# AutoCAD IRef vs NORO

The clearest difference is review sentiment: NORO at 100% against AutoCAD IRef's 10%. NORO also leads on device support (3 vs 1). AutoCAD IRef's advantage is update cadence (every 23 months vs every 66 months) and iOS requirement (5.1 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AutoCAD IRef ships an update every 23 months, NORO every 66 months. The most recent releases landed on October 23, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | AutoCAD IRef | NORO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (9 ratings)](https://appshunter.io/ios/app/autocad-iref/id426032009/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 10.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 66 months |
| Monetization | Free | Free |
| Size | 8 MB | 52 MB |
| Requires iOS | **5.1** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Digital Cheetah Solutions, Inc.](https://appshunter.io/developer/325304068) | [NORO GmbH](https://appshunter.io/developer/901278858) |

## 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


### NORO

[App page](https://appshunter.io/ios/app/noro/id901278855)

Access 3D CAD data for a standard product range of pipes, mouldings, and distribution systems. Engineers and project managers can view models for steel and chromium-nickel steel components directly on mobile devices.

**Highlights:** 3D CAD data access, Standard product range, Pipes, mouldings, distribution systems, Steel and chromium-nickel steel, Compatible with major CAD systems, Mobile device access

**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 NORO free?

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

### Do AutoCAD IRef or NORO have ads?

Neither AutoCAD IRef nor NORO shows ads.

### Which is updated more often, AutoCAD IRef or NORO?

AutoCAD IRef ships an update every 23 months, and NORO every 66 months. Most recently, AutoCAD IRef was updated on October 23, 2026 and NORO on October 3, 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.*