# DWSIM Simulator vs Küçük Adımlar

The clearest difference is in-app purchases: Küçük Adımlar at none against DWSIM Simulator's 10. DWSIM Simulator's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DWSIM Simulator sells 10 one-off in-app purchases. Küçük Adımlar asks for nothing beyond the download.

DWSIM Simulator ships an update every 6 weeks, Küçük Adımlar every 3 months. The most recent releases landed on September 13, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | DWSIM Simulator | Küçük Adımlar |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 106 MB | 22 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Medeiros](https://appshunter.io/developer/1091004600) | [Bengu Engudar](https://appshunter.io/developer/1631550902) |

## 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 |


### Küçük Adımlar

[App page](https://appshunter.io/ios/app/kucuk-admlar/id1631550900)

**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 Küçük Adımlar free?

Küçük Adımlar is free to download, with no in-app purchases.

### Do DWSIM Simulator or Küçük Adımlar have ads?

Neither DWSIM Simulator nor Küçük Adımlar shows ads.

### Which is updated more often, DWSIM Simulator or Küçük Adımlar?

DWSIM Simulator ships an update every 6 weeks, and Küçük Adımlar every 3 months. Most recently, DWSIM Simulator was updated on September 13, 2026 and Küçük Adımlar on May 16, 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.*