# Trapezoid vs NightShine AUv3 Compressor

The clearest difference is rating: Trapezoid at 5.0 against NightShine AUv3 Compressor's 3.3. Trapezoid also leads on update cadence (every 9 days vs every 3 months) and price ($1.99 vs $4.99). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Trapezoid costs $1.99 and NightShine AUv3 Compressor $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trapezoid holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Trapezoid ships an update every 9 days, NightShine AUv3 Compressor every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Trapezoid | NightShine AUv3 Compressor |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trapezoid-pocket-dulcimer/id1069508662/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/nightshine-auv3-compressor/id6746288283/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Paid | Paid |
| Best chart rank | **#191** | — |
| Size | 46 MB | 14 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Eskin](https://appshunter.io/developer/342739369) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### Trapezoid

[App page](https://appshunter.io/ios/app/trapezoid-pocket-dulcimer/id1069508662)

**Currently charting:** #191 Top Paid · Music (US App Store)

This virtual instrument accurately simulates the sound and playability of a hammered dulcimer. It offers multiple tuning options, drag roll effects, and MIDI compatibility for a realistic musical experience. Designed for both beginners and experienced players, it fits right in your pocket.

**Highlights:** Authentic hammered dulcimer sound, Standard and Michigan tunings, Drag roll effects, MIDI keyboard compatibility, Velocity sensitive MIDI input, Note name display

**Features:** Vision Pro support

**In-app purchases:** none


### NightShine AUv3 Compressor

[App page](https://appshunter.io/ios/app/nightshine-auv3-compressor/id6746288283)

This professional audio effect emulates the classic Alesis 3630 hardware compressor. It offers authentic analog modeling with advanced oversampling for pristine sound quality and musical compression. Features include dual detection modes, variable knee processing, and precise control over dynamics.

**Highlights:** Alesis 3630 hardware emulation, 16x oversampling for pristine audio, Dual Peak/RMS detection modes, Advanced knee processing with variable width, Authentic analog-style waveshaping, Brickwall limiter and auto makeup gain, 16 professional presets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trapezoid free?

Trapezoid costs $1.99, with no in-app purchases.

### Is NightShine AUv3 Compressor free?

NightShine AUv3 Compressor costs $4.99, with no in-app purchases.

### Which has better reviews, Trapezoid or NightShine AUv3 Compressor?

Trapezoid is rated higher. Trapezoid averages 5.0 out of 5 from 2 ratings, while NightShine AUv3 Compressor averages 3.3 from 3 ratings.

### Do Trapezoid or NightShine AUv3 Compressor have ads?

Neither Trapezoid nor NightShine AUv3 Compressor shows ads.

### Which is updated more often, Trapezoid or NightShine AUv3 Compressor?

Trapezoid ships an update every 9 days, and NightShine AUv3 Compressor every 3 months. Most recently, Trapezoid was updated on October 24, 2026 and NightShine AUv3 Compressor on October 24, 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.*