# APM Tool Lite vs Youlean Loudness Meter Lite

The clearest difference is in-app purchases: APM Tool Lite at none against Youlean Loudness Meter Lite's 3. APM Tool Lite also leads on iOS requirement (12.0 vs 16). Youlean Loudness Meter Lite's advantage is update cadence (every 6 weeks vs every 6 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Youlean Loudness Meter Lite sells 3 in-app purchases, starting at $9.99 per year. APM Tool Lite asks for nothing beyond the download.

APM Tool Lite ships an update every 6 months, Youlean Loudness Meter Lite every 6 weeks. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | APM Tool Lite | Youlean Loudness Meter Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (20 ratings)](https://appshunter.io/ios/app/youlean-loudness-meter-lite/id1565571860/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | **50.0% of reviews** | 47.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | **Free** | Freemium |
| Size | 87 MB | 4 MB |
| Requires iOS | **12.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lorenzo Rizzi](https://appshunter.io/developer/856070642) | [Julijan Nikolic](https://appshunter.io/developer/1565571862) |

## What reviewers say

### APM Tool Lite

[App page](https://appshunter.io/ios/app/apm-tool-lite/id891304617)

This application allows users to measure the acoustic performance of a room by analyzing key parameters like reverberation time and clarity. It includes a tutorial to guide users through its features, offering a simplified acoustic design activity.

**Highlights:** Measure acoustical performance, Analyze reverberation time, Evaluate clarity, Acoustic design activity, Tutorial slideshow

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

**In-app purchases:** none


### Youlean Loudness Meter Lite

[App page](https://appshunter.io/ios/app/youlean-loudness-meter-lite/id1565571860)

This app provides professional audio analysis tools, including LUFS, True Peak, Spectrum, and Vectorscope. It can be used as a standalone application or as an AUv3 plugin within other music production apps. Analyze audio from your device or stream it wirelessly from a desktop DAW.

**Highlights:** LUFS and True Peak analysis, Spectrum and Vectorscope graphs, Standalone app and AUv3 plugin, Wi-Fi audio streaming from desktop DAW, Record and export audio, Online streaming presets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $9.99 | per year |
| Lifetime Access | $17.99 | one-time |
| Lifetime Access Original | $29.99 | one-time |


## Frequently asked questions

### Is APM Tool Lite free?

APM Tool Lite is free to download, with no in-app purchases.

### Is Youlean Loudness Meter Lite free?

Youlean Loudness Meter Lite is free to download, with in-app purchases available.

### Do APM Tool Lite or Youlean Loudness Meter Lite have ads?

Neither APM Tool Lite nor Youlean Loudness Meter Lite shows ads.

### Which is updated more often, APM Tool Lite or Youlean Loudness Meter Lite?

APM Tool Lite ships an update every 6 months, and Youlean Loudness Meter Lite every 6 weeks. Most recently, APM Tool Lite was updated on October 10, 2026 and Youlean Loudness Meter Lite on October 24, 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.*