# QuantiChord vs iStem

The clearest difference is price: iStem at Free against QuantiChord's $12.99. QuantiChord's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ads there is nothing between them.

iStem is free to download; QuantiChord costs $12.99 up front. iStem sells 1 one-off in-app purchase. QuantiChord asks for nothing beyond the download.

## The numbers

| Metric | QuantiChord | iStem |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.0 (11 ratings)](https://appshunter.io/ios/app/quantichord/id1439713799/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 34 MB | 79 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Colson](https://appshunter.io/developer/381525765) | [Jan Maes](https://appshunter.io/developer/1550506252) |

## What reviewers say

### QuantiChord

[App page](https://appshunter.io/ios/app/quantichord/id1439713799)

This app generates chords from incoming notes and quantizes them to a selected scale. It functions as a standalone application or an AUv3 MIDI effect plugin, offering extensive MIDI connectivity and an internal sound bank.

**Highlights:** Standalone app and AUv3 MIDI effect plugin, Chord generation with transposing notes, Scale quantization, Full internal and external MIDI support, Internal sound bank, Preset management and sharing

**Features:** Vision Pro support

**In-app purchases:** none


### iStem

[App page](https://appshunter.io/ios/app/istem/id6793296941)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iStem Activation | $4.99 | one-time |


## Frequently asked questions

### Is QuantiChord free?

QuantiChord costs $12.99, with no in-app purchases.

### Is iStem free?

iStem is free to download, with in-app purchases available.

### Do QuantiChord or iStem have ads?

Neither QuantiChord nor iStem shows ads.

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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.*