# Sketchalyze vs Eng Fluids

The clearest difference is iOS requirement: Eng Fluids at 9.0 against Sketchalyze's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 13 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Sketchalyze | Eng Fluids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/sketchalyze/id704472004/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | Every 13 months |
| Monetization | Free | — |
| Size | 15 MB | 21 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duy Truong](https://appshunter.io/developer/1257007296) | [Kurt Gramoll](https://appshunter.io/developer/782218116) |

## What reviewers say

### Sketchalyze

[App page](https://appshunter.io/ios/app/sketchalyze/id704472004)

This app allows users to sketch and analyze structural systems directly on their iPad. It provides instant visualization of analysis results like deformations and section forces, performing finite element analysis in the background. Users can define cross-sections, apply loads, and visualize results for linear and nonlinear analyses.

**Highlights:** Sketch structural systems, Instant analysis results visualization, Finite element analysis, Tabulated and user-defined cross sections, Truss and beam element types, Linear and nonlinear analysis, Load-deflection curves

**Features:** macOS Compatibility

**In-app purchases:** none


### Eng Fluids

[App page](https://appshunter.io/ios/app/eng-fluids/id1540624295)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sketchalyze free?

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

### Is Eng Fluids free?

Eng Fluids is free to download, with no in-app purchases.

### Do Sketchalyze or Eng Fluids have ads?

Neither Sketchalyze nor Eng Fluids shows ads.

### Which is updated more often, Sketchalyze or Eng Fluids?

Sketchalyze ships an update every 13 months, and Eng Fluids every 13 months. Most recently, Sketchalyze was updated on September 13, 2026 and Eng Fluids on September 21, 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.*