# TFTPad vs IGES & STEP Viewer

The clearest difference is review sentiment: TFTPad at 100% against IGES & STEP Viewer's 14%. TFTPad also leads on price (Free vs $6.99) and iOS requirement (6.0 vs 16.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

TFTPad is free to download; IGES & STEP Viewer costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TFTPad ships an update every 6 weeks, IGES & STEP Viewer every 2 months. The most recent releases landed on October 18, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | TFTPad | IGES & STEP Viewer |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[2.8 (9 ratings)](https://appshunter.io/ios/app/iges-and-step-viewer/id1489625660/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | **100.0% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 20 MB | 23 MB |
| Requires iOS | **6.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TFTLabs](https://appshunter.io/developer/850302437) | [Victor Bovio](https://appshunter.io/developer/327627515) |

## What reviewers say

### TFTPad

[App page](https://appshunter.io/ios/app/tftpad/id850302434)

View and interact with 3D models on your mobile device. Upload your own CAD files to a private gallery for visualization and sharing, or explore public galleries. Supports various CAD formats and offers intuitive touch controls for zooming, rotating, and panning.

**Highlights:** 3D model visualization, Intuitive touch controls, Private JSON3D Gallery, CAD file conversion, Supports multiple CAD formats, Model sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### IGES & STEP Viewer

[App page](https://appshunter.io/ios/app/iges-and-step-viewer/id1489625660)

Easily view and export 3D CAD files in IGES and STEP formats. Supports various export options and offers advanced rendering controls for detailed analysis of your models.

**Highlights:** Open IGES and STEP files, Export to multiple CAD formats (STL, DXF, OBJ, etc.), Load files from ZIP/RAR archives, Render model curves, Control rendering options (shading, transparency), Clipping plane for interior views, View model information (bounding box, area, volume)

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

**In-app purchases:** none


## Frequently asked questions

### Is TFTPad free?

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

### Is IGES & STEP Viewer free?

IGES & STEP Viewer costs $6.99, with no in-app purchases.

### Do TFTPad or IGES & STEP Viewer have ads?

Neither TFTPad nor IGES & STEP Viewer shows ads.

### Which is updated more often, TFTPad or IGES & STEP Viewer?

TFTPad ships an update every 6 weeks, and IGES & STEP Viewer every 2 months. Most recently, TFTPad was updated on October 18, 2026 and IGES & STEP Viewer on October 26, 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.*