# FabFilter Twin 3 vs Musical Demon's Impulse

The clearest difference is price: Musical Demon's Impulse at Free against FabFilter Twin 3's $24.99. Musical Demon's Impulse also leads on update cadence (fortnightly vs every 19 months). FabFilter Twin 3's advantage is iOS requirement (14.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

Musical Demon's Impulse is free to download; FabFilter Twin 3 costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FabFilter Twin 3 ships an update every 19 months, Musical Demon's Impulse fortnightly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | FabFilter Twin 3 | Musical Demon's Impulse |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | **[4.6 (42 ratings)](https://appshunter.io/ios/app/fabfilter-twin-3/id1671810470/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 86.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 11 MB | 5 MB |
| Requires iOS | **14.0** | 17 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [FabFilter](https://appshunter.io/developer/421796789) | [Steve Chavez](https://appshunter.io/developer/1886657377) |

## What reviewers say

### FabFilter Twin 3

[App page](https://appshunter.io/ios/app/fabfilter-twin-3/id1671810470)

This powerful virtual analog synthesizer offers a vast array of sound-shaping tools, including multiple oscillators, filters, and a comprehensive modulation system. Create a wide range of synth sounds with an intuitive interface and a rich factory preset library.

**Highlights:** Four flexible oscillators, Four vintage-style filters, Extensive modulation system, All-new FX section, Arpeggiator with groove controls, Full-featured preset browser, Analog-modelled drift

**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 FabFilter Twin 3 free?

FabFilter Twin 3 costs $24.99, 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 FabFilter Twin 3 or Musical Demon's Impulse have ads?

Neither FabFilter Twin 3 nor Musical Demon's Impulse shows ads.

### Which is updated more often, FabFilter Twin 3 or Musical Demon's Impulse?

FabFilter Twin 3 ships an update every 19 months, and Musical Demon's Impulse fortnightly. Most recently, FabFilter Twin 3 was updated on October 27, 2026 and Musical Demon's Impulse on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*