# STL File Viewer Pro vs DebugShare

The clearest difference is ads: DebugShare at none against STL File Viewer Pro's shown. STL File Viewer Pro's advantage is chart position (#20 vs unranked) and iOS requirement (16.6 vs 26.4). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. STL File Viewer Pro sells 3 in-app purchases, starting at $1.99 per 7 days and DebugShare sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

STL File Viewer Pro ships an update fortnightly, DebugShare every 11 days. The most recent releases landed on November 14, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | STL File Viewer Pro | DebugShare |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (83 ratings)](https://appshunter.io/ios/app/stl-file-viewer-pro/id6741022143/reviews)** | — |
| Number of ratings | **83** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#20** | — |
| Size | 16 MB | 10 MB |
| Requires iOS | **16.6** | 26.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andeesh Mehdi Syed](https://appshunter.io/developer/1676226599) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## What reviewers say

### STL File Viewer Pro

[App page](https://appshunter.io/ios/app/stl-file-viewer-pro/id6741022143)

**Currently charting:** #20 Top Grossing · Developer Tools (US App Store)

Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.

**Highlights:** Instant STL file loading, Full 360° rotation and zoom, Sharp detail rendering, Light and dark mode support, Lightweight and fast performance, Open files from Files, email, AirDrop

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Ad Free for 1 Year | $24.99 | per year |


### DebugShare

[App page](https://appshunter.io/ios/app/debugshare-screenshot-memo/id6767061742)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DebugShare Premium | $9.99 | one-time |


## Frequently asked questions

### Is STL File Viewer Pro free?

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

### Is DebugShare free?

DebugShare is free to download, with in-app purchases available.

### Do STL File Viewer Pro or DebugShare have ads?

STL File Viewer Pro shows ads; DebugShare does not.

### Which is updated more often, STL File Viewer Pro or DebugShare?

STL File Viewer Pro ships an update fortnightly, and DebugShare every 11 days. Most recently, STL File Viewer Pro was updated on November 14, 2026 and DebugShare on November 9, 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.*