# Ultimate Car Audio App vs MEMPHIS COMMAND

The clearest difference is in-app purchases: MEMPHIS COMMAND at none against Ultimate Car Audio App's 6. MEMPHIS COMMAND also leads on iOS requirement (12.0 vs 15.0). Ultimate Car Audio App's advantage is update cadence (every 3 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Ultimate Car Audio App sells 6 one-off in-app purchases. MEMPHIS COMMAND asks for nothing beyond the download.

Ultimate Car Audio App ships an update every 3 days, MEMPHIS COMMAND every 4 months. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Ultimate Car Audio App | MEMPHIS COMMAND |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (79 ratings)](https://appshunter.io/ios/app/ultimate-car-audio-app/id1052058556/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 83.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 18 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Thomas VanSlambrouck](https://appshunter.io/developer/1051372112) | [AFCO INC](https://appshunter.io/developer/1059278320) |

## What reviewers say

### Ultimate Car Audio App

[App page](https://appshunter.io/ios/app/ultimate-car-audio-app/id1052058556)

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.

**Highlights:** Box enclosure design calculator, Speaker wiring impedance calculator, Subwoofer and amplifier databases, Car audio shop directory, Tone generators for tuning, Educational tutorials and FAQs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze | $1.99 | one-time |
| UCAA Pro Legacy | $2.99 | one-time |
| UCAA Pro | $4.99 | one-time |
| Silver | $4.99 | one-time |
| Gold | $9.99 | one-time |
| Diamond | $19.99 | one-time |

**What reviewers like**

- 👍 Great for DIY car audio
- 👍 Excellent for beginners and pros
- 👍 Must-have for bass heads
- 👍 Best box building app
- 👍 Accurate box calculations

**What reviewers complain about**

- 👎 Ads on purchased app
- 👎 Limited sub brands in database
- 👎 Cut sheet lacks port wall info for slot ports
- 👎 3D box feature is pointless
- 👎 Electrical calculations inaccurate

**Reported bugs**

- Ads appearing after purchase
- No sound for tone burst or sweep
- App stopped working
- Cutout sheet not available
- No preview for box design

**Requested features**

- 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


### MEMPHIS COMMAND

[App page](https://appshunter.io/ios/app/memphis-command/id6742165701)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultimate Car Audio App free?

Ultimate Car Audio App is free to download, with in-app purchases available.

### Is MEMPHIS COMMAND free?

MEMPHIS COMMAND is free to download, with no in-app purchases.

### Do Ultimate Car Audio App or MEMPHIS COMMAND have ads?

Neither Ultimate Car Audio App nor MEMPHIS COMMAND shows ads.

### Which is updated more often, Ultimate Car Audio App or MEMPHIS COMMAND?

Ultimate Car Audio App ships an update every 3 days, and MEMPHIS COMMAND every 4 months. Most recently, Ultimate Car Audio App was updated on September 13, 2026 and MEMPHIS COMMAND on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*