---
title: "Kicker U - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Subwoofer school’s in session! You’ve now enrolled into KICKER U, where you have instant access to a toolbox of mobile-audio installation knowledge. Let KICKER U help you design and build custom enclo"
---

# Kicker U — United States

![Kicker U App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple115/v4/a0/91/37/a09137f3-0b47-2c79-4750-5a27cd2511d9/AppIcon-0-1x_U007emarketing-0-7-0-0-85-220.png/434x0w.png)

**Developer:** [Stillwater Designs & Audio](https://apptail.io/developer/stillwater-designs-audio-nmpd)
**Category:** Reference
**Rating:** 2.3/5 (51 ratings)
**Price:** $3.99
**Bundle ID:** com.kicker.kickerU
**Store:** Apple App Store
**Country:** United States
**Version:** 3.1.11 (released 2021-08-19)
**Original Release:** 2011-02-14
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id418548755)
**AppTail Page:** [https://apptail.io/app/kicker-u-Ybae/united-states](https://apptail.io/app/kicker-u-Ybae/united-states)

## Kicker U Description
Subwoofer school’s in session! You’ve now enrolled into KICKER U, where you have instant access to a toolbox of mobile-audio installation knowledge. Let KICKER U help you design and build custom enclosures and assist with wiring subwoofers. 

This version contains calculators for converting your port from round to slot or vice versa, calculate the tuning frequency of your existing enclosure as well as the ability to enter and save Thiele-Small parameters to create boxes for any driver you own along with many other features.

## Kicker U Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/e8/96/67/e89667b5-50c8-010f-034f-b3fedad743ad/pr_source.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/43/5f/11/435f1116-c43c-73d2-4eee-2d3bd0273405/pr_source.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/38/58/7c/38587ca6-483f-9408-18f8-890c6e7f6b48/pr_source.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/fe/2f/db/fe2fdb07-3f1c-2f12-6435-18e41edc8f4a/pr_source.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/ac/2a/96/ac2a9658-cf7f-a14f-5969-927ff4ee3a76/pr_source.png/1242x2688.png)

## Kicker U Rating Breakdown in United States
- 5 stars: 8 (16%)
- 4 stars: 5 (10%)
- 3 stars: 6 (12%)
- 2 stars: 5 (10%)
- 1 stars: 27 (53%)

## Kicker U Reviews in United States

### ***-- "To Go Back On Pages You Need to Swipe"
It's shows in you in the app. Pretty self explanatory.
-- Dappersons, 2025-05-07

### *---- "Frustrating App"
I was hoping for a useful program to examine different changes in speaker and enclosure variables.  This application consistently freezes and provides frustration and no answers.  Highly disappointing support for a company that clouts it over 50 years old.  That is a lot of time to potentially figure things out, or not!
-- OU812Nixkname, 2025-01-02

### *---- "No updates in 3 years"
I didn’t realize that there haven’t been any updates in 3 years. The app doesn’t have the L7T as an option so it does me no good. What a waste.
-- Jasonlykins, 2024-12-16

### *---- "Trash"
This app is horrible. Whatever section you pick there is no back button, you need to force close the app and reopen it to pick another section. The tone generator section lists start tone, end tone and seconds so you can build your own sweep tests but you cannot change any setting except the first start tone. I can’t believe I paid $3.99 for this garbage. I bought two 12” solo baric 750w L7s and a custom mega cab ground shaker box and wanted to play with some of the options in this app but kicker obviously hasn’t tested this app out on a new iPhone 16 pro max.
-- gawkgawk, 2024-11-28

### ***-- "Needs improvement"
When will the new Solo x be added to this? Other than that app does what it needs to
-- Iam_Me17, 2024-08-10

### *---- "I like kicker not the app"
Whe i try to go to manage drives the app kicks me out the worst 3 dollars spent
-- Erik Zuniga, 2024-06-09

### *---- "Pretty bad"
No back button. Have to force close the app to go back a screen. Not worth the money.
-- The D4782040, 2024-05-19

### ****- "Needs update"
Yall ever plan on adding some of the newer subs? Like the L7T and L7S series? Also, I’d really like to see the box builder include options for designing a downfiring enclosure. I realize that this app hasn’t been updated for 2 years at the time of this review, but hopefully yall continue to maintain it.
-- dboy.stein, 2024-01-29

### *---- "Garbage. Don’t waste your time and money"
Garbage. Don’t waste your time and money
-- Mike W77, 2023-07-28

### *---- "Disappointing"
I’ve been buying kicker since the 1st round solo baric came out and I’ve competed with them. In the past 5 years I’ve purchased 5 kicker subs and 2 amps. So far I’ve been pretty disappointed in all of these purchases. So I decided to try one more time. (I’m pretty brand loyal like that). I ordered a 12” L7R from crutchfield. Awaiting its arrival. And I downloaded this app to design the box for it. The disappointment continues. This app was a complete waste. I agree with the previous reviews regarding the ports and vents. Where are they? And the colors are also a pretty bad choice. Please get it together kicker. There’s a lot of new stuff out there in the car audio market and Stillwater designs seem to be falling behind.
-- Jasonr570, 2023-02-25

[View all Kicker U reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)


## Kicker U Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Canada | Reference | #45 |
| Top Paid | Dominican Republic | Reference | #60 |
| Top Paid | Mexico | Reference | #71 |
| Top Paid | Ecuador | Reference | #81 |
| Top Paid | South Africa | Reference | #99 |
| Top Paid | Norway | Reference | #102 |
| Top Paid | Philippines | Reference | #124 |
| Top Paid | Australia | Reference | #128 |
| Top Paid | Sweden | Reference | #130 |
| Top Paid | Thailand | Reference | #134 |
| Top Paid | Finland | Reference | #138 |
| Top Paid | New Zealand | Reference | #150 |
| Top Paid | Indonesia | Reference | #153 |
| Top Paid | Colombia | Reference | #158 |
| Top Paid | Netherlands | Reference | #161 |
| Top Paid | United States | Reference | #166 |
| Top Paid | Romania | Reference | #174 |
| Top Paid | Malaysia | Reference | #199 |
| Top Paid | India | Reference | #200 |
| Top Paid | Greece | Reference | #201 |
| Top Paid | Russia | Reference | #202 |
| Top Paid | Chile | Reference | #205 |
| Top Paid | Türkiye | Reference | #216 |
| Top Paid | Brazil | Reference | #224 |
| Top Paid | Austria | Reference | #237 |
| Top Paid | Israel | Reference | #239 |

## Kicker U Discovered Keywords
- kicker u

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## Kicker U Available In
- [United States](https://apptail.io/app/kicker-u-Ybae/united-states)
- [Canada](https://apptail.io/app/kicker-u-Ybae/canada)
- [Australia](https://apptail.io/app/kicker-u-Ybae/australia)
- [Mexico](https://apptail.io/app/kicker-u-Ybae/mexico)
- [India](https://apptail.io/app/kicker-u-Ybae/india)
- [Germany](https://apptail.io/app/kicker-u-Ybae/germany)
- [Sweden](https://apptail.io/app/kicker-u-Ybae/sweden)
- [Malaysia](https://apptail.io/app/kicker-u-Ybae/malaysia)
- [Thailand](https://apptail.io/app/kicker-u-Ybae/thailand)
- [Ukraine](https://apptail.io/app/kicker-u-Ybae/ukraine)
- [China](https://apptail.io/app/kicker-u-Ybae/china)
- [New Zealand](https://apptail.io/app/kicker-u-Ybae/new-zealand)
- [South Africa](https://apptail.io/app/kicker-u-Ybae/south-africa)
- [Romania](https://apptail.io/app/kicker-u-Ybae/romania)
- [Russia](https://apptail.io/app/kicker-u-Ybae/russia)
- [Spain](https://apptail.io/app/kicker-u-Ybae/spain)
- [Finland](https://apptail.io/app/kicker-u-Ybae/finland)
- [Croatia](https://apptail.io/app/kicker-u-Ybae/croatia)
- [Hungary](https://apptail.io/app/kicker-u-Ybae/hungary)
- [Indonesia](https://apptail.io/app/kicker-u-Ybae/indonesia)
- [Ireland](https://apptail.io/app/kicker-u-Ybae/ireland)
- [Israel](https://apptail.io/app/kicker-u-Ybae/israel)
- [Iceland](https://apptail.io/app/kicker-u-Ybae/iceland)
- [Jamaica](https://apptail.io/app/kicker-u-Ybae/jamaica)
- [Jordan](https://apptail.io/app/kicker-u-Ybae/jordan)
- [Japan](https://apptail.io/app/kicker-u-Ybae/japan)
- [Kenya](https://apptail.io/app/kicker-u-Ybae/kenya)
- [South Korea](https://apptail.io/app/kicker-u-Ybae/south-korea)
- [Kazakhstan](https://apptail.io/app/kicker-u-Ybae/kazakhstan)
- [Sri Lanka](https://apptail.io/app/kicker-u-Ybae/sri-lanka)
- [Luxembourg](https://apptail.io/app/kicker-u-Ybae/luxembourg)
- [United Arab Emirates](https://apptail.io/app/kicker-u-Ybae/united-arab-emirates)
- [Malta](https://apptail.io/app/kicker-u-Ybae/malta)
- [Namibia](https://apptail.io/app/kicker-u-Ybae/namibia)
- [Netherlands](https://apptail.io/app/kicker-u-Ybae/netherlands)
- [Norway](https://apptail.io/app/kicker-u-Ybae/norway)
- [Philippines](https://apptail.io/app/kicker-u-Ybae/philippines)
- [Saudi Arabia](https://apptail.io/app/kicker-u-Ybae/saudi-arabia)
- [Singapore](https://apptail.io/app/kicker-u-Ybae/singapore)
- [Slovenia](https://apptail.io/app/kicker-u-Ybae/slovenia)
- [Slovakia](https://apptail.io/app/kicker-u-Ybae/slovakia)
- [Vietnam](https://apptail.io/app/kicker-u-Ybae/vietnam)
- [Latvia](https://apptail.io/app/kicker-u-Ybae/latvia)
- [Armenia](https://apptail.io/app/kicker-u-Ybae/armenia)
- [Argentina](https://apptail.io/app/kicker-u-Ybae/argentina)
- [Barbados](https://apptail.io/app/kicker-u-Ybae/barbados)
- [Belgium](https://apptail.io/app/kicker-u-Ybae/belgium)
- [Bulgaria](https://apptail.io/app/kicker-u-Ybae/bulgaria)
- [Bahrain](https://apptail.io/app/kicker-u-Ybae/bahrain)
- [Brunei](https://apptail.io/app/kicker-u-Ybae/brunei)
- [Switzerland](https://apptail.io/app/kicker-u-Ybae/switzerland)
- [Chile](https://apptail.io/app/kicker-u-Ybae/chile)
- [Cyprus](https://apptail.io/app/kicker-u-Ybae/cyprus)
- [Denmark](https://apptail.io/app/kicker-u-Ybae/denmark)
- [Dominican Republic](https://apptail.io/app/kicker-u-Ybae/dominican-republic)
- [Ecuador](https://apptail.io/app/kicker-u-Ybae/ecuador)
- [Estonia](https://apptail.io/app/kicker-u-Ybae/estonia)
- [Oman](https://apptail.io/app/kicker-u-Ybae/oman)

---

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