SVS vs WLED
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Advanced DSP functionality
- Room anomaly correction
- Customizable presets
- Volume control
- Low pass filter adjustment
- Parametric EQ
- Port tuning
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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.
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.
- Automatic device detection
- Centralized light list
- Software update assistant
- Customizable device names
- Hide or delete devices
- Light and dark mode
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 15, 2026 and August 12, 2026 respectively.
| Parameter | SVS | WLED |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (95 ratings) — better | 4.0 (10 ratings) |
| Positive reviews | 68.5% of reviews — better | 50.5% of reviews |
| Number of ratings | 95 — better | 10 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 34 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Specialty Technologies, LLC. | Christophe Gagnier |
Customer experience
SVS
WLED
User reviews
SVS
From 95 App Store ratingsWhat 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 ratingsWhat 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 moreShow fewer
- 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 moreShow fewer
- 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 moreShow fewer
- 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 moreShow fewer
- Timer or schedule function
In-app purchases
SVS
No in-app purchases
WLED
No in-app purchases









