# Room Impulse Response vs Ruismaker FM

The clearest difference is review sentiment: Ruismaker FM at 83% against Room Impulse Response's 0%. Ruismaker FM also leads on price ($4.99 vs $49.99) and in-app purchases (none vs 1). On ads, monetization model and device support there is nothing between them.

Room Impulse Response costs $49.99 and Ruismaker FM $4.99 up front. Room Impulse Response sells 1 one-off in-app purchase. Ruismaker FM asks for nothing beyond the download.

Room Impulse Response ships an update every 5 months, Ruismaker FM every 5 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Room Impulse Response | Ruismaker FM |
| --- | --- | --- |
| Price | $49.99 | **$4.99** |
| Rating | — | **[5.0 (54 ratings)](https://appshunter.io/ios/app/ruismaker-fm/id1143644577/reviews)** |
| Number of ratings | — | **54** |
| Positive reviews | 0.0% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 56 MB | 8 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Bram Bos](https://appshunter.io/developer/325340444) |

## What reviewers say

### Room Impulse Response

[App page](https://appshunter.io/ios/app/room-impulse-response/id805907763)

Analyze the acoustic properties of rooms and loudspeakers. Record impulses or swept sines to generate Impulse Responses (IRs) and visualize various acoustic metrics like RT60, EDT, and clarity. Perform spectral analysis with FFT for detailed sound decay visualization.

**Highlights:** Record impulse or swept sine, Generate Impulse Response (IR), View ETC with RT60 cursors, Analyze Schroeder curve (EDT, T10, T20, T30), Spectral analysis with FFT, 3D waterfall plot for sound decay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reference Curves Option | $14.99 | one-time |


### Ruismaker FM

[App page](https://appshunter.io/ios/app/ruismaker-fm/id1143644577)

Design unique percussion sounds from scratch with a flexible synthesis engine. Create everything from traditional drums to unconventional effects. Offers a standalone Euclidean sequencer for pattern creation and export options.

**Highlights:** FM synthesis engine for percussion, Create custom drum sounds, Euclidean sequencer, AUv3 compatible, No samples used, MIDI CC controllable

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Room Impulse Response free?

Room Impulse Response costs $49.99, and also offers in-app purchases.

### Is Ruismaker FM free?

Ruismaker FM costs $4.99, with no in-app purchases.

### Do Room Impulse Response or Ruismaker FM have ads?

Neither Room Impulse Response nor Ruismaker FM shows ads.

### Which is updated more often, Room Impulse Response or Ruismaker FM?

Room Impulse Response ships an update every 5 months, and Ruismaker FM every 5 weeks. Most recently, Room Impulse Response was updated on November 1, 2026 and Ruismaker FM on November 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.*