# Theremin Synth vs Spectral Hold

The clearest difference is rating: Spectral Hold at 5.0 against Theremin Synth's 3.2. Spectral Hold also leads on price ($1.99 vs $2.99). Theremin Synth's advantage is ratings volume (6 vs 2) and iOS requirement (12.1 vs 17.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Theremin Synth costs $2.99 and Spectral Hold $1.99 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 3.2. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

## The numbers

| Metric | Theremin Synth | Spectral Hold |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/theremin-synth-record-and-loop/id1104816326/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spectral-hold/id6781717170/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | Paid |
| Size | 1 MB | 7 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Luke Phillips](https://appshunter.io/developer/1104816325) | [Callback Audio, LLC](https://appshunter.io/developer/1896220942) |

## What reviewers say

### Theremin Synth

[App page](https://appshunter.io/ios/app/theremin-synth-record-and-loop/id1104816326)

Create unique soundscapes with this multitouch synthesizer. Record, loop, and overdub your creations, then export them as WAV files to share. Experiment with various waveforms and effects for endless sonic possibilities.

**Highlights:** Multitouch synthesis, Record, loop, and overdub, Adjustable delay, feedback, and scuzz effects, Four waveform options, Export recordings as WAV files, Offline functionality

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Theremin Synth free?

Theremin Synth costs $2.99, with no in-app purchases.

### Is Spectral Hold free?

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

### Which has better reviews, Theremin Synth or Spectral Hold?

Spectral Hold is rated higher. Theremin Synth averages 3.2 out of 5 from 6 ratings, while Spectral Hold averages 5.0 from 2 ratings.

### Do Theremin Synth or Spectral Hold have ads?

Neither Theremin Synth nor Spectral Hold 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.*