# STEP Viewer vs CADDaddy

The clearest difference is price: STEP Viewer at Free against CADDaddy's $12.99. STEP Viewer also leads on iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

STEP Viewer is free to download; CADDaddy costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | STEP Viewer | CADDaddy |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| 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 5 days | — |
| Size | 61 MB | 22 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Smart Cube Labs Co., Ltd.](https://appshunter.io/developer/1456342688) | [Alan Agon](https://appshunter.io/developer/1866461030) |

## What reviewers say

### STEP Viewer

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

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

**In-app purchases:** none


### CADDaddy

[App page](https://appshunter.io/ios/app/caddaddy-cad-viewer/id6762544393)

**In-app purchases:** none


## Frequently asked questions

### Is STEP Viewer free?

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

### Is CADDaddy free?

CADDaddy costs $12.99, with no in-app purchases.

### Do STEP Viewer or CADDaddy have ads?

Neither STEP Viewer nor CADDaddy shows ads.

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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.*