# Ultramarine vs MusicCast Controller

The clearest difference is rating: MusicCast Controller at 4.7 against Ultramarine's 1.6. MusicCast Controller also leads on review sentiment (41% vs 9%) and update cadence (every 3 months vs every 17 months). Ultramarine's advantage is iOS requirement (8.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MusicCast Controller holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: MusicCast Controller has 43K ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 9% of Ultramarine's written reviews are positive against 41% of MusicCast Controller's.

Ultramarine ships an update every 17 months, MusicCast Controller every 3 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Ultramarine | MusicCast Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (40 ratings)](https://appshunter.io/ios/app/ultramarine/id934648828/reviews) | **[4.7 (43K ratings)](https://appshunter.io/ios/app/musiccast-controller-us/id1002730190/reviews)** |
| Number of ratings | 40 | **43K** |
| Positive reviews | 8.7% of reviews | **40.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 10 MB | 106 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASA Electronics, LLC](https://appshunter.io/developer/924302000) | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) |

## What reviewers say

### Ultramarine

[App page](https://appshunter.io/ios/app/ultramarine/id934648828)

Transform your mobile device into a wireless remote for your Polk Ultramarine stereo system. Control power, volume, radio tuning, Bluetooth streaming, satellite radio, and audio settings directly from your phone or tablet.

**Highlights:** Power on/off, Volume and mute control, AM/FM radio tuning, Bluetooth streaming, SiriusXM control, USB media playback, Audio menu adjustments

**Features:** Vision Pro support

**In-app purchases:** none


### MusicCast Controller

[App page](https://appshunter.io/ios/app/musiccast-controller-us/id1002730190)

Control your Yamaha MusicCast-enabled audio devices to stream music throughout your home. Enjoy music from various sources, create multi-room setups, and customize your listening experience with high-resolution audio support.

**Highlights:** Multi-room audio streaming, Control of Yamaha MusicCast devices, Stream from music services and internet radio, Access local music libraries, High-resolution audio playback, Wireless stereo and surround setups

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent when working
- 👍 Great concept and features
- 🎶 Fantastic sound quality
- 💡 Innovative multi-room audio
- 🎨 Refreshed UI is an improvement

**What reviewers complain about**

- 🐛 Frequent connectivity issues
- 🔌 Unreliable app performance
- 🤔 Confusing and unintuitive UI
- 🔇 Occasional audio dropouts
- 🔋 High battery consumption

**Reported bugs**

- App crashes after recent updates
- Bluetooth speaker frequently disconnects
- Streaming services stop working randomly
- Zones get unlinked without user action
- Volume controls behave unexpectedly

**Requested features**

- Add support for more music services
- Improve volume control and display
- Allow custom photo/icon for zones
- Provide better integration with iOS
- Add stereo pairing settings in app


## Frequently asked questions

### Is Ultramarine free?

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

### Is MusicCast Controller free?

MusicCast Controller is free to download, with no in-app purchases.

### Which has better reviews, Ultramarine or MusicCast Controller?

MusicCast Controller is rated higher. Ultramarine averages 1.6 out of 5 from 40 ratings, while MusicCast Controller averages 4.7 from 43K ratings.

### Do Ultramarine or MusicCast Controller have ads?

Neither Ultramarine nor MusicCast Controller shows ads.

### Which is updated more often, Ultramarine or MusicCast Controller?

Ultramarine ships an update every 17 months, and MusicCast Controller every 3 months. Most recently, Ultramarine was updated on November 1, 2026 and MusicCast Controller on November 11, 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.*