# Sound Level Analyzer vs ProPi System Analyzer

The clearest difference is price: Sound Level Analyzer at $7.99 against ProPi System Analyzer's $19.99. ProPi System Analyzer's advantage is update cadence (every 5 days vs every 7 months) and iOS requirement (17.0 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Sound Level Analyzer costs $7.99 and ProPi System Analyzer $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sound Level Analyzer ships an update every 7 months, ProPi System Analyzer every 5 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sound Level Analyzer | ProPi System Analyzer |
| --- | --- | --- |
| Price | **$7.99** | $19.99 |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/sound-level-analyzer/id886109671/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 1 MB | 59 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Anh Viet Do](https://appshunter.io/developer/6811894471) |

## What reviewers say

### Sound Level Analyzer

[App page](https://appshunter.io/ios/app/sound-level-analyzer/id886109671)

This app measures sound levels and provides advanced frequency analysis tools. It's useful for various applications, from ambient noise checks to audio system testing and live event analysis. Features include real-time spectrum analysis and FFT capabilities.

**Highlights:** Sound level measurement (Leq, Min, Max, Avg), Frequency weighting (A, C, Z), Time weighting (Fast, Slow), Real-time frequency spectrum analyzer (RTA), FFT analysis, Calibration and measurement timer, Snapshot saving

**In-app purchases:** none


### ProPi System Analyzer

[App page](https://appshunter.io/ios/app/propi-system-analyzer/id6811894469)

**In-app purchases:** none


## Frequently asked questions

### Is Sound Level Analyzer free?

Sound Level Analyzer costs $7.99, with no in-app purchases.

### Is ProPi System Analyzer free?

ProPi System Analyzer costs $19.99, with no in-app purchases.

### Do Sound Level Analyzer or ProPi System Analyzer have ads?

Neither Sound Level Analyzer nor ProPi System Analyzer shows ads.

### Which is updated more often, Sound Level Analyzer or ProPi System Analyzer?

Sound Level Analyzer ships an update every 7 months, and ProPi System Analyzer every 5 days. Most recently, Sound Level Analyzer was updated on November 1, 2026 and ProPi System Analyzer on November 3, 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.*