# RMS Calculator vs Live Audio Multi

The clearest difference is price: Live Audio Multi at Free against RMS Calculator's $1.99. Live Audio Multi also leads on update cadence (every 3 weeks vs every 15 months). RMS Calculator's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Live Audio Multi is free to download; RMS Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RMS Calculator ships an update every 15 months, Live Audio Multi every 3 weeks. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | RMS Calculator | Live Audio Multi |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/live-audio-multi-tool/id6809812526/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 8 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Bryan Hargrave](https://appshunter.io/developer/6806035529) |

## What reviewers say

### RMS Calculator

[App page](https://appshunter.io/ios/app/rms-calculator/id1511092361)

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

**In-app purchases:** none


### Live Audio Multi

[App page](https://appshunter.io/ios/app/live-audio-multi-tool/id6809812526)

This offline utility app provides live sound engineers and musicians with essential tools like an RTA, SPL meter, delay calculator, and signal generator. It offers advanced features for system setup and analysis, all within a clean, ad-free interface.

**Highlights:** Fractional-octave RTA with live peak readout, SPL meter with dB(A), dB(C), dB(Z) and Leq, Delay calculator with temperature/humidity compensation, Sub-array design for broadside and end-fire arrays, Signal generator with sine sweep and noise, Unit converters for temperature, distance, and pressure

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

**In-app purchases:** none


## Frequently asked questions

### Is RMS Calculator free?

RMS Calculator costs $1.99, with no in-app purchases.

### Is Live Audio Multi free?

Live Audio Multi is free to download, with no in-app purchases.

### Do RMS Calculator or Live Audio Multi have ads?

Neither RMS Calculator nor Live Audio Multi shows ads.

### Which is updated more often, RMS Calculator or Live Audio Multi?

RMS Calculator ships an update every 15 months, and Live Audio Multi every 3 weeks. Most recently, RMS Calculator was updated on October 27, 2026 and Live Audio Multi on October 29, 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.*