# ChordMapMidi vs Radio Stream Player

The clearest difference is price: Radio Stream Player at $0.99 against ChordMapMidi's $3.99. ChordMapMidi's advantage is iOS requirement (16.6 vs 18.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

ChordMapMidi costs $3.99 and Radio Stream Player $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ChordMapMidi ships an update every 8 months, Radio Stream Player every 6 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ChordMapMidi | Radio Stream Player |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/chordmapmidi/id533859936/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 52.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 4 MB | 1 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Malcolm Mugglin](https://appshunter.io/developer/533859939) | [CHRISTIAN VOLLMER](https://appshunter.io/developer/1829401826) |

## What reviewers say

### ChordMapMidi

[App page](https://appshunter.io/ios/app/chordmapmidi/id533859936)

This app is a MIDI controller for exploring musical chords and progressions in major and minor keys. It sends note information to other synthesizer apps on your device, making it a portable tool for musicians and educators.

**Highlights:** Explore chords and progressions, Major and minor keys, MIDI controller functionality, Sends note information to synth apps, Portable music tool

**In-app purchases:** none


### Radio Stream Player

[App page](https://appshunter.io/ios/app/radio-stream-player/id6754509957)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChordMapMidi free?

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

### Is Radio Stream Player free?

Radio Stream Player costs $0.99, with no in-app purchases.

### Do ChordMapMidi or Radio Stream Player have ads?

Neither ChordMapMidi nor Radio Stream Player shows ads.

### Which is updated more often, ChordMapMidi or Radio Stream Player?

ChordMapMidi ships an update every 8 months, and Radio Stream Player every 6 months. Most recently, ChordMapMidi was updated on October 23, 2026 and Radio Stream Player on October 18, 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.*