# Spectral Hold vs Microtonal Lab

The clearest difference is rating: Spectral Hold at 5.0 against Microtonal Lab's 1.0. Spectral Hold also leads on price ($1.99 vs $6.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Spectral Hold costs $1.99 and Microtonal Lab $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spectral Hold holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Spectral Hold | Microtonal Lab |
| --- | --- | --- |
| Price | **$1.99** | $6.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spectral-hold/id6781717170/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/microtonal-lab/id6786773427/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 90 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Callback Audio, LLC](https://appshunter.io/developer/1896220942) | [Martin Adler](https://appshunter.io/developer/1896354791) |

## What reviewers say

### Spectral Hold

[App page](https://appshunter.io/ios/app/spectral-hold/id6781717170)

This audio processor analyzes sound in real-time, allowing you to tilt the frequency spectrum or freeze a moment into a sustained drone. Shape your audio with adjustable gain and pivot frequencies.

**Highlights:** Spectral tilt EQ, Spectral freeze effect, Adjustable pivot frequency, Real-time audio analysis, Dry/wet mix control, Delay compensation

**Features:** Vision Pro support

**In-app purchases:** none


### Microtonal Lab

[App page](https://appshunter.io/ios/app/microtonal-lab/id6786773427)

Explore music beyond the traditional 12-note scale with this comprehensive microtonal studio. Create custom scales, play a microtonal keyboard, sequence patterns, and perform live with a launchpad. Export your creations as MIDI files for further production.

**Highlights:** Harmonic Galaxy visualizer, Microtonal keyboard with custom scales, 32-step sequencer with FX, Launchpad for live performance, Extensive world scale library, Multiple tuning systems support, MIDI export for DAWs

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

**In-app purchases:** none


## Frequently asked questions

### Is Spectral Hold free?

Spectral Hold costs $1.99, with no in-app purchases.

### Is Microtonal Lab free?

Microtonal Lab costs $6.99, with no in-app purchases.

### Which has better reviews, Spectral Hold or Microtonal Lab?

Spectral Hold is rated higher. Spectral Hold averages 5.0 out of 5 from 2 ratings, while Microtonal Lab averages 1.0 from 1 ratings.

### Do Spectral Hold or Microtonal Lab have ads?

Neither Spectral Hold nor Microtonal Lab shows ads.

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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.*