# TB Spectrogram vs Pitch Drift

The clearest difference is monetization model: Pitch Drift at free against TB Spectrogram's paid. Pitch Drift also leads on review sentiment (88% vs 71%) and iOS requirement (11.0 vs 13.0). TB Spectrogram's advantage is update cadence (every 3 weeks vs every 11 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for TB Spectrogram against 4.6 for Pitch Drift. Both are backed by a comparable volume of ratings — 50 and 33 respectively. Written reviews are what separate them: 71% of TB Spectrogram's written reviews are positive against 88% of Pitch Drift's.

TB Spectrogram ships an update every 3 weeks, Pitch Drift every 11 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | TB Spectrogram | Pitch Drift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews) | **[4.6 (33 ratings)](https://appshunter.io/ios/app/pitch-drift-baby-audio/id1659406720/reviews)** |
| Number of ratings | **50** | 33 |
| Positive reviews | 71.0% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Paid | **Free** |
| Size | 15 MB | 11 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [Baby Audio Inc.](https://appshunter.io/developer/1674621630) |

## 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


### Pitch Drift

[App page](https://appshunter.io/ios/app/pitch-drift-baby-audio/id1659406720)

This audio effect plugin adds organic pitch fluctuations to your music, ranging from subtle natural variations to intense drifting. It helps break digital perfection and add richness to your tracks.

**Highlights:** Organic pitch fluctuations, Adjustable depth and speed, Inspired by acoustic instruments, Adds richness and dynamism, Works on sustained instruments or mix busses

**Features:** 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 Pitch Drift free?

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

### Which has better reviews, TB Spectrogram or Pitch Drift?

Pitch Drift is rated higher. TB Spectrogram averages 4.4 out of 5 from 50 ratings, while Pitch Drift averages 4.6 from 33 ratings.

### Do TB Spectrogram or Pitch Drift have ads?

Neither TB Spectrogram nor Pitch Drift shows ads.

### Which is updated more often, TB Spectrogram or Pitch Drift?

TB Spectrogram ships an update every 3 weeks, and Pitch Drift every 11 months. Most recently, TB Spectrogram was updated on November 3, 2026 and Pitch Drift on November 7, 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.*