# 76477 Complex Sound Synth vs S

The clearest difference is rating: 76477 Complex Sound Synth at 3.9 against S's 2.6. 76477 Complex Sound Synth also leads on review sentiment (50% vs 31%) and update cadence (every 3 months vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

76477 Complex Sound Synth costs $2.99 and S $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

76477 Complex Sound Synth holds the better App Store score, 3.9 against 2.6. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews point the same way: 50% of 76477 Complex Sound Synth's written reviews are positive against 31% of S's.

76477 Complex Sound Synth ships an update every 3 months, S every 7 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 76477 Complex Sound Synth | S |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/76477-complex-sound-synth/id837866239/reviews)** | [2.6 (11 ratings)](https://appshunter.io/ios/app/s-modular/id1291071549/reviews) |
| Number of ratings | 9 | **11** |
| Positive reviews | **50.0% of reviews** | 31.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 4 MB | 7 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Paul Betowski](https://appshunter.io/developer/538476580) |

## What reviewers say

### 76477 Complex Sound Synth

[App page](https://appshunter.io/ios/app/76477-complex-sound-synth/id837866239)

Create complex sound effects and music with a powerful synthesizer inspired by vintage hardware. Offers extensive modulation, noise generation, and customizable envelopes. Easily share your creations and control it with MIDI devices.

**Highlights:** Three oscillators with multiple wave types, Modulation capabilities for oscillators, Adjustable noise generator with filter, Configurable ADSR envelope, Unlimited sound effect generator boards, MIDI input support, Export/import sound effect boards

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

**In-app purchases:** none


### S

[App page](https://appshunter.io/ios/app/s-modular/id1291071549)

This semi-modular synthesizer app for iPad offers a hands-on sound design experience with a single-screen interface for intuitive patching. It delivers a warm, vintage sound inspired by 1970s synthesizers, featuring dual oscillators, resonant filters, and multiple modulation sources.

**Highlights:** Single-screen interface, Fast, hands-on patching, Vintage 1970s synth sound, Dual oscillators, Resonant ladder filter, Multiple modulation sources

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 76477 Complex Sound Synth free?

76477 Complex Sound Synth costs $2.99, with no in-app purchases.

### Is S free?

S costs $2.99, with no in-app purchases.

### Which has better reviews, 76477 Complex Sound Synth or S?

76477 Complex Sound Synth is rated higher. 76477 Complex Sound Synth averages 3.9 out of 5 from 9 ratings, while S averages 2.6 from 11 ratings.

### Do 76477 Complex Sound Synth or S have ads?

Neither 76477 Complex Sound Synth nor S shows ads.

### Which is updated more often, 76477 Complex Sound Synth or S?

76477 Complex Sound Synth ships an update every 3 months, and S every 7 months. Most recently, 76477 Complex Sound Synth was updated on October 23, 2026 and S on October 24, 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.*