Ultimate Car Audio App vs EZY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ultimate Car Audio App
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
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UCAA — Ultimate Car Audio App is the all-in-one toolkit for car audio enthusiasts, installers, and professionals. Whether you're designing an enclosure, wiring speakers, or looking for a shop near you, UCAA has you covered. CALCULATORS & TOOLS - Box Calculator — Design sealed, ported, bandpass, and slot-ported enclosures - Speaker Wiring — Find the right impedance for any wiring configuration - Cone Area — Compare driver combinations (two 10s vs one 15, etc.) - Electrical Calculators — Power, wattage, and wire sizing - dB Power — Calculate sound pressure levels - Ohm's Law — Voltage, current, and resistance - Tone Generators — Test tones for tuning and rattle hunting DATABASES - Subwoofer Database — Thiele-Small specs and box recommendations for hundreds of drivers - Amp Dyno Results — Real-world power measurements vs. rated specs DIRECTORY - Find a Shop — Browse verified car audio installation shops with specialties, location, and contact info - Browse Brands — Discover car audio manufacturers and their profiles LEARN - FAQs — Common walls, HPF/LPF, subsonic filters, strapped amps, and more - Tutorials — Step-by-step how-to guides - Industry News — Latest car audio news from around the web UCAA PRO Upgrade to UCAA Pro for an ad-free experience across the entire app. FOR SHOPS & BRANDS Own a car audio shop or represent a brand? Create your page on UCAA and get discovered by enthusiasts in your area. Shop Pro members get enhanced visibility and a full gallery. Built for the community. Free to use. Updated regularly.
EZY
Refine your car audio system with advanced DSP technology for unparalleled clarity and depth. This app offers sophisticated tools to meticulously adjust every aspect of your sound, compensating for vehicle interior distortions to achieve audio perfection.
- Ezy DSP technology
- Sophisticated audio refinement tools
- Compensates for vehicle interior distortions
- Achieve audio perfection
- Unparalleled clarity and depth
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This application is meticulously crafted for connoisseurs of automotive and boasts the exclusive Ezy DSP technology. Elevating your car audio experience to unprecedented heights, it empowers you with an array of sophisticated tools to meticulously refine every nuance of your audio system. Through the precision of its DSP audio processor, it adeptly compensates for any distortions introduced by your vehicle's interior, delivering an unparalleled sonic landscape where music is sculpted to perfection. Indulge in a symphony of unparalleled clarity and depth, where every note is rendered with exquisite detail, presenting a stage of auditory splendor before you. Effortlessly achieving audio nirvana has never been more attainable. EZY-DSP APP BELONG DOWN4SOUNDSHOP
Screenshots
Verdict
The clearest difference is in-app purchases: EZY at none against Ultimate Car Audio App's 6. EZY also leads on iOS requirement (11.0 vs 15.0). Ultimate Car Audio App's advantage is update cadence (every 3 days vs every 4 months) and ratings volume (79 vs 9). On price, rating, ads and device support 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. Ultimate Car Audio App sells 6 one-off in-app purchases. EZY asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.2 for Ultimate Car Audio App against 4.3 for EZY. That said, the two scores are not equally well evidenced: Ultimate Car Audio App has 79 ratings behind it against 9, so its average is the more settled of the two.
Ultimate Car Audio App ships an update every 3 days, EZY every 4 months. The most recent releases landed on September 13, 2026 and August 4, 2026 respectively.
| Parameter | Ultimate Car Audio App | EZY |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (79 ratings) | 4.3 (9 ratings) — better |
| Positive reviews | 83.1% of reviews | — |
| Number of ratings | 79 — better | 9 |
| Update frequency | Every 3 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | Thomas VanSlambrouck | EZY AUDIOPARTS LLC |
Customer experience
Ultimate Car Audio App
EZY
Bugs and requests
Ultimate Car Audio App
Reported bugs
7 issues- Ads appearing after purchase
- No sound for tone burst or sweep
- App stopped working
- Cutout sheet not available
- No preview for box design
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- Electrical calculations inaccurate
- App not updated on Apple for years
Requested features
13 requests- Remove ads from purchased app
- Add more sub brands to the database
- Include port wall info on cut sheets for slot ports
- Improve 3D box feature
- Fix inaccurate electrical calculations
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- Update Apple version more frequently
- Add information on 4th and 6th order walls or a dedicated wall tab
- Add tutorial for wiring midrange and midbass speakers to a 4 channel amp
- Update cutout sheet feature
- Provide more exact cutout dimensions, especially for slot ports
- Add comprehensive enclosure calculation based on TSPs
- Include port dimensions on cut sheets
- Add cutout dimensions to the app
EZY
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ultimate Car Audio App
- Bronze$1.99
- UCAA Pro Legacy$2.99
- UCAA Pro$4.99
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- Silver$4.99
- Gold$9.99
- Diamond$19.99
EZY
No in-app purchases
Questions
Is Ultimate Car Audio App free?
Is EZY free?
Which has better reviews, Ultimate Car Audio App or EZY?
Do Ultimate Car Audio App or EZY have ads?
Which is updated more often, Ultimate Car Audio App or EZY?
Other comparisons
