# 76477 Complex Sound Synth vs AMB

The clearest difference is review sentiment: AMB at 100% against 76477 Complex Sound Synth's 50%. AMB also leads on price (Free vs $2.99) and rating (4.3 vs 3.9). 76477 Complex Sound Synth's advantage is device support (3 vs 1) and ratings volume (9 vs 3). On ads and in-app purchases there is nothing between them.

AMB is free to download; 76477 Complex Sound Synth costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AMB holds the better App Store score, 4.3 against 3.9. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 50% of 76477 Complex Sound Synth's written reviews are positive against 100% of AMB's.

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

## The numbers

| Metric | 76477 Complex Sound Synth | AMB |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/76477-complex-sound-synth/id837866239/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/amb-r-synth/id1660589038/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 2 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Jan Strahlberg](https://appshunter.io/developer/1660589040) |

## 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


### AMB

[App page](https://appshunter.io/ios/app/amb-r-synth/id1660589038)

This mobile application offers a simplified approach to FM synthesis, allowing users to create a variety of sounds, from crystalline textures to sharp basslines, directly on their device. It's designed for on-the-go sound design and musical exploration.

**Highlights:** Simplified FM synthesis, Pocket-sized design, Sound shaping, Crystalline sound creation, Noisy texture generation, Sharp bassline creation

**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 AMB free?

AMB is free to download, with no in-app purchases.

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

AMB is rated higher. 76477 Complex Sound Synth averages 3.9 out of 5 from 9 ratings, while AMB averages 4.3 from 3 ratings.

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

Neither 76477 Complex Sound Synth nor AMB shows ads.

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

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