# LARSA Analyzer vs Spek Spectrogram analyzer

The clearest difference is price: Spek Spectrogram analyzer at Free against LARSA Analyzer's $29.99. Spek Spectrogram analyzer also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 1). LARSA Analyzer's advantage is ratings volume (3 vs 1) and iOS requirement (15.0 vs 18.2). On ads and device support there is nothing between them.

Spek Spectrogram analyzer is free to download; LARSA Analyzer costs $29.99 up front. LARSA Analyzer sells 1 one-off in-app purchase. Spek Spectrogram analyzer asks for nothing beyond the download.

Spek Spectrogram analyzer holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

LARSA Analyzer ships an update every 6 months, Spek Spectrogram analyzer every 10 days. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | LARSA Analyzer | Spek Spectrogram analyzer |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/larsa-analyzer/id943103573/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spek-spectrogram-analyzer/id6778501151/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 48 MB | 45 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Pratik Zinzala](https://appshunter.io/developer/1866618369) |

## What reviewers say

### LARSA Analyzer

[App page](https://appshunter.io/ios/app/larsa-analyzer/id943103573)

This tool measures and analyzes impulse responses for audio systems like loudspeakers and home theaters. It helps you tune your audio setup for optimal performance in any listening environment, bringing professional-level analysis to your mobile device.

**Highlights:** Impulse response measurement, IR averaging, IR windowing, Energy Time Curves, Delay time calculation, Save and recall measurements, iCloud support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filter Design Option | $9.99 | one-time |


### Spek Spectrogram analyzer

[App page](https://appshunter.io/ios/app/spek-spectrogram-analyzer/id6778501151)

Visualize audio frequencies with detailed spectrograms. Inspect audio quality, identify compression artifacts, and analyze sound changes over time. Process audio locally for enhanced privacy and security.

**Highlights:** Detailed spectrogram visualization, Frequency and artifact analysis, Audio quality evaluation, Real-time microphone input, Integrated audio player, Customizable analysis settings, Pinch-to-zoom navigation

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

**In-app purchases:** none


## Frequently asked questions

### Is LARSA Analyzer free?

LARSA Analyzer costs $29.99, and also offers in-app purchases.

### Is Spek Spectrogram analyzer free?

Spek Spectrogram analyzer is free to download, with no in-app purchases.

### Which has better reviews, LARSA Analyzer or Spek Spectrogram analyzer?

Spek Spectrogram analyzer is rated higher. LARSA Analyzer averages 4.3 out of 5 from 3 ratings, while Spek Spectrogram analyzer averages 5.0 from 1 ratings.

### Do LARSA Analyzer or Spek Spectrogram analyzer have ads?

Neither LARSA Analyzer nor Spek Spectrogram analyzer shows ads.

### Which is updated more often, LARSA Analyzer or Spek Spectrogram analyzer?

LARSA Analyzer ships an update every 6 months, and Spek Spectrogram analyzer every 10 days. Most recently, LARSA Analyzer was updated on September 23, 2026 and Spek Spectrogram analyzer on September 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.*