# Spectrojam vs Spek Spectrogram analyzer

The clearest difference is rating: Spek Spectrogram analyzer at 5.0 against Spectrojam's 3.9. Spek Spectrogram analyzer also leads on in-app purchases (none vs 1) and update cadence (every 10 days vs every 3 months). Spectrojam's advantage is ratings volume (25 vs 2) and iOS requirement (15.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Spectrojam 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 3.9. That said, the two scores are not equally well evidenced: Spectrojam has 25 ratings behind it against 2, so its average is the more settled of the two.

Spectrojam ships an update every 3 months, Spek Spectrogram analyzer every 10 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Spectrojam | Spek Spectrogram analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (25 ratings)](https://appshunter.io/ios/app/spectrojam/id1302916204/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spek-spectrogram-analyzer/id6778501151/reviews)** |
| Number of ratings | **25** | 2 |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 67 MB | 45 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nonsequential Time Labs](https://appshunter.io/developer/1294961478) | [Pratik Zinzala](https://appshunter.io/developer/1866618369) |

## What reviewers say

### Spectrojam

[App page](https://appshunter.io/ios/app/spectrojam/id1302916204)

This app transforms sounds from your microphone into dynamic colors and shapes on your screen. It visualizes the frequency composition of everyday noises and musical tunes, allowing you to see sound signatures and even translate them into musical notes.

**Highlights:** Real-time sound to color/shape visualization, Musical note display for pitch accuracy, Chord and harmony analysis, Adjustable gain for volume control, High-resolution premium visualizer, Color modulation effects

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | 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 Spectrojam free?

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

### Is Spek Spectrogram analyzer free?

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

### Which has better reviews, Spectrojam or Spek Spectrogram analyzer?

Spek Spectrogram analyzer is rated higher. Spectrojam averages 3.9 out of 5 from 25 ratings, while Spek Spectrogram analyzer averages 5.0 from 2 ratings.

### Do Spectrojam or Spek Spectrogram analyzer have ads?

Neither Spectrojam nor Spek Spectrogram analyzer shows ads.

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

Spectrojam ships an update every 3 months, and Spek Spectrogram analyzer every 10 days. Most recently, Spectrojam was updated on November 2, 2026 and Spek Spectrogram analyzer 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.*