# RT60 vs APM Tool Lite

The clearest difference is price: APM Tool Lite at Free against RT60's $34.99. APM Tool Lite also leads on iOS requirement (12.0 vs 15.0). RT60's advantage is review sentiment (67% vs 50%). On update cadence, ads, in-app purchases and device support there is nothing between them.

APM Tool Lite is free to download; RT60 costs $34.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | RT60 | APM Tool Lite |
| --- | --- | --- |
| Price | $34.99 | **Free** |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/rt60/id298840320/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Paid | **Free** |
| Size | 27 MB | 87 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Lorenzo Rizzi](https://appshunter.io/developer/856070642) |

## What reviewers say

### RT60

[App page](https://appshunter.io/ios/app/rt60/id298840320)

This tool measures reverb decay time across octave bands using pink noise. It conforms to ISO 3382 standards for room acoustics and can display results from 50ms to 4 seconds. Save measurement graphs for reports.

**Highlights:** Measures reverb decay time, Octave band analysis (63Hz - 4kHz), Conforms to ISO 3382 standard, T20 and T30 measurement methods, Adjustable decay time range (50ms - 4s), Save measurement graphs, Microphone calibration

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RT60 free?

RT60 costs $34.99, with no in-app purchases.

### Is APM Tool Lite free?

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

### Do RT60 or APM Tool Lite have ads?

Neither RT60 nor APM Tool Lite shows ads.

### Which is updated more often, RT60 or APM Tool Lite?

RT60 ships an update every 6 months, and APM Tool Lite every 6 months. Most recently, RT60 was updated on September 21, 2026 and APM Tool Lite on September 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.*