Kicker U vs SEMAShow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kicker U
Access a mobile-audio installation toolbox with this app. Design and build custom enclosures, assist with subwoofer wiring, and utilize various calculators for port conversion and tuning frequency. Save Thiele-Small parameters to create custom boxes for any driver.
- Mobile audio installation knowledge
- Custom enclosure design
- Subwoofer wiring assistance
- Port conversion calculator
- Tuning frequency calculator
- Thiele-Small parameter saving
Read full descriptionHide full 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.
SEMAShow
Navigate the SEMA Show with this official app. Discover exhibitors, view floorplans, get directions, and stay updated on schedules, events, and celebrity appearances. Enhance your experience with an interactive product scanner and social media integration.
- Exhibitor lists
- Interactive floorplans
- Turn-by-turn directions
- Event schedules
- Product scanner
- Social media integration
Read full descriptionHide full description
The 2026 SEMA Show takes place November 3-6, 2026 at the Las Vegas Convention Center in fabulous Las Vegas, NV. The event connects the global automotive aftermarket with the latest innovations, ideas, and experiences. Download the official app to navigate the Show like a pro, complete with exhibitor lists, floorplans, turn-by-turn directions, schedules of education, events, and celebrity appearances, transportation options, an interactive product scanner, social media jumps and so much more. A love for cars, trucks and SUVs is the motivating force behind the Specialty Equipment Market Association (SEMA), the organizer of the SEMA Show. Learn more and get involved at SEMA.org.
Screenshots
Verdict
The clearest difference is price: SEMAShow at Free against Kicker U's $3.99. SEMAShow also leads on rating (3.5 vs 2.3). Kicker U's advantage is review sentiment (42% vs 25%) and chart position (#89 vs unranked). On ratings volume, update cadence, ads and in-app purchases 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
SEMAShow is free to download; Kicker U costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SEMAShow holds the better App Store score, 3.5 against 2.3. Both are backed by a comparable volume of ratings — 49 and 26 respectively. Written reviews complicate that: 42% of Kicker U's written reviews are positive against 25% of SEMAShow's, so the app with the better star average is not the one people write more warmly about.
Kicker U ships an update every 3 weeks, SEMAShow every 5 weeks. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.
| Parameter | Kicker U | SEMAShow |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 2.3 (49 ratings) | 3.5 (26 ratings) — better |
| Positive reviews | 41.9% of reviews — better | 25.0% of reviews |
| Number of ratings | 49 — better | 26 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Best chart rank | #89 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 87 MB | 120 MB |
| Age rating | 4+ | 17+ |
| Developer | Kicker | SPECIALTY EQUIPMENT MARKET ASSOCIATION & PERFORMANCE RACING, INC. |
Customer experience
Kicker U
SEMAShow
Bugs and requests
Kicker U
Reported bugs
32 issues- App crashes on opening driver manages and box building
- App crashes on iOS 18.6
- App consistently freezes
- Sine sweep quit working
- App shuts down when selecting box builder
Show 27 moreShow fewer
- App kicks user out when trying to manage drives
- App force closes when trying to save a box
- App force closes when entering specs
- App keeps closing out when opened
- App crashes when loading saved enclosures
- Tone generator crashes the app
- Saved box builds crash the app
- Custom subwoofer specs not working
- App doesn't show ports in box template
- White text on light grey screen is unreadable
- Colors make numbers unreadable
- Airspace calculator hard to understand
- Frequency generator issues
- Saved boxes crash the app
- Tone generator not working
- App crashes when trying to use tone generator
- App shuts down when trying to save an enclosure
- App doesn't work with custom speakers
- App doesn't calculate real boxes
- App doesn't give order for measurements in custom box builder
- App doesn't show cut list for ports
- App doesn't allow customization of box dimensions
- App doesn't show what to put in each box field
- App doesn't have BL or MMS for Kicker products
- App not compatible with iPhone OS
- App doesn't work with iPhone 5
- App doesn't work with iPhone 6/6+
Requested features
12 requests- Add back button
- Include newer sub models (L7T, L7S, Solo X)
- Improve color contrast/readability
- Add port and vent visualization in box builder
- Generate more box templates
Show 7 moreShow fewer
- Allow adjustment of specs for recommendations
- Add downfiring enclosure option
- Add amp specs
- Support for more than 2 woofers
- Support for different material thicknesses (5/8, 1/2)
- Allow customization of box dimensions
- Add a mini forum for help
SEMAShow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Kicker U
No in-app purchases
SEMAShow
No in-app purchases
