# DWSIM Simulator vs QorEng

The clearest difference is price: DWSIM Simulator at Free against QorEng's $9.99. QorEng's advantage is in-app purchases (none vs 10). On ads, device support and iOS requirement there is nothing between them.

DWSIM Simulator is free to download; QorEng costs $9.99 up front. DWSIM Simulator sells 10 one-off in-app purchases. QorEng asks for nothing beyond the download.

## The numbers

| Metric | DWSIM Simulator | QorEng |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.7 (107 ratings)](https://appshunter.io/ios/app/dwsim-simulator/id1162110266/reviews)** | — |
| Number of ratings | **107** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 106 MB | 68 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Daniel Medeiros](https://appshunter.io/developer/1091004600) | [Pikolab Arastirma Gelistirme ve Ileri Teknolojiler Ltd. Sti.](https://appshunter.io/developer/1869852735) |

## What reviewers say

### DWSIM Simulator

[App page](https://appshunter.io/ios/app/dwsim-simulator/id1162110266)

This app provides a powerful offline chemical process simulation tool. It allows engineers to build complex process models, perform thermodynamic calculations, and analyze various unit operations. Features include a touch-enabled PFD interface, extensive compound databases, and advanced calculation engines.

**Highlights:** Offline chemical process simulation, Touch-enabled PFD drawing interface, Extensive thermodynamic models, Compound database for 1500+ compounds, Unit operation models, Chemical reaction and reactor support, Flowsheet parametric studies

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| User-Defined Unit Set | $1.99 | one-time |
| Flowsheet Utilities Pack | $2.99 | one-time |
| Unit Operations Pack 1 | $2.99 | one-time |
| Unit Operations Pack 2 | $2.99 | one-time |
| Unit Operations Pack 3 | $2.99 | one-time |
| Activity Coeff. Model Pack | $3.99 | one-time |
| Equation of State Model Pack | $3.99 | one-time |
| Reactor Models Pack | $4.99 | one-time |
| Unlock All Features | $9.99 | one-time |
| Unlock All Features | $39.99 | one-time |


### QorEng

[App page](https://appshunter.io/ios/app/qoreng/id6757946624)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DWSIM Simulator free?

DWSIM Simulator is free to download, with in-app purchases available.

### Is QorEng free?

QorEng costs $9.99, with no in-app purchases.

### Do DWSIM Simulator or QorEng have ads?

Neither DWSIM Simulator nor QorEng shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*