---
title: "055U4RY - Reviews, Revenue and Downloads in United Kingdom | Apple App Store"
description: "055U4RY (say it: "ossuary") is an 8-voice polyphonic synthesizer sealed inside a haunted DOS terminal — and, since 1.30, a second plug-in that turns the same machine loose on any audio you feed it. A "
---

# 055U4RY — United Kingdom
> OSSUARY: horror AUv3 synth

![055U4RY App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/d6/04/40/d604401d-8a01-685f-839f-b17290d4f786/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [LASZLO DOBROVOLSZKI](https://apptail.io/developer/laszlo-dobrovolszki-nEsnuc)
**Category:** Music
**Rating:** 5.0/5 (3 ratings)
**Price:** £5.99
**Bundle ID:** com.hejluxom.ossuary
**Store:** Apple App Store
**Country:** United Kingdom
**Version:** 1.666 (released 2026-10-14)
**Original Release:** 2026-07-16
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/gb/app/app/id6789734684)
**AppTail Page:** [https://apptail.io/app/055u4ry-RITA/united-kingdom](https://apptail.io/app/055u4ry-RITA/united-kingdom)

## 055U4RY Description
055U4RY (say it: "ossuary") is an 8-voice polyphonic synthesizer sealed inside a haunted DOS terminal — and, since 1.30, a second plug-in that turns the same machine loose on any audio you feed it. A photographic ASCII skull is the front panel: its jaw hinges open with the amplitude envelope, its eye sockets ignite with the output level, and the whole interface tears, melts and reassembles itself while you play.

THE VOICE
- 15 synthesis engines: detuned saw/square/triangle unison stacks, sine and sub-oscillators one and two octaves down, two-operator FM, ring modulation and inharmonic partials. Every factory preset is a different engine.
- Twin chaotic LFOs that cross-modulate each other's RATE, so pitch and filter drift never repeats. Held notes stay alive and slightly wrong.
- A Shepard-Risset layer tuned beneath every note: five windowed partials in an endless downward glissando - the bottomless-pit illusion of classic horror scoring, fused into the oscillator core.
- A 19 Hz infrasonic tremolo at the edge of perception. On headphones it is a shiver; on a big system it is pressure.

THE CHAIN
- State-variable filter, low-pass or band-pass per engine, with resonance that will scream
- Sample-rate reducer and bit-depth crusher for terminal-grade lo-fi
- Saturating drive stage
- GLTCH: a real-time stutter buffer that seizes and re-loops your signal
- CRYPT: a damped, pitch-black comb/allpass reverb
- GLIDE: exponential portamento up to 1.5 seconds
- DOOM: one macro that leans the chaos, the descent and the tremor deeper into the signal

PERFORM
- 14 knobs, all ASCII, every one audible on every preset
- 15 factory presets with per-preset patch memory: your tweaks persist for each preset, and [RESET] restores the factory sound
- Two-octave on-screen keyboard with octave transpose and note names
- Hardware MIDI in (all sources auto-connect), built-in Bluetooth MIDI pairing, pitch bend, MIDI 2.0 aware
- The skull is your meter: jaw = envelope, eyes = level, decay = how hard you push GLTCH

055U4RY FX - THE EFFECT
The same app installs a second, separate plug-in. Put it on a drum loop, a guitar, a vocal or a whole mix and run it through the machine:
- The full destruction chain as an insert - drive, bit crusher, sample-rate reducer, stutter, filter and the CRYPT reverb - in true stereo
- HAUNT: a cross-fed delay whose repeats rot as they decay, with MURK controlling how fast they turn to mud
- SYNC: stutters and echoes locked to your host's tempo, 1/16 through 1/1, or free-running
- DOOM as an injector: the endless Risset descent and the 19 Hz tremor printed underneath your audio, so anything you feed it gains a bottomless falling drone that was never in the source
- Fifteen presets sharing the instrument's names, each a different topology
- Wet/dry MIX, output trim, and a skull that reacts to whatever passes through

AUv3 + STANDALONE
The synth runs standalone with zero setup. Both plug-ins install into your host: AUM, Logic Pro, GarageBand, apeMatrix, WBTRK and any AUv3-compatible DAW, with full parameter automation - "hejluxom: 055U4RY" under instruments, "hejluxom: 055U4RY FX" under effects.

One purchase, every platform: iPhone, iPad and Mac. No accounts, no ads, no data collected - your patches never leave the device.

## 055U4RY Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/97/68/a1/9768a128-02ec-c2a4-867c-f79ef5a468fe/00-h4ll0w33n.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b0/41/97/b0419701-15dd-2523-4a91-be55e7a5a940/02-playing-alt.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/0e/e0/56/0ee056ae-cb7d-ee04-76fe-ec29487f3dd2/03-idle.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/15/35/21/1535211c-ff02-483c-a080-d789cc21d785/01-playing.png/1320x2868.png)

## 055U4RY Rating Breakdown in United Kingdom
- 5 stars: 3 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## 055U4RY Reviews in United Kingdom

### ***** "Truly a ‘horrific’ app!"
:) VERY clever idea, and is permanently on my desktop whenever I need to summon the forces of darkness for inspiration….
-- Hedgehogs R us, 2026-10-07

### ***** "Excellent noise machine!"
This app is totally in my wheel house. Use it as a sound generator or effect, standalone or inside AUM or other DAW as an AUV3 . If anyone remembers Giant Isopod… ? Not a million miles away. Gives everything from subtle drones to grinding hardcore industrial noise. I love it! Full disclosure, I was gifted a code for this, following a really helpful exchange I had with the dev about understanding a point on his equally excellent and innovative (dark) ambient semi-generative app MNTRP (totally my user error in that case, btw) but I really would have bought it anyway. In fact, the biggest issue this dev is going to have I think is that his quirky naming habit makes the apps very difficult to find on the store, even when you type the name direct into the search bar. A pity, because they are affordable, different and great fun. If you like experimental semi generative sound machines, check them out. Very Interested to see what this guy comes up with next!
-- Svetlovska, 2026-09-05

[View all 055U4RY reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)


## 055U4RY Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | United Kingdom | Music | #55 |
| Top Paid | Germany | Music | #83 |

## 055U4RY Discovered Keywords
- 055u4ry


## 055U4RY Available In
- [United States](https://apptail.io/app/055u4ry-RITA/united-states)
- [United Kingdom](https://apptail.io/app/055u4ry-RITA/united-kingdom)
- [Japan](https://apptail.io/app/055u4ry-RITA/japan)
- [Hungary](https://apptail.io/app/055u4ry-RITA/hungary)
- [Canada](https://apptail.io/app/055u4ry-RITA/canada)
- [New Zealand](https://apptail.io/app/055u4ry-RITA/new-zealand)
- [Romania](https://apptail.io/app/055u4ry-RITA/romania)
- [Russia](https://apptail.io/app/055u4ry-RITA/russia)
- [Türkiye](https://apptail.io/app/055u4ry-RITA/turkey)
- [Ukraine](https://apptail.io/app/055u4ry-RITA/ukraine)
- [Mauritius](https://apptail.io/app/055u4ry-RITA/mauritius)
- [Czechia](https://apptail.io/app/055u4ry-RITA/czechia)
- [Finland](https://apptail.io/app/055u4ry-RITA/finland)

---

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