# DWSIM Simulator vs HeatCond2D

The clearest difference is iOS requirement: DWSIM Simulator at 12.0 against HeatCond2D's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DWSIM Simulator sells 10 one-off in-app purchases and HeatCond2D sells 5 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DWSIM Simulator ships an update every 6 weeks, HeatCond2D every 3 weeks. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | DWSIM Simulator | HeatCond2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (105 ratings)](https://appshunter.io/ios/app/dwsim-simulator/id1162110266/reviews)** | — |
| Number of ratings | **105** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 106 MB | 86 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Medeiros](https://appshunter.io/developer/1091004600) | [Intellicreed Sdn. Bhd.](https://appshunter.io/developer/1735640078) |

## 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 |


### HeatCond2D

[App page](https://appshunter.io/ios/app/heatcond2d/id6737733095)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version (1 Week) | $6.99 | per 7 days |
| Pro Version (1 Month) | $24.99 | per month |
| Pro Version (3 Months) | $49.99 | per 3 months |
| Pro Version (6 Months) | $74.99 | per 6 months |
| Pro Version (1 Year) | $99.99 | per year |


## Frequently asked questions

### Is DWSIM Simulator free?

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

### Is HeatCond2D free?

HeatCond2D is free to download, with in-app purchases available.

### Do DWSIM Simulator or HeatCond2D have ads?

Neither DWSIM Simulator nor HeatCond2D shows ads.

### Which is updated more often, DWSIM Simulator or HeatCond2D?

DWSIM Simulator ships an update every 6 weeks, and HeatCond2D every 3 weeks. Most recently, DWSIM Simulator was updated on October 1, 2026 and HeatCond2D on September 17, 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.*