# Quick STL Viewer vs Wheel Builder

The clearest difference is price: Quick STL Viewer at Free against Wheel Builder's $2.99. Quick STL Viewer also leads on update cadence (every 6 days vs every 2 weeks). Wheel Builder's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Quick STL Viewer is free to download; Wheel Builder costs $2.99 up front. Quick STL Viewer sells 3 in-app purchases, starting at $0.99 per 7 days. Wheel Builder asks for nothing beyond the download.

Quick STL Viewer ships an update every 6 days, Wheel Builder every 2 weeks. The most recent releases landed on September 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Quick STL Viewer | Wheel Builder |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/quick-stl-viewer/id6761406893/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 3 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KEAT MEN TANG](https://appshunter.io/developer/1886302384) | [Brian Vess](https://appshunter.io/developer/1896773207) |

## What reviewers say

### Quick STL Viewer

[App page](https://appshunter.io/ios/app/quick-stl-viewer/id6761406893)

Instantly open and preview 3D STL files with a smooth, responsive interface. Explore models by rotating and zooming, switch to wireframe mode, and customize colors for better visibility. This app offers a distraction-free viewing experience for checking models or print details on the go.

**Highlights:** Instant STL file opening, Smooth 3D model exploration, Rotate and zoom functionality, Wireframe mode for mesh details, Customizable object and background colors, No account required

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan Weekly | $0.99 | per 7 days |
| Pro Plan Yearly | $17.99 | per year |
| Quick STL Viewer Lifetime | $29.99 | one-time |


### Wheel Builder

[App page](https://appshunter.io/ios/app/wheel-builder/id6771167138)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quick STL Viewer free?

Quick STL Viewer is free to download, with in-app purchases available.

### Is Wheel Builder free?

Wheel Builder costs $2.99, with no in-app purchases.

### Do Quick STL Viewer or Wheel Builder have ads?

Neither Quick STL Viewer nor Wheel Builder shows ads.

### Which is updated more often, Quick STL Viewer or Wheel Builder?

Quick STL Viewer ships an update every 6 days, and Wheel Builder every 2 weeks. Most recently, Quick STL Viewer was updated on September 23, 2026 and Wheel Builder on October 16, 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.*