# Combo Organ Model V vs Trapezoid

The clearest difference is review sentiment: Trapezoid at 100% against Combo Organ Model V's 58%. Trapezoid also leads on rating (5.0 vs 4.4) and update cadence (every 9 days vs every 4 months). Combo Organ Model V's advantage is ratings volume (18 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

Combo Organ Model V costs $3.99 and Trapezoid $1.99 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 4.4. That said, the two scores are not equally well evidenced: Combo Organ Model V has 18 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 58% of Combo Organ Model V's written reviews are positive against 100% of Trapezoid's.

Combo Organ Model V ships an update every 4 months, Trapezoid every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Combo Organ Model V | Trapezoid |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [4.4 (18 ratings)](https://appshunter.io/ios/app/combo-organ-model-v/id916506646/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trapezoid-pocket-dulcimer/id1069508662/reviews)** |
| Number of ratings | **18** | 2 |
| Positive reviews | 57.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#191** |
| Size | 31 MB | 46 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [insideout ltd.](https://appshunter.io/developer/315046293) | [Michael Eskin](https://appshunter.io/developer/342739369) |

## What reviewers say

### Combo Organ Model V

[App page](https://appshunter.io/ios/app/combo-organ-model-v/id916506646)

Experience the authentic sound of 60s transistor organs, famously used in psychedelic rock. This app offers a realistic sound engine with multiple instrument tones and built-in effects like reverb and vibrato. It's compatible with various audio routing technologies for seamless integration into your music production workflow.

**Highlights:** Realistic 60s transistor organ sound, Multiple instrument tones (Flute, Bright, Brass, Mellow), Built-in spring reverb effect, Adjustable vibrato effect, Audiobus 3 & Audio Unit compatible, Core MIDI and MIDI over Bluetooth LE compatible, Scrollable and dual keyboard options

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Combo Organ Model V free?

Combo Organ Model V costs $3.99, with no in-app purchases.

### Is Trapezoid free?

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

### Which has better reviews, Combo Organ Model V or Trapezoid?

Trapezoid is rated higher. Combo Organ Model V averages 4.4 out of 5 from 18 ratings, while Trapezoid averages 5.0 from 2 ratings.

### Do Combo Organ Model V or Trapezoid have ads?

Neither Combo Organ Model V nor Trapezoid shows ads.

### Which is updated more often, Combo Organ Model V or Trapezoid?

Combo Organ Model V ships an update every 4 months, and Trapezoid every 9 days. Most recently, Combo Organ Model V was updated on October 24, 2026 and Trapezoid 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.*