# STL Viewer vs Store24K

The clearest difference is price: Store24K at Free against STL Viewer's $0.99. Store24K also leads on in-app purchases (none vs 5) and iOS requirement (15.6 vs 17.0). On update cadence, ads and device support there is nothing between them.

Store24K is free to download; STL Viewer costs $0.99 up front. STL Viewer sells 5 in-app purchases, starting at $2.99 per month. Store24K asks for nothing beyond the download.

STL Viewer ships an update every 4 weeks, Store24K fortnightly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | STL Viewer | Store24K |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stl-viewer-3d-mesh/id6445801487/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Paid | — |
| Size | 5 MB | 37 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Felipe Marques de Barros](https://appshunter.io/developer/1459294806) | [Cixcent technologies](https://appshunter.io/developer/1589999509) |

## What reviewers say

### STL Viewer

[App page](https://appshunter.io/ios/app/stl-viewer-3d-mesh/id6445801487)

View, explore, and edit 3D models on your iPhone or iPad. Basic viewing is included with purchase, with optional upgrades for advanced creation, editing, and reporting features. Models are processed locally for privacy.

**Highlights:** Open and view STL files, Rotate, pan, and zoom models, Basic model information inspection, Create and edit 3D models, Measure distances and angles, Export to multiple file formats, Generate local PDF reports

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STL Viewer Pro Mensal | $2.99 | per month |
| STL Viewer Studio Mensal | $5.99 | per month |
| STL Viewer Pro Anual | $22.99 | per year |
| STL Viewer Studio Anual | $49.99 | per year |
| STL Viewer Pro Vitalício | $39.99 | one-time |


### Store24K

[App page](https://appshunter.io/ios/app/store24k/id6747888233)

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

**In-app purchases:** none


## Frequently asked questions

### Is STL Viewer free?

STL Viewer costs $0.99, and also offers in-app purchases.

### Is Store24K free?

Store24K is free to download, with no in-app purchases.

### Do STL Viewer or Store24K have ads?

Neither STL Viewer nor Store24K shows ads.

### Which is updated more often, STL Viewer or Store24K?

STL Viewer ships an update every 4 weeks, and Store24K fortnightly. Most recently, STL Viewer was updated on November 6, 2026 and Store24K on November 5, 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.*