# 055U4RY vs FIELD KIT Playback Engine

The clearest difference is rating: 055U4RY at 4.9 against FIELD KIT Playback Engine's 4.5. 055U4RY also leads on review sentiment (100% vs 80%) and price ($6.99 vs $9.99). FIELD KIT Playback Engine's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases, monetization model and chart position there is nothing between them.

055U4RY costs $6.99 and FIELD KIT Playback Engine $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

055U4RY holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews point the same way: 100% of 055U4RY's written reviews are positive against 80% of FIELD KIT Playback Engine's.

055U4RY ships an update every 5 days, FIELD KIT Playback Engine every 2 weeks. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 055U4RY | FIELD KIT Playback Engine |
| --- | --- | --- |
| Price | **$6.99** | $9.99 |
| Rating | **[4.9 (13 ratings)](https://appshunter.io/ios/app/055u4ry/id6789734684/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/field-kit-playback-engine/id6810484807/reviews) |
| Number of ratings | **13** | 4 |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Paid | Paid |
| Best chart rank | #146 | **#53** |
| Size | 2 MB | 12 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [LASZLO DOBROVOLSZKI](https://appshunter.io/developer/6779159106) | [Field Tone Audio, LLC](https://appshunter.io/developer/1891479237) |

## What reviewers say

### 055U4RY

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

**Currently charting:** #146 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


### FIELD KIT Playback Engine

[App page](https://appshunter.io/ios/app/field-kit-playback-engine/id6810484807)

**Currently charting:** #53 Top Paid · Music (US App Store)

Transform audio recordings into evolving textures, rhythms, and atmospheres. Create up to four independent playback windows with customizable speed, direction, and effects. Explore new sonic material from your recordings.

**Highlights:** Up to four independent playback windows, Variable playback speed and direction, Drive and filtering per window, Routable modulation sources, Save and recall .fieldkit files, Standalone app and AUv3 Audio Unit

**In-app purchases:** none


## Frequently asked questions

### Is 055U4RY free?

055U4RY costs $6.99, with no in-app purchases.

### Is FIELD KIT Playback Engine free?

FIELD KIT Playback Engine costs $9.99, with no in-app purchases.

### Which has better reviews, 055U4RY or FIELD KIT Playback Engine?

055U4RY is rated higher. 055U4RY averages 4.9 out of 5 from 13 ratings, while FIELD KIT Playback Engine averages 4.5 from 4 ratings.

### Do 055U4RY or FIELD KIT Playback Engine have ads?

Neither 055U4RY nor FIELD KIT Playback Engine shows ads.

### Which is updated more often, 055U4RY or FIELD KIT Playback Engine?

055U4RY ships an update every 5 days, and FIELD KIT Playback Engine every 2 weeks. Most recently, 055U4RY was updated on October 14, 2026 and FIELD KIT Playback Engine on October 5, 2026.

### Which is more popular, 055U4RY or FIELD KIT Playback Engine?

055U4RY currently peaks at #146 in the App Store charts, and FIELD KIT Playback Engine at #53. Chart position reflects recent download velocity rather than total install base.

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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.*