---
title: "SPLnFFT Noise Meter — App Overview"
url: https://marlvel.ai/apps/3pt89q4sz4-splnfft
category: Utilities
developer: Fabien Lefebvre
platforms: ios
rating: 4.8 (58 ratings)
pricing: paid
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T05:43:15.349Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** SPLnFFT is a long-standing, standards-compliant utility for precise sound level monitoring and frequency analysis on mobile devices.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 4.8 ★ (58) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 7.1 |
| Developer | Fabien Lefebvre |

<!-- SECTION: Summary -->
## What is SPLnFFT Noise Meter?

SPLnFFT Noise Meter is a professional-grade sound measurement tool for iOS that provides real-time noise exposure monitoring and frequency analysis. It is notable for its compliance with ANSI S1.42 and ITU-R 468-4 standards, making it a recognized resource for occupational safety and hearing protection.

<!-- SECTION: Key Features -->
## Key Features

- **Advanced Measurement Suite**: Provides professional-grade metrics including Leq, peak, L10, L95, taktmaximal, and dosemetering.
- **Frequency Analysis**: Includes a frequency analyzer and frequency meter to identify specific noise sources.
- **Visual Exposure Alerts**: Features a simplified interface that uses color-coded indicators to warn users of potentially harmful noise levels.
- **Test Signal Generator**: Includes an integrated tool for generating test signals for acoustic calibration and testing.

<!-- SECTION: Target Audience -->
## Who is it for?

The app targets professional users requiring accurate acoustic measurements and individuals monitoring personal noise exposure levels.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/splnfft-noise-meter/id355396114?uo=2)
- [Full Intelligence Report](https://marlvel.ai/apps/3pt89q4sz4-splnfft)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/3pt89q4sz4-splnfft).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*