# iDousyn vs MasterBusListen

The clearest difference is price: MasterBusListen at Free against iDousyn's $9.99. MasterBusListen also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 2 months). On ads and device support there is nothing between them.

MasterBusListen is free to download; iDousyn costs $9.99 up front. iDousyn sells 1 one-off in-app purchase. MasterBusListen asks for nothing beyond the download.

iDousyn ships an update every 2 months, MasterBusListen every 2 days. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | iDousyn | MasterBusListen |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.2 (159 ratings)](https://appshunter.io/ios/app/idousyn/id421852860/reviews)** | — |
| Number of ratings | **159** | — |
| Positive reviews | 29.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 1.2 GB | 27 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [Musique&Arcades Inc.](https://appshunter.io/developer/1876950300) |

## What reviewers say

### iDousyn

[App page](https://appshunter.io/ios/app/idousyn/id421852860)

This app transforms your device into a professional music production tool. It features a sample-based synthesizer with dual-layer sampling, advanced filters, and a professional effects chain. Create immersive sounds and build captivating tracks with an intuitive interface and extensive sound library.

**Highlights:** Dual-layer sampling, Advanced filters and EQ, Professional effects chain, Creative chord pads, MIDI mastery, Expansive sound library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | Free | one-time |


### MasterBusListen

[App page](https://appshunter.io/ios/app/masterbuslisten/id6759114345)

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

**In-app purchases:** none


## Frequently asked questions

### Is iDousyn free?

iDousyn costs $9.99, and also offers in-app purchases.

### Is MasterBusListen free?

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

### Do iDousyn or MasterBusListen have ads?

Neither iDousyn nor MasterBusListen shows ads.

### Which is updated more often, iDousyn or MasterBusListen?

iDousyn ships an update every 2 months, and MasterBusListen every 2 days. Most recently, iDousyn was updated on September 26, 2026 and MasterBusListen on September 21, 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.*