# AutoCAD IRef vs DoE Toolkit

The clearest difference is price: AutoCAD IRef at Free against DoE Toolkit's $9.99. AutoCAD IRef also leads on iOS requirement (5.1 vs 14.5). DoE Toolkit's advantage is device support (3 vs 1). On update cadence, ads and in-app purchases there is nothing between them.

AutoCAD IRef is free to download; DoE Toolkit costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AutoCAD IRef ships an update every 23 months, DoE Toolkit every 21 months. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AutoCAD IRef | DoE Toolkit |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[1.9 (9 ratings)](https://appshunter.io/ios/app/autocad-iref/id426032009/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 21 months** |
| Monetization | Free | — |
| Size | 8 MB | 13 MB |
| Requires iOS | **5.1** | 14.5 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Cheetah Solutions, Inc.](https://appshunter.io/developer/325304068) | [Kal-El Software](https://appshunter.io/developer/394174930) |

## What reviewers say

### AutoCAD IRef

[App page](https://appshunter.io/ios/app/autocad-iref/id426032009)

This app serves as a comprehensive reference guide for AutoCAD 2011 commands. It provides detailed information to help users navigate and utilize the software's features effectively.

**Highlights:** AutoCAD 2011 command reference, Interactive guide, Comprehensive companion

**Features:** macOS Compatibility

**In-app purchases:** none


### DoE Toolkit

[App page](https://appshunter.io/ios/app/doe-toolkit/id1608415467)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AutoCAD IRef free?

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

### Is DoE Toolkit free?

DoE Toolkit costs $9.99, with no in-app purchases.

### Do AutoCAD IRef or DoE Toolkit have ads?

Neither AutoCAD IRef nor DoE Toolkit shows ads.

### Which is updated more often, AutoCAD IRef or DoE Toolkit?

AutoCAD IRef ships an update every 23 months, and DoE Toolkit every 21 months. Most recently, AutoCAD IRef was updated on October 22, 2026 and DoE Toolkit on October 9, 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.*