Comparison

SVS vs WLED

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

Head to head
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.

About

WLED

Control and manage all your WLED light devices from your iPhone or iPad. This companion app works with the open-source WLED software for microcontrollers, offering automatic device detection, customizable names, and software update assistance.

Highlights
  • Automatic device detection
  • Centralized light list
  • Software update assistant
  • Customizable device names
  • Hide or delete devices
  • Light and dark mode
Features
Read full description

With the WLED app, you can easily and efficiently manage and control all your WLED light devices from your iPhone or iPad. This is a companion app for the free and open source WLED software for ESP8266/32 microcontrollers. WLED automatically detects and updates the device list, and offers customizable names, a hide or delete feature, and a light and dark mode. It can also help you install new software updates to your devices. Plus, it supports both phones and tablets. Main Features: - Automatic device detection (mDNS) - All lights are accessible from one list - Software Update Assistant - Custom names - Hide or delete devices - Light and dark mode

Screenshots

SVS4 screens
WLED4 screens

Verdict

The call

SVS and WLED both sit at 4.2 stars, but that hides the real split: 68% of SVS's written reviews are positive against 51% of WLED's. SVS also leads on ratings volume (95 vs 10) and iOS requirement (13.0 vs 16.0). On price, rating, update cadence and ads 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 4.0. That said, the two scores are not equally well evidenced: SVS has 95 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 68% of SVS's written reviews are positive against 51% of WLED's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 15, 2026 and August 12, 2026 respectively.

Scorecard3 real differences · 7 level
SVS versus WLED: the parameters behind the verdict, then further details
ParameterSVSWLED
PriceFreeFree
Rating4.2 (95 ratings) — better4.0 (10 ratings)
Positive reviews68.5% of reviews — better50.5% of reviews
Number of ratings95 — better10
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size34 MB3 MB
Age rating4+4+
DeveloperSpecialty Technologies, LLC.Christophe Gagnier

Customer experience

SVS

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

WLED

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews95 reviews
Positive50.5%
Neutral7.4%
Negative42.1%

User reviews

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

WLED

From 10 App Store ratings

What we love

  • 👍 Works flawlessly for some
  • 👍 Free and does the job
  • 👍 Great for managing multiple devices
  • 👍 Responsive and stable (for some)
  • 👍 Cleaner and modern UI

Room to improve

  • 🐛 Connectivity issues
  • 🐛 Randomly turns on/off
  • 🐛 Not user friendly
  • 🐛 Glitchy and poorly built
  • 🐛 Flickering lights after update

Bugs and requests

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

WLED

Reported bugs

42 issues
  • Unable to connect to LEDs
  • Lights randomly turn on
  • Connectivity issues, needs re-pairing
  • App doesn't work, glitchy
  • Brightness control issues
Show 37 more
  • Lights flicker after update
  • Cannot find discover lights option
  • Not connected to iPhone, setup issues
  • App won't load, vanishes
  • None of my devices show up
  • Shows up blank, manual add only
  • No longer finds WLED devices
  • App doesn't work, no devices showing
  • Confusing app, turns off
  • App is unusable after update, errors
  • App stopped picking up signal
  • Only connects when at home
  • Doesn't pick up esp8266
  • Sound react option missing
  • Time and macros section not working
  • Update won't update
  • Goes offline from time to time
  • Update breaks app, beta works
  • Drops connection, cannot adjust lights
  • Latest release freezes, unstable wifi
  • Loading WLED UI stuck
  • Inconsistent connection after new update
  • Lost all config after update
  • Lost all presets after update
  • Devices missing and disappearing
  • Update ruined everything, random disconnects
  • App constantly crashes, won't load
  • Stopped working after update
  • New upgrade feature killed device
  • Inconsistent, can't find boards
  • Cannot connect lights, IP address doesn't work
  • Missing schedule function
  • App doesn't work at all
  • Doesn't work properly with WLED 0.14
  • App won't allow changing anything, freezes
  • Hidden devices reappear
  • App goes offline and never connects again

Requested features

6 requests
  • User-friendly interface
  • Simple interface with advanced option
  • Widget features for Home Screen
  • Sound react option
  • Remote control when away from WiFi
Show 1 more
  • Timer or schedule function

In-app purchases

None

SVS

No in-app purchases

None

WLED

No in-app purchases

Questions

Is SVS free?
SVS is free to download, with no in-app purchases.
Is WLED free?
WLED is free to download, with no in-app purchases.
Which has better reviews, SVS or WLED?
SVS is rated higher. SVS averages 4.2 out of 5 from 95 ratings, while WLED averages 4.0 from 10 ratings.
Do SVS or WLED have ads?
Neither SVS nor WLED shows ads.
Which is updated more often, SVS or WLED?
SVS ships an update every 2 months, and WLED every 2 months. Most recently, SVS was updated on September 15, 2026 and WLED on August 12, 2026.

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