# Carman Wheel Simulator vs Maddox Tech

The clearest difference is in-app purchases: Maddox Tech at none against Carman Wheel Simulator's 11. Maddox Tech also leads on update cadence (every 11 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Carman Wheel Simulator sells 9 one-off in-app purchases. Maddox Tech asks for nothing beyond the download.

Carman Wheel Simulator ships an update monthly, Maddox Tech every 11 days. The most recent releases landed on June 20, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Carman Wheel Simulator | Maddox Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/carman-wheel-simulator/id6476076430/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 89 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Guangzhou kafen Technology Co., Ltd.](https://appshunter.io/developer/1725745235) | [Maddox Technology Limited](https://appshunter.io/developer/1895096810) |

## What reviewers say

### Carman Wheel Simulator

[App page](https://appshunter.io/ios/app/carman-wheel-simulator/id6476076430)

Visualize and preview car wheel and caliper modifications with realistic effects. Adjust settings like brightness and contrast for an authentic look before making changes to your vehicle.

**Highlights:** Real-time wheel modification preview, Over 400 wheel options from 20+ brands, Caliper modification preview, Adjustable wheel settings (brightness, contrast, color temperature), Realistic visual effects, Simple operation

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| key | $0.29 | one-time |
| 钥匙 | $0.49 | one-time |
| Newcomer Pack | $0.89 | one-time |
| Primary Pack | $4.49 | one-time |
| Intermediate Pack | $7.89 | one-time |
| Advanced Pack | $10.49 | one-time |
| Upgrade to PRO | $11.00 | one-time |
| VIP | $18.49 | one-time |
| PRO | $29.90 | one-time |


### Maddox Tech

[App page](https://appshunter.io/ios/app/maddox-tech/id6762958042)

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

**In-app purchases:** none


## Frequently asked questions

### Is Carman Wheel Simulator free?

Carman Wheel Simulator is free to download, with in-app purchases available.

### Is Maddox Tech free?

Maddox Tech is free to download, with no in-app purchases.

### Do Carman Wheel Simulator or Maddox Tech have ads?

Neither Carman Wheel Simulator nor Maddox Tech shows ads.

### Which is updated more often, Carman Wheel Simulator or Maddox Tech?

Carman Wheel Simulator ships an update monthly, and Maddox Tech every 11 days. Most recently, Carman Wheel Simulator was updated on June 20, 2026 and Maddox Tech on September 11, 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.*