# DWSIM Simulator vs Mathpix Snip

The clearest difference is in-app purchases: Mathpix Snip at none against DWSIM Simulator's 10. Mathpix Snip also leads on review sentiment (76% vs 57%). DWSIM Simulator's advantage is iOS requirement (12.0 vs 15.6). 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. Mathpix Snip asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for DWSIM Simulator against 4.5 for Mathpix Snip. Both are backed by a comparable volume of ratings — 105 and 141 respectively. Written reviews are what separate them: 57% of DWSIM Simulator's written reviews are positive against 76% of Mathpix Snip's.

DWSIM Simulator ships an update every 6 weeks, Mathpix Snip every 5 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DWSIM Simulator | Mathpix Snip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (105 ratings)](https://appshunter.io/ios/app/dwsim-simulator/id1162110266/reviews)** | [4.5 (141 ratings)](https://appshunter.io/ios/app/mathpix-snip/id1445642260/reviews) |
| Number of ratings | 105 | **141** |
| Positive reviews | 57.1% of reviews | **76.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 106 MB | 53 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Medeiros](https://appshunter.io/developer/1091004600) | [Mathpix](https://appshunter.io/developer/1075870729) |

## 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 |


### Mathpix Snip

[App page](https://appshunter.io/ios/app/mathpix-snip/id1445642260)

Transform handwritten notes and PDFs into editable, searchable documents. Convert images of equations into various formats like LaTeX. Sync your work across devices for seamless access.

**Highlights:** Handwriting to editable Markdown, Convert equations to LaTeX, Searchable PDF creation, Cross-device syncing, Export to DOCX, LaTeX, Overleaf

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DWSIM Simulator free?

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

### Is Mathpix Snip free?

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

### Which has better reviews, DWSIM Simulator or Mathpix Snip?

DWSIM Simulator is rated higher. DWSIM Simulator averages 4.6 out of 5 from 105 ratings, while Mathpix Snip averages 4.5 from 141 ratings.

### Do DWSIM Simulator or Mathpix Snip have ads?

Neither DWSIM Simulator nor Mathpix Snip shows ads.

### Which is updated more often, DWSIM Simulator or Mathpix Snip?

DWSIM Simulator ships an update every 6 weeks, and Mathpix Snip every 5 weeks. Most recently, DWSIM Simulator was updated on October 1, 2026 and Mathpix Snip on October 7, 2026.

---

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