# Supraphonline.cz vs PitchSetCalc

The clearest difference is review sentiment: PitchSetCalc at 50% against Supraphonline.cz's 0%. PitchSetCalc also leads on rating (3.5 vs 2.3). Supraphonline.cz's advantage is price (Free vs $0.99) and iOS requirement (10.0 vs 15.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Supraphonline.cz is free to download; PitchSetCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PitchSetCalc holds the better App Store score, 3.5 against 2.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 0% of Supraphonline.cz's written reviews are positive against 50% of PitchSetCalc's.

Supraphonline.cz ships an update every 12 months, PitchSetCalc every 19 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Supraphonline.cz | PitchSetCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/supraphonlinecz/id803384814/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/pitchsetcalc/id884187756/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 19 months |
| Monetization | **Free** | Paid |
| Size | 27 MB | 36 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jaromir Uhrik](https://appshunter.io/developer/605842788) | [Jess Hendricks](https://appshunter.io/developer/884187759) |

## What reviewers say

### Supraphonline.cz

[App page](https://appshunter.io/ios/app/supraphonlinecz/id803384814)

Access a vast library of Czech and international music, including popular, classical, and spoken word content. Stream samples, purchase digital downloads in various formats, and manage your music library. The app also facilitates the purchase of physical media like CDs and LPs.

**Highlights:** Browse music catalog, Listen to samples, Search for music, Manage purchased music, Download MP3, FLAC, Hi-Res, Purchase physical media

**Features:** macOS Compatibility

**In-app purchases:** none


### PitchSetCalc

[App page](https://appshunter.io/ios/app/pitchsetcalc/id884187756)

This music theory tool aids students and theorists in analyzing music using Set Theory. It calculates normal order, prime form, Forte number, and interval class vectors from user-inputted pitch class sets. The app also offers audio playback of entered sets as scales or simultaneities.

**Highlights:** Pitch class set entry via pitch wheel, Calculates normal order, Calculates prime form, Calculates Forte number, Calculates interval class vector, Audio playback of pitch sets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Supraphonline.cz free?

Supraphonline.cz is free to download, with no in-app purchases.

### Is PitchSetCalc free?

PitchSetCalc costs $0.99, with no in-app purchases.

### Which has better reviews, Supraphonline.cz or PitchSetCalc?

PitchSetCalc is rated higher. Supraphonline.cz averages 2.3 out of 5 from 3 ratings, while PitchSetCalc averages 3.5 from 2 ratings.

### Do Supraphonline.cz or PitchSetCalc have ads?

Neither Supraphonline.cz nor PitchSetCalc shows ads.

### Which is updated more often, Supraphonline.cz or PitchSetCalc?

Supraphonline.cz ships an update every 12 months, and PitchSetCalc every 19 months. Most recently, Supraphonline.cz was updated on November 1, 2026 and PitchSetCalc on November 1, 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.*