# Sound Level Analyzer vs RotON

The clearest difference is price: RotON at Free against Sound Level Analyzer's $7.99. RotON also leads on update cadence (every 5 days vs every 7 months) and iOS requirement (17.6 vs 26.2). Sound Level Analyzer's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

RotON is free to download; Sound Level Analyzer costs $7.99 up front. RotON sells 1 one-off in-app purchase. Sound Level Analyzer asks for nothing beyond the download.

Sound Level Analyzer ships an update every 7 months, RotON every 5 days. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Sound Level Analyzer | RotON |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 1 MB | 8 MB |
| Requires iOS | 26.2 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [MUNEATSU G.K.](https://appshunter.io/developer/1534902759) |

## 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


### RotON

[App page](https://appshunter.io/ios/app/roton/id6754537065)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 拡張機能（プレミアム） | $1.99 | one-time |


## Frequently asked questions

### Is Sound Level Analyzer free?

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

### Is RotON free?

RotON is free to download, with in-app purchases available.

### Do Sound Level Analyzer or RotON have ads?

Neither Sound Level Analyzer nor RotON shows ads.

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

Sound Level Analyzer ships an update every 7 months, and RotON every 5 days. Most recently, Sound Level Analyzer was updated on September 18, 2026 and RotON on September 14, 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.*