# DWSIM Simulator vs Anoc Octave Editor

The clearest difference is monetization model: DWSIM Simulator at free against Anoc Octave Editor's free with in-app purchases. DWSIM Simulator also leads on iOS requirement (12.0 vs 18.6). Anoc Octave Editor's advantage is review sentiment (82% vs 57%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. DWSIM Simulator sells 10 one-off in-app purchases and Anoc Octave Editor sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for DWSIM Simulator against 4.6 for Anoc Octave Editor. Both are backed by a comparable volume of ratings — 105 and 37 respectively. Written reviews are what separate them: 57% of DWSIM Simulator's written reviews are positive against 82% of Anoc Octave Editor's.

DWSIM Simulator ships an update every 6 weeks, Anoc Octave Editor every 3 weeks. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DWSIM Simulator | Anoc Octave Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (105 ratings)](https://appshunter.io/ios/app/dwsim-simulator/id1162110266/reviews) | [4.6 (37 ratings)](https://appshunter.io/ios/app/anoc-octave-editor/id1453896073/reviews) |
| Number of ratings | **105** | 37 |
| Positive reviews | 57.1% of reviews | **81.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 106 MB | 27 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Medeiros](https://appshunter.io/developer/1091004600) | [Verbosus.com](https://appshunter.io/developer/560869166) |

## 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 |


### Anoc Octave Editor

[App page](https://appshunter.io/ios/app/anoc-octave-editor/id1453896073)

Create and manage Octave projects on your iOS device. Generate results and plots using an online editor. Offers local and cloud modes with features like syntax highlighting and Git integration.

**Highlights:** Octave project creation and management, Online result and plot generation, Local and Cloud modes, Dropbox and Box synchronization, Git integration, Syntax highlighting and line numbers, Assistive keyboard and hotkeys

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade: Subscription | $3.99 | per month |
| Upgrade: Forever | $8.99 | one-time |


## Frequently asked questions

### Is DWSIM Simulator free?

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

### Is Anoc Octave Editor free?

Anoc Octave Editor is free to download, with in-app purchases available.

### Which has better reviews, DWSIM Simulator or Anoc Octave Editor?

DWSIM Simulator and Anoc Octave Editor are both rated 4.6 out of 5 on the App Store, from 105 and 37 ratings respectively.

### Do DWSIM Simulator or Anoc Octave Editor have ads?

Neither DWSIM Simulator nor Anoc Octave Editor shows ads.

### Which is updated more often, DWSIM Simulator or Anoc Octave Editor?

DWSIM Simulator ships an update every 6 weeks, and Anoc Octave Editor every 3 weeks. Most recently, DWSIM Simulator was updated on September 13, 2026 and Anoc Octave Editor on September 14, 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.*