# 76477 Complex Sound Synth vs Gliss

The clearest difference is price: Gliss at Free against 76477 Complex Sound Synth's $2.99. Gliss also leads on update cadence (every 5 weeks vs every 3 months). 76477 Complex Sound Synth's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

Gliss is free to download; 76477 Complex Sound Synth costs $2.99 up front. Gliss sells 2 one-off in-app purchases. 76477 Complex Sound Synth asks for nothing beyond the download.

76477 Complex Sound Synth ships an update every 3 months, Gliss every 5 weeks. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 76477 Complex Sound Synth | Gliss |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/76477-complex-sound-synth/id837866239/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 4 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Thinkspark](https://appshunter.io/developer/1047724192) |

## 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


### Gliss

[App page](https://appshunter.io/ios/app/gliss-ribbon-synth/id6811004834)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GLISS STUDIO | $12.99 | one-time |
| GLISS PRO | $12.99 | one-time |


## Frequently asked questions

### Is 76477 Complex Sound Synth free?

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

### Is Gliss free?

Gliss is free to download, with in-app purchases available.

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

Neither 76477 Complex Sound Synth nor Gliss shows ads.

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

76477 Complex Sound Synth ships an update every 3 months, and Gliss every 5 weeks. Most recently, 76477 Complex Sound Synth was updated on October 23, 2026 and Gliss on October 31, 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.*