# Audio / Spectrum Analyzer vs LOUDMETER

The clearest difference is in-app purchases: LOUDMETER at none against Audio / Spectrum Analyzer's 1. LOUDMETER also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Audio / Spectrum Analyzer sells 1 one-off in-app purchase. LOUDMETER asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Audio / Spectrum Analyzer | LOUDMETER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) | [OKAN CAM](https://appshunter.io/developer/6774996740) |

## What reviewers say

### Audio / Spectrum Analyzer

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574)

Analyze audio signals in real-time with waveform, amplitude spectrum, and spectrogram displays. Offers detailed customization for FFT size, window functions, and frequency weighting. Includes tools for generating basic waveforms and measurement signals.

**Highlights:** Simultaneous Waveform, Spectrum, Spectrogram display, Customizable FFT size and window functions, Frequency weighting (Flat, dBA, dBC), Octave analysis, Basic waveform and measurement signal generation, Peak hold and spectrum tilt

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Remove ads, High-Res analysis) | $11.99 | one-time |

**What reviewers like**

- 👍 Customizable features
- ⚙️ Accurate measurements
- 🚀 Helpful for troubleshooting
- 💡 Useful for ghost hunting

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔋 High battery and CPU usage
- 🚫 Inappropriate ads/content
- 🔒 Security concerns with payment info

**Reported bugs**

- Stuck on latest measurement
- White noise instead of expected functionality
- Disconnects AirPods

**Requested features**

- Sampling rate adjustment
- Wave shape tracking
- Audio file analysis
- Octave analysis


### LOUDMETER

[App page](https://appshunter.io/ios/app/loudmeter-lufs-meter/id6775558520)

**In-app purchases:** none


## Frequently asked questions

### Is Audio / Spectrum Analyzer free?

Audio / Spectrum Analyzer is free to download, with in-app purchases available.

### Is LOUDMETER free?

LOUDMETER is free to download, with no in-app purchases.

### Do Audio / Spectrum Analyzer or LOUDMETER have ads?

Audio / Spectrum Analyzer shows ads; LOUDMETER does not.

### Which is updated more often, Audio / Spectrum Analyzer or LOUDMETER?

Audio / Spectrum Analyzer ships an update every 2 weeks, and LOUDMETER every 2 weeks. Most recently, Audio / Spectrum Analyzer was updated on November 3, 2026 and LOUDMETER on October 31, 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.*