Comparison

Harmony® Control vs SVS

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

Head to head
About

Harmony® Control

Control your entire smart home and entertainment system from your iPhone or iPad. Streamline your life with personalized, one-touch activities that manage lights, blinds, volume, and more. Compatible with a vast range of devices and Logitech Harmony hub-based remotes.

Highlights
  • One-touch multi-device activities
  • Control entertainment and automation devices
  • Remote device status checks and adjustments
  • Custom schedules for device automation
  • Favorite channels with custom icons
  • Swipe and tap gestures for control
  • Control devices in closed cabinets
Features
Read full description

Control your home from your iPhone or iPad. Dim the lights, close the blinds, crank the volume, and start the movie— with one touch. Streamline your life using personalized, multi-device Activities that can be started with one touch. Combine home entertainment—TVs, stereos, cable/satellite set-top boxes, and game consoles—with home automation—connected lights, locks, blinds, thermostats, sensors, and more. Harmony brings it together. You bring it to life. Use of the Harmony app requires one of the following Logitech Harmony hub-based remote controls: Harmony Pro, Harmony Elite, Harmony Companion, Harmony Hub, Harmony Ultimate Home, Harmony Home Control, Harmony Home Hub, Harmony Ultimate, Harmony Smart Control, Harmony Smart Keyboard, or Harmony Ultimate Hub (each sold separately). To learn about the full line of Harmony remotes, or to make a purchase, please visit www.logitech.com/harmony-remotes. Every remote you’ll ever need Control home entertainment devices with your iPhone or iPad when paired with a Harmony hub-based remote control. Control connected lights, locks, blinds, thermostats, and more from a single app, whether inside or outside your home. Check devices status and make adjustments remotely. Set up custom schedules to turn devices on or off at specific times or on specific days. With just one touch, start multiple devices together using Activities such as Good Morning, Good Night, Watch TV, Listen to Music, or Play Games. Create up to 50 favorite channels with custom icons for quick access to your entertainment. Use swipe or tap gestures directly on the screen to adjust the volume, change channels, fast-forward, rewind, and more. Install the app on each iPhone or iPad in the house and everyone can have their own personalized favorite channels and custom gestures. Control devices inside closed media cabinets. Hide the clutter of your entertainment devices and never worry about pointing your phone at your TV. Compatible with many IR and Bluetooth® game consoles. Compatible with an ever growing list over 270,000 devices from more than 6,000 brands. See myharmony.com/compatibility for latest compatibility information. Customer Support We want to ensure you will enjoy your remote. If you run into issues or have any questions, we have help available. You can find online support articles at https://support.myharmony.com Join our online support community at community.myharmony.com Contact our support team at https://support.myharmony.com/en-us/contact-us Terms of Use : https://files.myharmony.com/Assets/legal/en/termsofuse.html

About

SVS

Control and optimize your SVS subwoofer's performance with advanced DSP features. Adjust volume, fine-tune audio for music and movies, and correct room anomalies for the deepest, tightest bass.

Highlights
  • Advanced DSP functionality
  • Room anomaly correction
  • Customizable presets
  • Volume control
  • Low pass filter adjustment
  • Parametric EQ
  • Port tuning
Read full description

The SVS app is the easiest way to unleash the full potential of your SVS 17-Ultra RIEvolution, 5000 Series R|Evolution, 3000 R|Evolution, 16-Ultra, 4000 Series, 3000 Series, 3000 Micro, 3000 In-Wall, 2000 Pro Series, and 1000 Pro Series subwoofers by allowing advanced DSP functionality and optimization based on your room, speakers and personal listening preferences. The SVS app lets you do simple things like control volume and create custom presets that enable easy, one-touch tuning for music, movies, and other content. More advanced functionality of the SVS subwoofer app includes the ability to correct room anomalies and fine-tune low frequency output so you can enjoy the full depth, force, and nuance from the world’s finest subwoofers. When used with your SVS subwoofer, the app takes the mystery out of subwoofer digital signal processing (DSP) by clearly explaining each feature and providing easy control from your mobile device. If you’re new to subwoofer DSP, the SVS app has a helpful tutorial that guides you through the different settings. With a few simple adjustments, you can eliminate boomy spots, set crossover frequencies, and make other adjustments to get the deepest, tightest, and most accurate in-room response possible from your SVS subwoofer. You can make adjustments from the comfort of your favorite seat or even when the subwoofer is not in site. With SVS, you can easily optimize settings for: • Volume Control • Low Pass Filter • Phase • Polarity • Parametric EQ • Room Gain Compensation • Port Tuning (Ported models only) • Custom Presets • System Settings And More The SVS app works with Apple iOS 13.0 or newer. The app is also available for SVS 13-Ultra Amplifier Upgrade Kits for existing owners of the SVS SB13, PB13, PC13-Ultra, PB12-PLUS, and PC12-PLUS Subwoofers. Have questions, problems or feedback? Contact us at custservice@svsound.com or 877.626.5623.

Screenshots

Harmony® Control4 screens
SVS4 screens

Verdict

The call

The clearest difference is review sentiment: SVS at 68% against Harmony® Control's 24%. SVS also leads on rating (4.2 vs 1.9). Harmony® Control's advantage is ratings volume (2.4K vs 95). On price, update cadence, ads and in-app purchases 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

SVS holds the better App Store score, 4.2 against 1.9. That said, the two scores are not equally well evidenced: Harmony® Control has 2.4K ratings behind it against 95, so its average is the more settled of the two. Written reviews point the same way: 24% of Harmony® Control's written reviews are positive against 68% of SVS's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 27, 2026 and September 15, 2026 respectively.

Scorecard3 real differences · 7 level
Harmony® Control versus SVS: the parameters behind the verdict, then further details
ParameterHarmony® ControlSVS
PriceFreeFree
Rating1.9 (2.4K ratings)4.2 (95 ratings) — better
Positive reviews24.2% of reviews68.5% of reviews — better
Number of ratings2.4K — better95
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size43 MB34 MB
Age rating4+4+
DeveloperLogitech Inc.Specialty Technologies, LLC.

Customer experience

Harmony® Control

All ratings2,449 ratings
Positive18.9%
Neutral6.1%
Negative75.1%
Written reviews660 reviews
Positive24.2%
Neutral12.4%
Negative63.3%

SVS

All ratings85 ratings
Positive77.6%
Neutral5.9%
Negative16.5%
Written reviews73 reviews
Positive68.5%
Neutral9.6%
Negative21.9%

User reviews

Harmony® Control

From 2.4K App Store ratings

What we love

  • 🚀 Works well
  • 👍 Comprehensive control
  • 🚀 Keeps working for years
  • 👍 Convenient remote control

Room to improve

  • 🐛 Connectivity issues
  • 🐛 Buggy app
  • 🐛 Unreliable setup process
  • 🐛 Unintuitive user interface
  • 🐛 Slow performance

SVS

From 95 App Store ratings

What we love

  • 👍 Great app for subwoofer control
  • 🚀 Intuitive and easy to use
  • 💡 Powerful functionality at fingertips
  • ✨ Excellent for fine-tuning settings
  • ✅ Works reliably for many users

Room to improve

  • 🐛 Connectivity issues
  • 🐛 App crashes frequently
  • 🐛 Preset saving issues
  • 🐛 Not intuitive for multiple subs
  • 🐛 Lacks auto room correction

Bugs and requests

Harmony® Control

Reported bugs

4 issues
  • App freezes during configuration
  • Unable to connect to hub
  • Loses connection with devices
  • Fails to recognize devices

Requested features

4 requests
  • Bring back widget support
  • Add Apple Watch integration
  • Improve Alexa/voice control integration
  • Allow more granular control over activities

SVS

Reported bugs

15 issues
  • App crashes frequently
  • Never reconnects to sub, requires reinstallation
  • Preset saving is unreliable or doesn't work
  • Bluetooth connection issues (out of range, drops)
  • Phantom BLE connection locks out other devices
Show 10 more
  • iPhone gestures interfere with app navigation (swipe up)
  • Save Preset button is not visible/executable on iPhone 14 Pro
  • Options button not showing up after selecting home screen options
  • Preset selection not properly shown on screen when swapping
  • App maintains a phantom BLE connection
  • Auto On not working
  • Amplifier plate issues
  • App resets itself on opening
  • Subwoofer not in range reported
  • Preset is set to none in the app periodically

Requested features

20 requests
  • Group subs for simultaneous adjustments
  • Mute function
  • Auto room correction
  • Widget for quick preset changes
  • Apple Watch app for adjustments
Show 15 more
  • Desktop/Mac app support
  • Language options (e.g., French)
  • Standby/Active mode indicator
  • API for home automation integration
  • Native Windows/Mac/Linux control
  • Expanded explanations for settings
  • iPad support
  • Group control for gain adjustments
  • Dropdown menu for switching between subs
  • Always-on display option
  • Automatic recognition of sealed mode
  • Support for multiple devices simultaneously
  • Net frequency response display with EQs
  • Option to go back in menus
  • Dark mode

In-app purchases

None

Harmony® Control

No in-app purchases

None

SVS

No in-app purchases

Questions

Is Harmony® Control free?
Harmony® Control is free to download, with no in-app purchases.
Is SVS free?
SVS is free to download, with no in-app purchases.
Which has better reviews, Harmony® Control or SVS?
SVS is rated higher. Harmony® Control averages 1.9 out of 5 from 2.4K ratings, while SVS averages 4.2 from 95 ratings.
Do Harmony® Control or SVS have ads?
Neither Harmony® Control nor SVS shows ads.
Which is updated more often, Harmony® Control or SVS?
Harmony® Control ships an update every 2 months, and SVS every 2 months. Most recently, Harmony® Control was updated on September 27, 2026 and SVS on September 15, 2026.

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