# Trapezoid vs AE975

The clearest difference is price: Trapezoid at $1.99 against AE975's $19.99. Trapezoid also leads on iOS requirement (10.0 vs 17.0). AE975's advantage is device support (4 vs 2). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Trapezoid costs $1.99 and AE975 $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Trapezoid against 5.0 for AE975. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Trapezoid | AE975 |
| --- | --- | --- |
| Price | **$1.99** | $19.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/trapezoid-pocket-dulcimer/id1069508662/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ae975/id6778279880/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Paid | Paid |
| Size | 46 MB | 12 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Eskin](https://appshunter.io/developer/342739369) | [Christian Thompson](https://appshunter.io/developer/1511795684) |

## What reviewers say

### Trapezoid

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

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


### AE975

[App page](https://appshunter.io/ios/app/ae975/id6778279880)

Enhance audio tracks with presence, articulation, and density using a parallel processing path. This AUv3 audio effect offers subtle polish and detailed control for mixing and mastering.

**Highlights:** Parallel processing with sidechain, Sound-shaping controls (Focus, Enhance, Texture, Saturation, Density), AUv3 compatibility for DAWs, Standalone companion host app, 92 categorized factory presets, iCloud preset sync, MIDI Learn for controller mapping

**In-app purchases:** none


## Frequently asked questions

### Is Trapezoid free?

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

### Is AE975 free?

AE975 costs $19.99, with no in-app purchases.

### Which has better reviews, Trapezoid or AE975?

Trapezoid and AE975 are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Trapezoid or AE975 have ads?

Neither Trapezoid nor AE975 shows ads.

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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.*