# Temperaments vs PentaMonochord

The clearest difference is rating: PentaMonochord at 5.0 against Temperaments's 4.7. PentaMonochord also leads on price ($1.99 vs $4.99). Temperaments's advantage is ratings volume (3 vs 1) and iOS requirement (9.0 vs 12.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Temperaments costs $4.99 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. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Temperaments ships an update every 30 months, PentaMonochord every 24 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Temperaments | PentaMonochord |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/temperaments/id994751711/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pentamonochord/id1582880506/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 24 months** |
| Monetization | Paid | Paid |
| Size | 22 MB | 12 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUMBLE EARTH PRODUCTIONS INC](https://appshunter.io/developer/994751710) | [Lucy Hudson](https://appshunter.io/developer/1179157812) |

## What reviewers say

### Temperaments

[App page](https://appshunter.io/ios/app/temperaments/id994751711)

Explore historical and unconventional musical tunings. This app allows you to retune MIDI files and live performances in real-time, offering instant comparisons between different temperaments and the ability to compose with unique sounds.

**Highlights:** Learn historical musical tunings, Retune MIDI files in real-time, Apply temperaments to live performances, Instant comparison of tunings, Compose with unconventional tunings, Export retuned MIDI files

**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 Temperaments free?

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

### Is PentaMonochord free?

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

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

PentaMonochord is rated higher. Temperaments averages 4.7 out of 5 from 3 ratings, while PentaMonochord averages 5.0 from 1 ratings.

### Do Temperaments or PentaMonochord have ads?

Neither Temperaments nor PentaMonochord shows ads.

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

Temperaments ships an update every 30 months, and PentaMonochord every 24 months. Most recently, Temperaments was updated on November 1, 2026 and PentaMonochord on October 30, 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.*