# STL File Viewer Pro vs Point on Image Coordinate Tool

The clearest difference is in-app purchases: Point on Image Coordinate Tool at none against STL File Viewer Pro's 3. STL File Viewer Pro's advantage is iOS requirement (16.6 vs 18.4). On price, update cadence, ads and chart position 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. Point on Image Coordinate Tool asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | STL File Viewer Pro | Point on Image Coordinate Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (81 ratings)](https://appshunter.io/ios/app/stl-file-viewer-pro/id6741022143/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#62** | #147 |
| Size | 16 MB | 11 MB |
| Requires iOS | **16.6** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andeesh Mehdi Syed](https://appshunter.io/developer/1676226599) | [Masashi Kawakami](https://appshunter.io/developer/729354347) |

## What reviewers say

### STL File Viewer Pro

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

**Currently charting:** #62 Top Grossing · Developer Tools, #173 Top Free · 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 |


### Point on Image Coordinate Tool

[App page](https://appshunter.io/ios/app/point-on-image-coordinate-tool/id6792205062)

**Currently charting:** #147 Top Grossing · Developer Tools (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is STL File Viewer Pro free?

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

### Is Point on Image Coordinate Tool free?

Point on Image Coordinate Tool is free to download, with no in-app purchases.

### Do STL File Viewer Pro or Point on Image Coordinate Tool have ads?

Both STL File Viewer Pro and Point on Image Coordinate Tool show ads.

### Which is updated more often, STL File Viewer Pro or Point on Image Coordinate Tool?

STL File Viewer Pro ships an update fortnightly, and Point on Image Coordinate Tool fortnightly. Most recently, STL File Viewer Pro was updated on October 28, 2026 and Point on Image Coordinate Tool on October 25, 2026.

### Which is more popular, STL File Viewer Pro or Point on Image Coordinate Tool?

STL File Viewer Pro currently peaks at #62 in the App Store charts, and Point on Image Coordinate Tool at #147. Chart position reflects recent download velocity rather than total install base.

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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.*