# Dexed Synth vs Musical Demon's Impulse

The clearest difference is price: Musical Demon's Impulse at Free against Dexed Synth's $3.99. Musical Demon's Impulse also leads on update cadence (fortnightly vs every 2 months). Dexed Synth's advantage is iOS requirement (15.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

Musical Demon's Impulse is free to download; Dexed Synth costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dexed Synth ships an update every 2 months, Musical Demon's Impulse fortnightly. The most recent releases landed on September 23, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Dexed Synth | Musical Demon's Impulse |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.3 (40 ratings)](https://appshunter.io/ios/app/dexed-synth/id1462551596/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 29.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 105 MB | 5 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [George Rosar](https://appshunter.io/developer/1462550889) | [Steve Chavez](https://appshunter.io/developer/1886657377) |

## What reviewers say

### Dexed Synth

[App page](https://appshunter.io/ios/app/dexed-synth/id1462551596)

This app brings a powerful FM synthesizer to your mobile device, offering a vast library of sounds. It integrates with popular DAWs and supports external MIDI controllers for enhanced control and performance.

**Highlights:** FM Synthesizer port, Over 20,000 cartridges with 32 patches each, AudioUnit AUv3 plugin support, MIDI controller input via USB, Lock scroll and parameter locking, MIDI CC mapping

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

**In-app purchases:** none


### Musical Demon's Impulse

[App page](https://appshunter.io/ios/app/musical-demons-impulse/id6761221921)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dexed Synth free?

Dexed Synth costs $3.99, with no in-app purchases.

### Is Musical Demon's Impulse free?

Musical Demon's Impulse is free to download, with no in-app purchases.

### Do Dexed Synth or Musical Demon's Impulse have ads?

Neither Dexed Synth nor Musical Demon's Impulse shows ads.

### Which is updated more often, Dexed Synth or Musical Demon's Impulse?

Dexed Synth ships an update every 2 months, and Musical Demon's Impulse fortnightly. Most recently, Dexed Synth was updated on September 23, 2026 and Musical Demon's Impulse on September 2, 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.*