Ultimate Car Audio App

Ultimate Car Audio App

#1 Car Audio/Box Building App!

87 ratings
62 reviews
Free
In-App Purchases

Price history


Details

Released
November 13, 2015
Updated
July 29, 2026

Features

Ultimate Car Audio App screenshot #1 for iPhone
Ultimate Car Audio App screenshot #2 for iPhone
Ultimate Car Audio App screenshot #3 for iPhone
Ultimate Car Audio App screenshot #4 for iPhone
Ultimate Car Audio App screenshot #5 for iPhone
Ultimate Car Audio App screenshot #6 for iPhone
Ultimate Car Audio App screenshot #7 for iPhone
Ultimate Car Audio App screenshot #8 for iPhone
Ultimate Car Audio App screenshot #9 for iPhone
iphone
ipad
🖼️Get Icon
Icons↘︎

About

This comprehensive toolkit assists car audio enthusiasts and professionals in designing enclosures, wiring speakers, and finding local shops. It offers various calculators, databases, and learning resources to enhance audio system setup and tuning.

✓Box enclosure design calculator
✓Speaker wiring impedance calculator
✓Subwoofer and amplifier databases
✓Car audio shop directory
✓Tone generators for tuning
✓Educational tutorials and FAQs
Show original description

What users say about Ultimate Car Audio App

See all reviews

What's New in Ultimate Car Audio App

8.7.3

July 29, 2026

UCAA 8.7.2 is The brand-analytics update. Every brand page gets a new Sub Engagement dashboard: weekly and monthly sub views, top-performing subs, and box builds using your gear. Approved catalog subs auto-attribute to your brand — sign up years after the community added your subs and the full history still lights up. BRAND PRO drilldown: • Per-sub 90-day trend charts • Discovery → Build conversion funnel • Category benchmark vs the anonymized market median • Rising sub detector • Geographic breakdown • Audience mix — Pro vs free vs anonymous • Discovery surfaces — where viewers came from • Community activity signals • CSV export Also new: • Own more than one shop/brand/amp-repair page — request additional pages from My Pages • All owned pages now appear on My Pages instead of only the first per type • Pro cross-device preference sync (color theme, box finishes, favorites, advanced mode) • Meta-style account switcher on login with per-card remove • Dark mode on the login, register, and forgot-password screens • Country field at signup, auto-filled from your timezone • Tappable brand and series links on every subwoofer detail page • Review analytics now shown to Brand Pro members • Behind-the-scenes reliability improvements UCAA 8.7.3 adds a social layer. Follow other users right from their public profile — follower and following counts show on every profile. Every section of your profile is now individually hideable (last name, location, socials, join date, pages, achievements, published designs, subs) with a new "Followers only" tier that reveals content just to the accounts following you. Lock your profile down to just the essentials, or open specific sections only to your followers. Photos attached to saved box designs also upload in a more efficient format now — noticeably smaller files and faster loads with no visible quality difference. Plus various reliability and quality-of-life improvements.

More
6

Subscriptions & In-App Purchases

$4.99

UCAA Pro

Unlock all premium features

User reviews

Best app on the market

Great app I use almost everyday

UCAA

So far the app is what I expected. Can’t wait to use it fully

Great app but frequency generator could use some fixes.

This app is awesome and has pretty much everything you’d need to get your car audio sounding right. My only issue is the frequency generator doesn’t work with a lot of Bluetooth stereos. Some instances I’m working on a boat with a Bluetooth streamer directly into the amp via rca, like the one from JL audio or DS18. When playing sine wave frequencies through the app via Bluetooth, it cuts in and out constantly making it hard to read the wave on an oscilloscope. I’ve had to just use other apps in this scenario but if they fixed it this would be my go to app for everything. It happens on some car stereos as well but most of those at least have the usb connection
Show more

A must for DIY car audio

This app is great. It offers all kinds of design choices. However, I purchased this app and now I’m seeing ads. I’d like to see if I can have them removed as I shouldn’t have ads on an app I purchased that previously didn’t have ads.

Awesome

Great app for the beginner and pros! Absolutely a must have for anyone who wants a great multi functional car audio design app! JW.

Developer apps

User experience

🐞

Reported Bugs

7 issues

Ads appearing after purchase

Bug

No sound for tone burst or sweep

Bug

App stopped working

Bug

Cutout sheet not available

Bug

No preview for box design

Bug

Electrical calculations inaccurate

Bug

App not updated on Apple for years

Bug
✨

Requested Features

13 requests

Remove ads from purchased app

Feature

Add more sub brands to the database

Feature

Include port wall info on cut sheets for slot ports

Feature

Improve 3D box feature

Feature

Fix inaccurate electrical calculations

Feature

Update Apple version more frequently

Feature

Add information on 4th and 6th order walls or a dedicated wall tab

Feature

Add tutorial for wiring midrange and midbass speakers to a 4 channel amp

Feature

Update cutout sheet feature

Feature

Provide more exact cutout dimensions, especially for slot ports

Feature

Add comprehensive enclosure calculation based on TSPs

Feature

Include port dimensions on cut sheets

Feature

Add cutout dimensions to the app

Feature

FAQ

What does the Ultimate Car Audio App do?

The app serves as a comprehensive toolkit for car audio enthusiasts and professionals. It provides tools for designing speaker enclosures, calculating speaker wiring configurations, accessing databases of subwoofer specifications and amplifier performance, and finding local car audio installation shops.

What are the key features of the app?

Key features include a box calculator for various enclosure types, a speaker wiring calculator to determine impedance, a cone area comparison tool, electrical calculators for power and wire sizing, tone generators for tuning, and databases for subwoofers and amp dyno results. It also includes a directory of car audio shops and learning resources like FAQs and tutorials.

Is the app free to use?

Yes, the app is free to use and is updated regularly. There is an optional upgrade to UCAA Pro, which offers an ad-free experience across the entire application.

Who is this app designed for?

This app is designed for car audio enthusiasts, installers, and professionals who need tools and information for designing, building, and tuning car audio systems. It also caters to shops and brands looking to increase their visibility.

Can I find car audio shops using this app?

Yes, the app features a directory where you can find verified car audio installation shops. You can browse shops by their specialties, location, and contact information, making it easier to find professional help for your car audio needs.