# APM Tool Lite vs PitchMonitor

The clearest difference is ads: APM Tool Lite at none against PitchMonitor's shown. APM Tool Lite also leads on monetization model (free vs ad-supported) and iOS requirement (12.0 vs 16.6). PitchMonitor's advantage is update cadence (every 10 days vs every 6 months). On price, 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.

APM Tool Lite ships an update every 6 months, PitchMonitor every 10 days. Both last shipped on September 1, 2026.

## The numbers

| Metric | APM Tool Lite | PitchMonitor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pitchmonitor-vocal-visual/id6751228637/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | **Free** | Ad-supported |
| Size | 87 MB | 92 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lorenzo Rizzi](https://appshunter.io/developer/856070642) | [Weijyun Jhou](https://appshunter.io/developer/1692467879) |

## 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


### PitchMonitor

[App page](https://appshunter.io/ios/app/pitchmonitor-vocal-visual/id6751228637)

Visualize your vocal pitch in real-time or by analyzing audio files. Compare your singing to reference tracks and see your exact deviation in cents. Ideal for singers, musicians, and coaches seeking precise feedback.

**Highlights:** Real-time pitch detection, Audio file analysis, Dual-track comparison, Live cents deviation meter, Adjustable frequency range, Distraction-free visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is APM Tool Lite free?

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

### Is PitchMonitor free?

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

### Do APM Tool Lite or PitchMonitor have ads?

PitchMonitor shows ads; APM Tool Lite does not.

### Which is updated more often, APM Tool Lite or PitchMonitor?

APM Tool Lite ships an update every 6 months, and PitchMonitor every 10 days. Most recently, APM Tool Lite was updated on September 1, 2026 and PitchMonitor on September 1, 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.*