# Set Theory Calculator vs Contrapunctus

The clearest difference is device support: Contrapunctus at 3 against Set Theory Calculator's 1. Contrapunctus also leads on iOS requirement (15.0 vs 26.0). Set Theory Calculator's advantage is price ($3.99 vs $4.99). On rating, review sentiment, ratings volume and ads there is nothing between them.

Set Theory Calculator costs $3.99 and Contrapunctus $4.99 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 Set Theory Calculator against 5.0 for Contrapunctus. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Set Theory Calculator | Contrapunctus |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/set-theory-calculator/id791334943/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/contrapunctus-second-voice/id6795214128/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Paid | Paid |
| Size | 8 MB | 3 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [L Tomlin](https://appshunter.io/developer/791334946) | [EVAN TRACEN POWERS](https://appshunter.io/developer/6788864324) |

## What reviewers say

### Set Theory Calculator

[App page](https://appshunter.io/ios/app/set-theory-calculator/id791334943)

This app analyzes musical pitch class sets using post-tonal theory. It calculates normal and prime forms, displays Forte numbers, and generates interval class vectors. Users can also transpose, invert, complement, and play sets as melodies or chords, with an included overview of set theory.

**Highlights:** Calculate Normal Form and Prime Form, Display Forte Number, Calculate interval class vector, Transpose and invert sets, Display set matrix, Sort, invert, or complement sets, Play sets as melody or chord

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

**In-app purchases:** none


### Contrapunctus

[App page](https://appshunter.io/ios/app/contrapunctus-second-voice/id6795214128)

Create a second, independent musical line to accompany your melody. Draw or import music, and the app generates compliant counterpoint, offering various options and customization. Export your compositions in standard formats for use in other music software.

**Highlights:** Generate independent counterpoint melodies, Draw melodies or import MIDI/MusicXML, Real-time rule engine for voice-leading, Customizable voice movement and harmony, Standard notation preview, MIDI and MusicXML export, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Set Theory Calculator free?

Set Theory Calculator costs $3.99, with no in-app purchases.

### Is Contrapunctus free?

Contrapunctus costs $4.99, with no in-app purchases.

### Which has better reviews, Set Theory Calculator or Contrapunctus?

Set Theory Calculator and Contrapunctus are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Set Theory Calculator or Contrapunctus have ads?

Neither Set Theory Calculator nor Contrapunctus 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.*