Comparison

Ultramarine vs MusicCast Controller

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ultramarine

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
Read full description

Polk Ultramarine is the ultimate wireless remote control for your Polk Ultramarine stereo system. Enjoy the convenience of all the primary functions of your Polk Ultramarine stereo right from your phone or tablet by transforming your mobile device into a functional stereo remote control! The Polk Ultramarine app works with the following Polk Ultramarine models: UM1A PA4A P1 This app controls all of the primary functions of your stereo features including: Power on/off Volume and mute AM/FM radio tuner: access station, recall, store presets, switch songs NOAA weather band and alert Bluetooth® streaming audio SiriusXM® Satellite Radio File structure visibility, track selection, track audible scan up and down via USB 1 & 2 iPod/iPhone/iPad® control capabilities via USB 1 Auxiliary audio input control: auxiliary analog 1 & 2 Speaker selection A, B and/or C Audio menu controls: subwoofer, bass, midrange, treble, balance, fader, equalizer, volume, and speaker selection settings Zone control presets Visual display feedback so you can see artist title and album on your mobile screen Polk Ultramarine transforms your mobile device into a functional stereo remote control making it a perfect pocket-size, portable controller to fit your marine lifestyle. *App capabilities vary with the stereo’s feature set.

About

MusicCast Controller

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
Read full description

Choose what you want to listen to, where and how with MusicCast. MusicCast is a streaming and multi-room audio system built into many Yamaha products, including sound bars, wireless speakers, AV receivers and more. The MusicCast app lets you easily control them all. Music Everywhere -Listen to music throughout your whole home -Listen to the same or different music in each room Stream your favorites -Stream from popular music services or from Internet Radio stations -Access your music library from your smartphone, NAS drive or computer -Stream internal or external content (TV, CD Player, Blu-ray Disc Player, USB, and more) Don't skimp on quality -Supports High Resolution Audio playback (up to 192kHz/24bit) Create wireless setups -MusicCast Stereo: Pair compatible models for a wireless 2-channel or 2.1-channel setup -MusicCast Surround: Pair select models together for the ease of wirelss surround sound Make your music yours -Multiple settings to customize your experience Requirements - iOS 16.0 or higher - A Wi-Fi router and one or more MusicCast-enabled products within the same network Compatible models vary by region. Please refer to the following site for compatible models. https://www.yamaha.com/2/musiccast/ This application performs following functions for purposes described below. - Making a connection under Wi-Fi enabled environment The application uses Wi-Fi function on your mobile terminal for the purpose of operating network-enabled devices. - Accessing to music information stored in your smartphone / tablet This application accesses to music information stored in your smartphone / tablet for the purpose of displaying, playing and editing the music information and/or playlist. To setup your MusicCast devices, this app needs to find your Wi-Fi network as location information. This app doesn’t collect your actual location using GPS or Wi-Fi based positioning technologies.

Screenshots

Ultramarine4 screens
MusicCast Controller4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Ultramarine versus MusicCast Controller: the parameters behind the verdict, then further details
ParameterUltramarineMusicCast Controller
PriceFreeFree
Rating1.6 (40 ratings)4.7 (43K ratings) — better
Positive reviews8.7% of reviews40.7% of reviews — better
Number of ratings4043K — better
Update frequencyEvery 17 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.0
Further details — not scored
Size10 MB106 MB
Age rating4+4+
DeveloperASA Electronics, LLCYamaha Corporation of America

Customer experience

Ultramarine

All ratings40 ratings
Positive12.5%
Neutral0.0%
Negative87.5%
Written reviews23 reviews
Positive8.7%
Neutral0.0%
Negative91.3%

MusicCast Controller

All ratings41,390 ratings
Positive91.6%
Neutral2.8%
Negative5.5%
Written reviews258 reviews
Positive40.7%
Neutral13.6%
Negative45.7%

Bugs and requests

Ultramarine

Not enough reviews yet to summarise bugs or requests.

MusicCast Controller

Reported bugs

5 issues
  • 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

5 requests
  • 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

In-app purchases

None

Ultramarine

No in-app purchases

None

MusicCast Controller

No in-app purchases

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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