# Silencer Shop vs FLEX Racing

The clearest difference is rating: FLEX Racing at 5.0 against Silencer Shop's 3.1. FLEX Racing also leads on iOS requirement (14.0 vs 16.4). Silencer Shop's advantage is ratings volume (134 vs 1) and update cadence (every 5 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FLEX Racing holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Silencer Shop has 134 ratings behind it against 1, so its average is the more settled of the two.

Silencer Shop ships an update every 5 weeks, FLEX Racing every 3 months. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Silencer Shop | FLEX Racing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (134 ratings)](https://appshunter.io/ios/app/silencer-shop/id1145575576/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flex-racing/id6463780324/reviews)** |
| Number of ratings | **134** | 1 |
| Positive reviews | 27.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 89 MB | 161 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Silencer Shop](https://appshunter.io/developer/1145575575) | [FLEX Racing Industries LLC](https://appshunter.io/developer/1704976624) |

## What reviewers say

### Silencer Shop

[App page](https://appshunter.io/ios/app/silencer-shop/id1145575576)

This app acts as a mobile companion for a specialized kiosk system, enabling users to take compliant passport photos, locate nearby dealers, and manage suppressor purchase orders and registration details directly from their smartphone.

**Highlights:** ATF-compliant photo capture, Kiosk locator, Registration and profile review, Order status tracking, Invoice downloads

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy process for suppressors
- 👍 Good for basic status updates
- 👍 Smooth experience with kiosks
- 👍 Fast ATF approvals (sometimes)
- 👍 User-friendly tech (sometimes)

**What reviewers complain about**

- 🐛 App is nearly unusable
- 🐛 Impossible to speak to someone
- 🐛 Poor customer service
- 🐛 App is terrible
- 🐛 Useless app

**Reported bugs**

- App allows no screenshots
- App shows missing info that website says is complete
- App issues entering data into fields
- App issues editing data
- Keyboard won't show up

**Requested features**

- Ability to shop from the app
- See uploaded and approved Form 4s
- Widget for iPad
- Ability to track NFA items like account tab online
- Update kiosk locations


### FLEX Racing

[App page](https://appshunter.io/ios/app/flex-racing/id6463780324)

This app offers a personalized platform for motorsports enthusiasts to design and order custom apparel and graphics. It streamlines the entire process, from initial design collaboration to secure document signing and order tracking.

**Highlights:** Custom design collaboration, Order tracking, Access past project files, Photo and video sharing with designers, Digital document signing, Secure project storage, Real-time calls and video messaging

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Silencer Shop free?

Silencer Shop is free to download, with no in-app purchases.

### Is FLEX Racing free?

FLEX Racing is free to download, with no in-app purchases.

### Which has better reviews, Silencer Shop or FLEX Racing?

FLEX Racing is rated higher. Silencer Shop averages 3.1 out of 5 from 134 ratings, while FLEX Racing averages 5.0 from 1 ratings.

### Do Silencer Shop or FLEX Racing have ads?

Neither Silencer Shop nor FLEX Racing shows ads.

### Which is updated more often, Silencer Shop or FLEX Racing?

Silencer Shop ships an update every 5 weeks, and FLEX Racing every 3 months. Most recently, Silencer Shop was updated on October 29, 2026 and FLEX Racing on October 12, 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.*