# 055U4RY vs AD

The clearest difference is price: 055U4RY at $1.99 against AD's $6.99. 055U4RY also leads on rating (5.0 vs 4.7) and update cadence (every 6 days vs every 3 weeks). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

055U4RY costs $1.99 and AD $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

055U4RY holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 28 and 14 respectively. Written reviews point the same way: 100% of 055U4RY's written reviews are positive against 86% of AD's.

055U4RY ships an update every 6 days, AD every 3 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 055U4RY | AD |
| --- | --- | --- |
| Price | **$1.99** | $6.99 |
| Rating | **[5.0 (28 ratings)](https://appshunter.io/ios/app/055u4ry/id6789734684/reviews)** | [4.7 (14 ratings)](https://appshunter.io/ios/app/ad-202/id6795327427/reviews) |
| Number of ratings | **28** | 14 |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Paid | Paid |
| Best chart rank | **#47** | — |
| Size | 2 MB | 74 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [LASZLO DOBROVOLSZKI](https://appshunter.io/developer/6779159106) | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) |

## What reviewers say

### 055U4RY

[App page](https://appshunter.io/ios/app/055u4ry/id6789734684)

**Currently charting:** #47 Top Paid · Music (US App Store)

This app is a unique polyphonic synthesizer designed to evoke horror-themed soundscapes. It features a distinctive visual interface resembling a haunted DOS terminal with a skull motif, offering a variety of synthesis engines and effects for creating unsettling audio.

**Highlights:** 8-voice polyphonic synthesizer, 15 synthesis engines, Twin chaotic LFOs, Shepard-Risset layer, State-variable filter, Sample-rate reducer and bit-depth crusher, Real-time stutter buffer (GLTCH)

**Features:** Vision Pro support

**In-app purchases:** none


### AD

[App page](https://appshunter.io/ios/app/ad-202/id6795327427)

This app emulates a classic 1983 micro synthesizer with modern enhancements like MPE and eight-voice polyphony. It offers a rich sound engine with multiple oscillators, filters, and a comprehensive drive section for unique sonic textures. Enjoy extensive modulation options and a built-in keyboard for immediate creativity.

**Highlights:** Eight-voice polyphony, MPE support, Classic four-pole lowpass filter, Comprehensive drive section, AUv3 and standalone operation, Preset manager with favorites, Built-in chicklet keyboard

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 055U4RY free?

055U4RY costs $1.99, with no in-app purchases.

### Is AD free?

AD costs $6.99, with no in-app purchases.

### Which has better reviews, 055U4RY or AD?

055U4RY is rated higher. 055U4RY averages 5.0 out of 5 from 28 ratings, while AD averages 4.7 from 14 ratings.

### Do 055U4RY or AD have ads?

Neither 055U4RY nor AD shows ads.

### Which is updated more often, 055U4RY or AD?

055U4RY ships an update every 6 days, and AD every 3 weeks. Most recently, 055U4RY was updated on October 28, 2026 and AD on October 29, 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.*