# Sketchalyze vs HelixPlot

The clearest difference is update cadence: HelixPlot at fortnightly against Sketchalyze's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Sketchalyze ships an update every 13 months, HelixPlot fortnightly. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sketchalyze | HelixPlot |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 15 MB | 12 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duy Truong](https://appshunter.io/developer/1257007296) | [Yonghun Kim](https://appshunter.io/developer/1851972427) |

## 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


### HelixPlot

[App page](https://appshunter.io/ios/app/helixplot/id6757285741)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sketchalyze free?

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

### Is HelixPlot free?

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

### Do Sketchalyze or HelixPlot have ads?

Neither Sketchalyze nor HelixPlot shows ads.

### Which is updated more often, Sketchalyze or HelixPlot?

Sketchalyze ships an update every 13 months, and HelixPlot fortnightly. Most recently, Sketchalyze was updated on October 1, 2026 and HelixPlot on October 7, 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.*