# AMB vs LDX DSP

The clearest difference is rating: LDX DSP at 5.0 against AMB's 4.3. LDX DSP also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). AMB's advantage is update cadence (every 3 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LDX DSP holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 8 respectively.

AMB ships an update every 3 weeks, LDX DSP every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | AMB | LDX DSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/amb-r-synth/id1660589038/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ldx-dsp/id6754688403/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 2 MB | 78 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jan Strahlberg](https://appshunter.io/developer/1660589040) | [STETSOM ELETRÔNICA LTDA](https://appshunter.io/developer/1110480569) |

## What reviewers say

### 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


### LDX DSP

[App page](https://appshunter.io/ios/app/ldx-dsp/id6754688403)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AMB free?

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

### Is LDX DSP free?

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

### Which has better reviews, AMB or LDX DSP?

LDX DSP is rated higher. AMB averages 4.3 out of 5 from 3 ratings, while LDX DSP averages 5.0 from 8 ratings.

### Do AMB or LDX DSP have ads?

Neither AMB nor LDX DSP shows ads.

### Which is updated more often, AMB or LDX DSP?

AMB ships an update every 3 weeks, and LDX DSP every 4 months. Most recently, AMB was updated on October 24, 2026 and LDX DSP 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.*