# Cam To PDF vs STEP Viewer

The clearest difference is price: STEP Viewer at Free against Cam To PDF's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

STEP Viewer is free to download; Cam To PDF costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cam To PDF ships an update every 10 days, STEP Viewer every 5 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Cam To PDF | STEP Viewer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/step-viewer/id6756539299/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | — | Free |
| Size | 2 MB | 61 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdussamet KOCAOGLAN](https://appshunter.io/developer/1792616890) | [Smart Cube Labs Co., Ltd.](https://appshunter.io/developer/1456342688) |

## What reviewers say

### Cam To PDF

[App page](https://appshunter.io/ios/app/cam-to-pdf/id6744414298)

**Features:** macOS Compatibility

**In-app purchases:** none


### STEP Viewer

[App page](https://appshunter.io/ios/app/step-viewer/id6756539299)

View and interact with 3D CAD files directly on your mobile device. Measure dimensions, rotate, zoom, and save models in a common format without needing desktop software.

**Highlights:** Open STEP files from file manager, 3D model measurement tools, Six fixed views, Pinch to zoom, pan, and rotate, Save as GLB, Progress indicator for large files, Multilingual support

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

**In-app purchases:** none


## Frequently asked questions

### Is Cam To PDF free?

Cam To PDF costs $0.99, with no in-app purchases.

### Is STEP Viewer free?

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

### Do Cam To PDF or STEP Viewer have ads?

Neither Cam To PDF nor STEP Viewer shows ads.

### Which is updated more often, Cam To PDF or STEP Viewer?

Cam To PDF ships an update every 10 days, and STEP Viewer every 5 days. Most recently, Cam To PDF was updated on October 30, 2026 and STEP Viewer on October 30, 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.*