# Chordopia vs PentaMonochord

The clearest difference is ratings volume: Chordopia at 60 against PentaMonochord's 1. Chordopia also leads on update cadence (every 7 months vs every 24 months). PentaMonochord's advantage is rating (5.0 vs 4.7) and price ($1.99 vs $3.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Chordopia costs $3.99 and PentaMonochord $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PentaMonochord holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Chordopia has 60 ratings behind it against 1, so its average is the more settled of the two.

Chordopia ships an update every 7 months, PentaMonochord every 24 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Chordopia | PentaMonochord |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | [4.7 (60 ratings)](https://appshunter.io/ios/app/chordopia/id922029762/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pentamonochord/id1582880506/reviews)** |
| Number of ratings | **60** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 24 months |
| Monetization | Paid | Paid |
| Size | 32 MB | 12 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waxing Wave](https://appshunter.io/developer/392942046) | [Lucy Hudson](https://appshunter.io/developer/1179157812) |

## What reviewers say

### Chordopia

[App page](https://appshunter.io/ios/app/chordopia/id922029762)

This app helps musicians find guitar, ukulele, and mandolin chords. Input a chord name to see diagrams and hear its sound, or create a diagram to identify the chord. It supports custom tunings and generates voicings dynamically.

**Highlights:** Chord diagram generation, Chord identification from diagrams, Sound playback for chords, Support for alternate and custom tunings, Dynamic voicing search, Extensive chord type library

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

**In-app purchases:** none


### PentaMonochord

[App page](https://appshunter.io/ios/app/pentamonochord/id1582880506)

Explore the relationship between pitch and string length with a digital monochord. Build scales, hear intervals, and learn about Pythagorean music theory through interactive blocks and historical context.

**Highlights:** Build two-octave G pentatonic scales, Hear and see interval relationships, View Hertz frequencies and string lengths, Play pentatonic tunes, Scale-building game mode, Background information on monochord system, Historical timeline

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

**In-app purchases:** none


## Frequently asked questions

### Is Chordopia free?

Chordopia costs $3.99, with no in-app purchases.

### Is PentaMonochord free?

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

### Which has better reviews, Chordopia or PentaMonochord?

PentaMonochord is rated higher. Chordopia averages 4.7 out of 5 from 60 ratings, while PentaMonochord averages 5.0 from 1 ratings.

### Do Chordopia or PentaMonochord have ads?

Neither Chordopia nor PentaMonochord shows ads.

### Which is updated more often, Chordopia or PentaMonochord?

Chordopia ships an update every 7 months, and PentaMonochord every 24 months. Most recently, Chordopia was updated on October 7, 2026 and PentaMonochord on October 16, 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.*