# Kosmonaut — Spatial Delay Effect Plugin

> Multitap delay audio effect plugin with spatial and looping features. (iPhone/iPad app by Bram Bos.)

- Source: https://appshunter.io/ios/app/kosmonaut/id1351237773 (this page in markdown: same URL + `.md`)
- Developer: [Bram Bos](https://appshunter.io/developer/325340444)
- Category: Music
- Price: $3.99
- Rating: 4.80/5 from 68 App Store ratings · 16 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 4 MB
- Languages: American English
- Released: 2018-03-06
- Data updated: 2026-08-14
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/kosmonaut/id1351237773/reviews.md

## What is Kosmonaut?

*** Note: this is an Audio Unit Effect Plugin (AUv3) which requires a compatible host or DAW to work. ***

Kosmonaut is Multitap Delay with a twist. In addition to adding echoes to your audio, it packs a bunch of extra tools to put your music in space:

- Tape looper with with variable sound-on-sound decay level
- 4-Tap Delay (placed in series for complex feedback loops)
- LP/HP filters with LFO
- Autopanner
- Ambiance Generator
- Haas Effect Processor (aka 'wavefront precedence effect')

All features are demonstrated extensively in a ton of factory presets, and you can easily add your own user presets, which will automatically carry over across different host apps.

All variables are exposed as AU Parameters in hosts which support automation.

It also has a smart Random-feature, which may come up with usable results :-)

Check out ruismaker.com for the user manual and audio demos.

## Key features

- Tape looper with sound-on-sound decay
- 4-Tap Delay with complex feedback
- LP/HP filters with LFO
- Autopanner
- Ambiance Generator
- Haas Effect Processor
- User preset saving

## Recent user reviews (10 of 16)

All indexed reviews: https://appshunter.io/ios/app/kosmonaut/id1351237773/reviews.md

### 3/5 — I love delay & have many of them.  .      .          .                 .

*2026-03-25*

This one is decent… Not my fav. Good value but better options await.

### 5/5 — I love this effect

*2023-12-09*

I probably am not getting the full range of options from this app (I am using it on iPad Air in GarageBand, primarily as a guitar effect) but what I have gotten has been really cool. First, it never crashes on me. Second, this is the first app I’ve used that I can get controllable feedback from my guitar through the GarageBand app emulators via an effect. So many options, and I have only scratched the surface. Huge fan.

### 5/5 — Sick on guitar

*2023-11-18*

Was using this on synths a lot and tried it on guitar all this week. Really sounding great on the guitar. Quality app right here, thoroughly enjoying :)

### 5/5 — Usable and Well thought

*2023-06-06*

Extensively useful and well thought out

### 5/5 — Space

*2021-04-21, version 1.0.3*

Great tools on board. My favorite is Ambiance. I can’t wait an amazing Reverb from Bram Bos.

### 5/5 — Best Delay

*2020-06-08*

amazing quality, its ridiculous, nice presets and somo one of these feels like a reverb. So nice, highly recommended.

### 5/5 — Powerful delay

*2019-11-20, version 1.0.2*

Please add the option to either set or mute the dry signal, so it will be usable in a send track. Thanks!

### 5/5 — Simple elegant and deep

*2019-05-05*

Beam Bos is a master of creating incredibly useful, simple, and deep applications. Kosmonaut is a great example. 

The layout reads from left to right, with gain, first, followed by the looper system, below. The looper’s length control does not reflect its full range, which is currently only accessible via midi. 

There are four independent delays, each offering either tempo sync or millisecond time settings, level, pan, and feedback. The output section sports an auto-planner, a beautiful reverb, and a Haas processor. 

This elegant, simple, sophisticated delay system has become an integral part of my performance system. I use multiple instances, and they work beautifully.

### 4/5 — Great!... until you use the LFO

*2019-02-04*

Looks like there’s an AUv3 bug - turning on the LFO gives glitchy & unusable sounds

### 5/5 — Ruismaker apps are absolute best

*2018-12-11*

Just wanted to say thanks, and that on a 3rd gen IPad Pro, you are one of, or possibly the only developer that is good enough that all of your apps are FULLY functional, I’ve wasted like 200 bucks on apps that half/don’t work at all on new devices/ios12. You give me hope that I didn’t waste 1400 bucks on an IPad that I mainly got for mobile audio production. Moog pooped the bed, sugarbytes pooped the bed, and so did most others, there are few apps that are fully functional and don’t have audiobus zombie background use and 70% cpu usage. I seriously have to hard reset brand new IPad after attempting to use 30 dollar apps. 
   Thanks again keep it up, cuz you totally win at this point in the app game. You made higher paid devs look completely incompetent.

## Frequently asked questions about Kosmonaut

### What is Kosmonaut?

Kosmonaut is an Audio Unit Effect Plugin (AUv3) designed to add echoes and spatial effects to your audio. It requires a compatible host or DAW to function.

### What kind of effects does Kosmonaut offer?

Kosmonaut includes a tape looper, 4-tap delay, LP/HP filters with LFO, an autopanner, an ambiance generator, and a Haas Effect processor.

### Can I save my own sounds with Kosmonaut?

Yes, you can create and save your own user presets. These presets will automatically transfer between different host applications.

### What devices is Kosmonaut compatible with?

Kosmonaut is supported on iPhone, iPad, and iPod touch devices.

### How much does Kosmonaut cost?

Kosmonaut is a paid application, priced at $3.99.

### When was Kosmonaut last updated?

The latest version of Kosmonaut was released on December 23, 2020.

### What is the user rating for Kosmonaut?

Kosmonaut has a high user rating of 4.8 stars based on 66 ratings.

### Does Kosmonaut have a trial period?

As a paid application, Kosmonaut does not typically offer a trial period. The price is a one-time purchase of $3.99.

## Version history (last 4 releases)

### 1.0.3 — 2020-12-23

- Fixed problem with huge buffer sizes (1024+)
- Now supports global cross-host AUv3 presets

### 1.0.2 — 2018-03-15

- Fixed minor Autopan issue

### 1.0.1 — 2018-03-07

- Added mute switch in standalone mode (to avoid feedback)
- Added State Saving for Audiobus in standalone mode

### 1.0 — 2018-03-06

No release notes.

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## More apps by Bram Bos

- [Ruismaker](https://appshunter.io/ios/app/ruismaker/id1122156899)
- [Ruismaker FM](https://appshunter.io/ios/app/ruismaker-fm/id1143644577)
- [Phasemaker](https://appshunter.io/ios/app/phasemaker/id1161642832)
- [Troublemaker](https://appshunter.io/ios/app/troublemaker/id1180892130)
- [Ripplemaker](https://appshunter.io/ios/app/ripplemaker/id1207806723)
- [Rozeta Sequencer Suite](https://appshunter.io/ios/app/rozeta-sequencer-suite/id1292546479)

All apps by Bram Bos: https://appshunter.io/developer/325340444

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*