# Chordal Text vs PentaMonochord

The clearest difference is price: PentaMonochord at $1.99 against Chordal Text's $9.99. PentaMonochord also leads on iOS requirement (12.0 vs 17). Chordal Text's advantage is update cadence (every 2 months vs every 24 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Chordal Text costs $9.99 and PentaMonochord $1.99 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 Chordal Text against 5.0 for PentaMonochord. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Chordal Text ships an update every 2 months, PentaMonochord every 24 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Chordal Text | PentaMonochord |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/chordal-text/id1073371136/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pentamonochord/id1582880506/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 24 months |
| Monetization | Paid | Paid |
| Size | 16 MB | 12 MB |
| Requires iOS | 17 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thompson Usiyan](https://appshunter.io/developer/405804343) | [Lucy Hudson](https://appshunter.io/developer/1179157812) |

## What reviewers say

### Chordal Text

[App page](https://appshunter.io/ios/app/chordal-text/id1073371136)

This app acts as a harmony assistant, combining a chord dictionary and calculator. It interprets various text inputs describing chords, such as names, scale degrees, or note names, and then provides a detailed description of the chord's notes.

**Highlights:** Chord dictionary, Chord calculator, Text-based chord input, Chord note description, Harmony assistant

**Features:** macOS Compatibility

**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 Chordal Text free?

Chordal Text costs $9.99, with no in-app purchases.

### Is PentaMonochord free?

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

### Which has better reviews, Chordal Text or PentaMonochord?

Chordal Text and PentaMonochord are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Chordal Text or PentaMonochord have ads?

Neither Chordal Text nor PentaMonochord shows ads.

### Which is updated more often, Chordal Text or PentaMonochord?

Chordal Text ships an update every 2 months, and PentaMonochord every 24 months. Most recently, Chordal Text was updated on November 2, 2026 and PentaMonochord on November 3, 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.*