# STEP File Viewer vs Ego Vision

The clearest difference is in-app purchases: Ego Vision at none against STEP File Viewer's 12. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. STEP File Viewer sells 12 in-app purchases, starting at $1.99 per 7 days. Ego Vision asks for nothing beyond the download.

STEP File Viewer ships an update every 2 weeks, Ego Vision every 3 weeks. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | STEP File Viewer | Ego Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/step-file-viewer/id6755721056/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 42 MB |
| Requires iOS | 16.0 | **15** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [维 艾](https://appshunter.io/developer/1771300149) | [深圳创维新世界科技有限公司](https://appshunter.io/developer/1647324646) |

## What reviewers say

### STEP File Viewer

[App page](https://appshunter.io/ios/app/step-file-viewer/id6755721056)

View and interact with 3D CAD files like STEP and IGES. Inspect internal geometry, measure dimensions, and export models in various formats. Ideal for engineers, designers, and students needing to visualize complex designs without expensive software.

**Highlights:** 3D model viewing with pan, zoom, and rotate, Solid, shaded, and wireframe display modes, Measure dimensions and features, Section planes for internal geometry inspection, Export models to STL, OBJ, glTF, and more, Supports assembly data and PMI annotations

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Flex | $1.99 | per 7 days |
| Pro Light | $4.99 | per month |
| Pro Infinity | $19.99 | per year |
| Export as USDZ | $1.99 | one-time |
| Export as PNG | $2.99 | one-time |
| Export as OBJ | $3.99 | one-time |
| Export as STL | $3.99 | one-time |
| IGES/STEP Model Import | $3.99 | one-time |
| Projection view generation & export | $4.99 | one-time |
| Cross Section View | $4.99 | one-time |
| Exploded View | $4.99 | one-time |
| Export all formats | $15.99 | one-time |


### Ego Vision

[App page](https://appshunter.io/ios/app/ego-vision/id6773544530)

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

**In-app purchases:** none


## Frequently asked questions

### Is STEP File Viewer free?

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

### Is Ego Vision free?

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

### Do STEP File Viewer or Ego Vision have ads?

Neither STEP File Viewer nor Ego Vision shows ads.

### Which is updated more often, STEP File Viewer or Ego Vision?

STEP File Viewer ships an update every 2 weeks, and Ego Vision every 3 weeks. Most recently, STEP File Viewer was updated on October 9, 2026 and Ego Vision on October 7, 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.*