# Polyphonic Tuner vs WhatChord MIDI

The clearest difference is in-app purchases: WhatChord MIDI at none against Polyphonic Tuner's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Polyphonic Tuner sells 1 one-off in-app purchase. WhatChord MIDI asks for nothing beyond the download.

## The numbers

| Metric | Polyphonic Tuner | WhatChord MIDI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/whatchord-midi/id6758409779/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 18 MB | 24 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tony Korologos](https://appshunter.io/developer/1221789537) | [Aaron Bull Schaefer](https://appshunter.io/developer/1872791906) |

## What reviewers say

### Polyphonic Tuner

[App page](https://appshunter.io/ios/app/polyphonic-tuner/id6755968595)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PolyTuner Pro | $9.99 | one-time |


### WhatChord MIDI

[App page](https://appshunter.io/ios/app/whatchord-midi/id6758409779)

Identify chords from live MIDI input or manual note entry. Explore harmony, build chords, and browse scales with musically informed analysis. Learn and understand music theory with real-time feedback.

**Highlights:** Real-time chord recognition, Manual chord lookup, Explore chords and scales, Musically informed analysis, Alternative chord interpretations, MIDI compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polyphonic Tuner free?

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

### Is WhatChord MIDI free?

WhatChord MIDI is free to download, with no in-app purchases.

### Do Polyphonic Tuner or WhatChord MIDI have ads?

Neither Polyphonic Tuner nor WhatChord MIDI 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.*