# SpectraPad vs Additive Synth

The clearest difference is price: Additive Synth at $6.99 against SpectraPad's $9.99. Additive Synth also leads on ratings volume (4 vs 1) and device support (3 vs 1). On rating, update cadence, ads and in-app purchases there is nothing between them.

SpectraPad costs $9.99 and Additive Synth $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for SpectraPad against 5.0 for Additive Synth. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

SpectraPad ships an update every 5 days, Additive Synth every 8 days. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | SpectraPad | Additive Synth |
| --- | --- | --- |
| Price | $9.99 | **$6.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/spectrapad/id6815108042/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/additive-synth/id6820988551/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Paid | — |
| Size | 37 MB | 13 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Snorkel Audio, Inh. Michael Kaisser](https://appshunter.io/developer/808807889) |

## What reviewers say

### SpectraPad

[App page](https://appshunter.io/ios/app/spectrapad/id6815108042)

Create unique sonic textures and evolving soundscapes by manipulating harmonic structures. This app offers deep control over spectral synthesis, allowing for everything from warm pads to experimental atmospheres, with built-in arpeggiator and effects.

**Highlights:** Spectral sound generation, Detailed harmonic shaping, Harmonic Curve & Balance, Spectral Focus, Formant shaping, Extensive modulation, Built-in ARP and GATE sequencing

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

**In-app purchases:** none


### Additive Synth

[App page](https://appshunter.io/ios/app/additive-synth/id6820988551)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SpectraPad free?

SpectraPad costs $9.99, with no in-app purchases.

### Is Additive Synth free?

Additive Synth costs $6.99, with no in-app purchases.

### Which has better reviews, SpectraPad or Additive Synth?

SpectraPad and Additive Synth are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do SpectraPad or Additive Synth have ads?

Neither SpectraPad nor Additive Synth shows ads.

### Which is updated more often, SpectraPad or Additive Synth?

SpectraPad ships an update every 5 days, and Additive Synth every 8 days. Most recently, SpectraPad was updated on November 11, 2026 and Additive Synth on November 12, 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.*