Comparison

Garmin Audio vs S1 & S2 Controller for Sonos

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

Head to head
About

Garmin Audio

Control your marine entertainment system wirelessly from your device. Manage music sources, adjust volume zones, and navigate your library with ease. Optimize audio with advanced DSP settings for a premium listening experience on the water.

Highlights
  • Wireless remote control
  • Music source navigation
  • Independent volume zone control
  • Wi-Fi and Bluetooth connectivity
  • Album art display
  • Over-the-air software updates
  • Digital Signal Processing (DSP) setup
Read full description

The free Garmin Audio app puts entertainment control in the palm of your hand. Whether you’re on the move or at the helm, this app gives you quick access to wireless remote control of your compatible JL Audio® or Fusion® stereo via Bluetooth® or Wi-Fi® connectivity (Wi-Fi available on select stereo models only). Enjoy play / pause / skip audio control with source selection, individual zone volume control and the ability to adjust music / stereo settings (including choosing albums, artists and playlists). You will also be able to access over-the-air software updates allowing you to easily keep your compatible stereo up-to-date with the latest features. The app supports Digital Signal Processing (DSP) setup with the Easy Tune feature; where you can select customized speaker, subwoofer, amplifier and environmental profiles to enjoy premium audio that is optimized for your boat, resulting in a superior listening experience. DSP also protects your audio system by adjusting the power output to your system components. Keep a look out for future app updates which may introduce new features and improvements.

About

S1 & S2 Controller for Sonos

This app allows you to control wireless speakers and music centers from your iPhone or iPad. It supports most Sonos speakers and lets you play music directly from your phone's library over Wi-Fi or Bluetooth. Enjoy seamless music streaming with auto-detection and session resume features.

Highlights
  • Control wireless speakers
  • Connect via Wi-Fi or Bluetooth
  • Play music from phone library
  • Auto-detect Sonos speakers
  • Auto-resume cast sessions
Features
Read full description

Control any wireless speakers and music centers from your iPhone or iPad! Cast & Control Speaker App is compatible with most Sonos Speakers. FEATURES: ・Connect our app to your Speakers via Wifi or Bluetooth and play Music from your phone Library. ・Auto Detect Sonos Speakers ・Auto Resume Previous Cast Session ・Play and stream music from iPhone NOTE: - Make sure your device and your speaker are connected to the same wifi network. Payment and Subscription Information: • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://sites.google.com/view/speaker-control-policy/ Terms of Use: https://sites.google.com/view/speaker-control-terms/

Screenshots

Garmin Audio4 screens
S1 & S2 Controller for Sonos3 screens

Verdict

The call

Garmin Audio and S1 & S2 Controller for Sonos both sit at 4.0 stars, but that hides the real split: 69% of Garmin Audio's written reviews are positive against 12% of S1 & S2 Controller for Sonos's. Garmin Audio also leads on in-app purchases (none vs 4) and ads (none vs shown). S1 & S2 Controller for Sonos's advantage is ratings volume (3.6K vs 461) and iOS requirement (15.0 vs 18.0). On price, rating, update cadence and device support 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. S1 & S2 Controller for Sonos sells 4 in-app purchases, starting at $4.99 per 7 days. Garmin Audio asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for Garmin Audio against 4.1 for S1 & S2 Controller for Sonos. That said, the two scores are not equally well evidenced: S1 & S2 Controller for Sonos has 3.6K ratings behind it against 461, so its average is the more settled of the two. Written reviews are what separate them: 69% of Garmin Audio's written reviews are positive against 12% of S1 & S2 Controller for Sonos's.

UpkeepUpdate frequency

Garmin Audio ships an update every 3 months, S1 & S2 Controller for Sonos every 2 months. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Garmin Audio versus S1 & S2 Controller for Sonos: the parameters behind the verdict, then further details
ParameterGarmin AudioS1 & S2 Controller for Sonos
PriceFreeFree
Rating4.0 (461 ratings)4.1 (3.6K ratings) — better
Positive reviews69.5% of reviews — better11.9% of reviews
Number of ratings4613.6K — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size55 MB105 MB
Age rating4+4+
DeveloperGarminFree AI Utility Apps LLC

Customer experience

Garmin Audio

All ratings459 ratings
Positive73.0%
Neutral5.7%
Negative21.4%
Written reviews239 reviews
Positive69.5%
Neutral8.8%
Negative21.8%

S1 & S2 Controller for Sonos

All ratings3,631 ratings
Positive76.2%
Neutral4.6%
Negative19.2%
Written reviews118 reviews
Positive11.9%
Neutral1.7%
Negative86.4%

User reviews

Garmin Audio

From 461 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Convenient remote control
  • 💡 Great for multi-zone audio control
  • 🎨 Intuitive interface
  • 🔊 Excellent sound quality

Room to improve

  • 🐛 Connectivity issues
  • 🔍 Inconsistent app performance
  • 🔌 Difficulty updating firmware
  • 🤖 Lack of Apple Watch support
  • 🔇 Volume control problems

S1 & S2 Controller for Sonos

From 3.6K App Store ratings

What we love

  • 👍 Help with reconnecting speakers
  • 🚀 Excellent setup instructions

Room to improve

  • 🐛 Doesn't work across Sonos system
  • 🐛 Doesn't recognize when arriving at second home
  • 🐛 Ads and paywall to remove ads
  • 🐛 Doesn't allow adding new devices
  • 🐛 Unreliable connection and performance

Bugs and requests

Garmin Audio

Reported bugs

4 issues
  • App crashes when adjusting volume
  • Bluetooth disconnects frequently
  • Fails to detect stereo system
  • Inconsistent zone control functionality

Requested features

4 requests
  • Apple Watch app
  • More customization options
  • Improved Bluetooth/WiFi reliability
  • Streamlined firmware update process

S1 & S2 Controller for Sonos

Reported bugs

3 issues
  • Can't connect speakers to WiFi
  • Doesn't recognize speakers
  • Doesn't allow canceling subscription

Requested features

3 requests
  • Ability to control speaker settings
  • Seamless multi-home support
  • Improved reliability and connectivity

In-app purchases

None

Garmin Audio

No in-app purchases

4 purchases

S1 & S2 Controller for Sonos

Subscriptions3
  • Unlock Premium Features$4.997 Days
  • Activate your speaker3 Days trial$29.991 Year
  • Annual Package$29.991 Year
One-time1
  • Unlock all features endlessly$24.99

Questions

Is Garmin Audio free?
Garmin Audio is free to download, with no in-app purchases.
Is S1 & S2 Controller for Sonos free?
S1 & S2 Controller for Sonos is free to download, with in-app purchases available.
Which has better reviews, Garmin Audio or S1 & S2 Controller for Sonos?
S1 & S2 Controller for Sonos is rated higher. Garmin Audio averages 4.0 out of 5 from 461 ratings, while S1 & S2 Controller for Sonos averages 4.1 from 3.6K ratings.
Do Garmin Audio or S1 & S2 Controller for Sonos have ads?
S1 & S2 Controller for Sonos shows ads; Garmin Audio does not.
Which is updated more often, Garmin Audio or S1 & S2 Controller for Sonos?
Garmin Audio ships an update every 3 months, and S1 & S2 Controller for Sonos every 2 months. Most recently, Garmin Audio was updated on November 8, 2026 and S1 & S2 Controller for Sonos on November 7, 2026.

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