# TB Spectrogram vs Spek Spectrogram analyzer

The clearest difference is rating: Spek Spectrogram analyzer at 5.0 against TB Spectrogram's 4.4. Spek Spectrogram analyzer also leads on monetization model (free vs paid) and update cadence (every 10 days vs every 3 weeks). TB Spectrogram's advantage is ratings volume (50 vs 1) and iOS requirement (13.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spek Spectrogram analyzer holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: TB Spectrogram has 50 ratings behind it against 1, so its average is the more settled of the two.

TB Spectrogram ships an update every 3 weeks, Spek Spectrogram analyzer every 10 days. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | TB Spectrogram | Spek Spectrogram analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spek-spectrogram-analyzer/id6778501151/reviews)** |
| Number of ratings | **50** | 1 |
| Positive reviews | 71.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 15 MB | 45 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [Pratik Zinzala](https://appshunter.io/developer/1866618369) |

## What reviewers say

### TB Spectrogram

[App page](https://appshunter.io/ios/app/tb-spectrogram/id1530170842)

This app provides real-time audio analysis with a spectrogram, spectrum analyzer, and goniometer. It can be used as a standalone application or as an AUv3 plugin within compatible music production hosts. Visualize your audio in detail with adjustable settings and multiple display options.

**Highlights:** Real-time spectrogram and spectrum analysis, Goniometer for stereo signal analysis, AUv3 plugin compatibility, Adjustable frequency and time resolution, Customizable color themes, On-screen piano keyboard mapping

**Features:** Vision Pro support

**In-app purchases:** none


### 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 TB Spectrogram free?

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

### Is Spek Spectrogram analyzer free?

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

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

Spek Spectrogram analyzer is rated higher. TB Spectrogram averages 4.4 out of 5 from 50 ratings, while Spek Spectrogram analyzer averages 5.0 from 1 ratings.

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

Neither TB Spectrogram nor Spek Spectrogram analyzer shows ads.

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

TB Spectrogram ships an update every 3 weeks, and Spek Spectrogram analyzer every 10 days. Most recently, TB Spectrogram was updated on September 27, 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.*