# Hohner Melodeon Pro vs Chord Calculus

The clearest difference is rating: Chord Calculus at 3.9 against Hohner Melodeon Pro's 3.0. Chord Calculus also leads on update cadence (fortnightly vs every 6 months) and review sentiment (80% vs 67%). Hohner Melodeon Pro's advantage is iOS requirement (13.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Hohner Melodeon Pro costs $4.99 and Chord Calculus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chord Calculus holds the better App Store score, 3.9 against 3.0. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 67% of Hohner Melodeon Pro's written reviews are positive against 80% of Chord Calculus's.

Hohner Melodeon Pro ships an update every 6 months, Chord Calculus fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Hohner Melodeon Pro | Chord Calculus |
| --- | --- | --- |
| Price | $4.99 | **$2.99** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/hohner-melodeon-pro/id1082053760/reviews) | **[3.9 (8 ratings)](https://appshunter.io/ios/app/chord-calculus/id1239631425/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | 66.7% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 35 MB | 64 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Eskin](https://appshunter.io/developer/342739369) | [Steven Pollack](https://appshunter.io/developer/1239631424) |

## What reviewers say

### Hohner Melodeon Pro

[App page](https://appshunter.io/ios/app/hohner-melodeon-pro/id1082053760)

This virtual instrument replicates the feel and sound of a Hohner diatonic accordion. It offers multiple common tunings and allows for expressive playing through touch controls and MIDI input. Settings are saved for convenience.

**Highlights:** Authentic Hohner layout simulation, Multiple two-row diatonic tunings, Bellows touch control, Volume and reverb adjustment, MIDI keyboard compatibility, Note name display toggle

**In-app purchases:** none


### Chord Calculus

[App page](https://appshunter.io/ios/app/chord-calculus/id1239631425)

This app helps musicians visualize and understand chords, scales, and progressions for various fretted instruments. It allows customization of instruments, tunings, and capos, and includes a tuner. Play chords, arpeggios, and scales.

**Highlights:** Chord calculator with fingering display, Chord identifier for unknown fingerings, Scale display and playback, Chord progression player, Custom instrument and tuning creation, Capo support, Instrument tuner

**In-app purchases:** none


## Frequently asked questions

### Is Hohner Melodeon Pro free?

Hohner Melodeon Pro costs $4.99, with no in-app purchases.

### Is Chord Calculus free?

Chord Calculus costs $2.99, with no in-app purchases.

### Which has better reviews, Hohner Melodeon Pro or Chord Calculus?

Chord Calculus is rated higher. Hohner Melodeon Pro averages 3.0 out of 5 from 2 ratings, while Chord Calculus averages 3.9 from 8 ratings.

### Do Hohner Melodeon Pro or Chord Calculus have ads?

Neither Hohner Melodeon Pro nor Chord Calculus shows ads.

### Which is updated more often, Hohner Melodeon Pro or Chord Calculus?

Hohner Melodeon Pro ships an update every 6 months, and Chord Calculus fortnightly. Most recently, Hohner Melodeon Pro was updated on October 24, 2026 and Chord Calculus 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.*