# 4QT ERP vs CAD Reader & Editor

The clearest difference is in-app purchases: 4QT ERP at none against CAD Reader & Editor's 1. 4QT ERP also leads on update cadence (every 2 weeks vs every 3 months). CAD Reader & Editor's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. CAD Reader & Editor sells 1 one-off in-app purchase. 4QT ERP asks for nothing beyond the download.

4QT ERP ships an update every 2 weeks, CAD Reader & Editor every 3 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 4QT ERP | CAD Reader & Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/cad-reader-and-editor/id6756293140/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 46 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [4th Quarter Technologies](https://appshunter.io/developer/1191926067) | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) |

## What reviewers say

### 4QT ERP

[App page](https://appshunter.io/ios/app/4qt-erp/id6705124892)

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

**In-app purchases:** none


### CAD Reader & Editor

[App page](https://appshunter.io/ios/app/cad-reader-and-editor/id6756293140)

View, edit, and manage CAD drawings on your mobile device. This app provides essential tools for engineers, architects, and construction professionals to work with CAD files on the go, offering features like precise DXF opening, shape addition, and conversion to PDF or image formats.

**Highlights:** Open DXF formats with high precision, Add lines, shapes, text, and layers, Convert drawings to PDF or image formats, Seamless navigation of complex drawings, Save and access recent files and edits, On-site viewing and quick markups

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


## Frequently asked questions

### Is 4QT ERP free?

4QT ERP is free to download, with no in-app purchases.

### Is CAD Reader & Editor free?

CAD Reader & Editor is free to download, with in-app purchases available.

### Do 4QT ERP or CAD Reader & Editor have ads?

Neither 4QT ERP nor CAD Reader & Editor shows ads.

### Which is updated more often, 4QT ERP or CAD Reader & Editor?

4QT ERP ships an update every 2 weeks, and CAD Reader & Editor every 3 months. Most recently, 4QT ERP was updated on October 24, 2026 and CAD Reader & Editor on October 12, 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.*