？ free?

誰在亂搞？ is free to download, with in-app purchases available.

### Do Level gauge or 誰在亂搞？ have ads?

Level gauge shows ads; 誰在亂搞？ does not.

### Which is updated more often, Level gauge or 誰在亂搞？?

Level gauge ships an update every 9 months, and 誰在亂搞？ every 2 weeks. Most recently, Level gauge was updated on October 23, 2026 and 誰在亂搞？ on October 24, 2026.

---

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