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Best I Loud Sub Apps

52+ iOS apps curated and reviewed

4.0 avg rating
18 free apps
Updated May 2026

Every iPhone needs a few good i loud sub apps. We benchmark 52+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for I Loud Sub

Speaker Box Lite#1

Speaker Box Lite by Alexey Abdulin

Subwoofer box calculation
Editor's Choice
๐Ÿ”ง Utilities
4.1๐Ÿ˜(337 ratings)
FreeAdsIn-App Purchases
Speaker Box Lite screenshot 1
Speaker Box Lite screenshot 2
Speaker Box Lite screenshot 3
Speaker Box Lite screenshot 4
Speaker Box Lite screenshot 5
Speaker Box Lite screenshot 6

Speaker Box Lite is an app for calculating subwoofer box volumes with advanced features for acoustic system enthusiasts. It supports various enclosure calculations, generates box parameters, and offers a shared online speaker database for user contributions. Subscribe to the PRO-Account for extended features and offline access to the database. Leave reviews and feedback to enhance the community experience.

What We Love

  • ๐Ÿ“Š Comprehensive graphing and visualization tools
  • ๐Ÿ’พ Extensive speaker driver database with TS parameters
  • ๐Ÿ“ Accurate enclosure calculations for sealed and ported boxes
  • โœ‚๏ธ Automatic cut list generation for DIY building

Room to Improve

  • ๐Ÿ’ฐ Expensive subscription model ($5-7/month or 400 rubles)
  • ๐Ÿšซ Limited free version functionality
  • ๐Ÿ› Frequent crashes and stability issues
Water Eject - Clear Wave +#3

Water Eject - Clear Wave + by CBD APPLICATIONS SRL

Powerful sonic sound waves
Worth Considering
๐Ÿ”ง Utilities
4.5๐Ÿ˜ž(6.6K ratings)
FreeIn-App Purchases
Water Eject - Clear Wave + screenshot 1
Water Eject - Clear Wave + screenshot 2
Water Eject - Clear Wave + screenshot 3
Water Eject - Clear Wave + screenshot 4
Water Eject - Clear Wave + screenshot 5

Create powerful and clean sound waves with this app. Enhance your speaker output and generate waves for perfect sound. Subscribe for full access to all features. Enjoy the ultimate sound experience!

What We Love

  • ๐Ÿš€ Effective at removing water from speakers
  • โฑ๏ธ Quick and easy to use

Room to Improve

  • ๐Ÿ’ฐ Requires paid subscription to access features
  • ๐Ÿšซ Many features locked behind paywall
  • ๐Ÿคฌ Deceptive marketing and false advertising

More I Loud Sub apps to explore

4
ELAC SUB Control 2.0
ELAC SUB Control 2.0
ELAC SUB Control 2.0
by ELAC Americas Inc.
Free
๐Ÿ”ง Utilities
(34)
5
Volume Control Pro
Volume Control Pro
Volume Control Pro
Set & save exact volume levels
Free

Set individual volume levels for different apps on your device with ease. Enhance your audio experience by customizing volume settings for each app separately. Download now to take full control of your device's sound settings.

๐ŸŽต Music
(2.2K)
6
SUB Control
SUB Control
SUB Control
by ELAC Americas Inc.
Free

This app serves as a remote control for specific ELAC subwoofer models, allowing users to manage their devices wirelessly. Download the app to easily control your subwoofer's functions with your mobile device.

๐ŸŽต Music
(22)
7
Sub Remote Control
Sub Remote Control
Sub Remote Control
by Dayton Audio
Free
๐ŸŽต Music
(1)
8
Decibel Meter dB (Sound Meter)
Decibel Meter dB (Sound Meter)
Decibel Meter dB (Sound Meter)
Noise Level Analyzer + Measure
Free

An advanced Sound Level Analyser application that measures sound volume in decibels, providing real-time readings with a volume value timeline and calibration settings for device microphones. It includes an Apple Watch feature for measuring sound volume independently of an iPhone. Experience precise sound measurements with this app - download now!

๐Ÿ”ง Utilities
(1.2K)
9
Omni Sub
Omni Sub
Omni Sub
app for audio Engineers
$19.99

This acoustical simulation tool helps audio engineers analyze source interaction at low frequencies and design sub arrays, such as Cardioid and end-fired configurations. Try simulating and optimizing your subwoofer setup for improved sound quality.

๐Ÿ”ง Utilities
(3)
10
Volume Increaser: Bass Booster
Volume Increaser: Bass Booster
Volume Increaser: Bass Booster
Loud Speaker, Volume Booster
Free

Enhance your music listening experience with a powerful volume booster app that delivers crystal-clear sound, deep bass, and stereo surround effects. Download now to elevate your audio game and enjoy music like never before. Explore more at [application website].

๐ŸŽต Music
(222)
11
Elac SUB Control 3000 Series
Elac SUB Control 3000 Series
Elac SUB Control 3000 Series
by ELAC Americas Inc.
Free
๐Ÿ”ง Utilities
(1)
12
Google
Google
Google
Search with AI, Images & Text
Free

Search with AI, Images, Voice, and Text. Unlock a powerful search engine that uses artificial intelligence to provide accurate results based on images, voice commands, and text inputs. Experience smarter, more intuitive search capabilities at your fingertips.

๐Ÿ”ง Utilities
(4.7M)
13
YouTube
YouTube
YouTube
Videos, Music and Live Streams
Free

Watch, listen, and stream videos, music, and live content on this app. Explore trending topics, connect with creators, and create your own content on any device. Join the YouTube community and support favorite creators with channel memberships.

๐Ÿ“ท Photo & Video
(48M)
14
Instagram
Instagram
Instagram
Videos, creators & friends
Free

Capture life's moments with this social platform that lets you connect with friends, share memories, and explore interests through photos and videos. Join now to start sharing your world.

๐Ÿ“ท Photo & Video
(29M)
15
Reddit
Reddit
Reddit
Rejoins la discussion Reddit
Free

A social forum app connecting users worldwide, allowing for discussions on diverse topics, sharing news, and engaging with communities. Join now to explore and participate in endless conversations!

๐Ÿ“ก News
(15K)
16
Apple Wallet
Apple Wallet
Apple Wallet
Apple Pay, Apple Card and more
Free

An app that consolidates important items like credit cards, IDs, tickets, and more on your iPhone, promoting easy and secure payments in stores or online using Apple Pay, offering features like Apple Pay Later and Apple Card for simplified transactions and management.

๐Ÿ’ฐ Finance
(6.7M)
17
Bass & Volume Booster - BassUp
Bass & Volume Booster - BassUp
Bass & Volume Booster - BassUp
Music Equalizer. Sound Boost
Free

Elevate your audio experience with this music equalizer app that boosts volume and bass, offering customizable equalizer settings for a personalized listening experience. Download now to amplify your music, podcasts, and videos.

๐ŸŽต Music
(353)
18
Music Booster: Louder Volume
Music Booster: Louder Volume
Music Booster: Louder Volume
Increase Volume, Sound Booster
Free

Elevate your audio experience with this powerful app that boosts volume and enhances sound quality, allowing you to enjoy louder, clearer audio and deeper bass. Download now to experience high-quality sound anywhere, with flexible subscription options available.

๐ŸŽต Music
(66)
19
Bass Booster - Volume Booster
Bass Booster - Volume Booster
Bass Booster - Volume Booster
Speaker Booster Sound Booster
Free

This application offers a top-tier audio playback experience with customizable sound adjustment features, including bass boost, volume boost, and equalizer, allowing users to personalize their music experience in various environments and genres. With support for multiple audio formats and intuitive interface, users can enjoy high-quality audio and a unique listening experience on-the-go.

๐ŸŽต Music
(92)
20
Max & Louder Volume Booster
Max & Louder Volume Booster
Max & Louder Volume Booster
Speaker Sound Amplifier EQ
Free

Max is a versatile productivity app that combines task management, calendar scheduling, and team collaboration into one seamless platform. Stay organized, manage your schedule efficiently, and collaborate with your team effortlessly. Try Max now to supercharge your productivity!

๐ŸŒŸ Lifestyle
(749)

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