# Sketchalyze vs Slope Calculator Plus

The clearest difference is price: Sketchalyze at Free against Slope Calculator Plus's $2.99. Sketchalyze also leads on iOS requirement (15.6 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Sketchalyze is free to download; Slope Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sketchalyze ships an update every 13 months, Slope Calculator Plus every 23 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sketchalyze | Slope Calculator Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 23 months |
| Monetization | Free | — |
| Size | 15 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Duy Truong](https://appshunter.io/developer/1257007296) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## 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


### Slope Calculator Plus

[App page](https://appshunter.io/ios/app/slope-calculator-plus/id1627653061)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sketchalyze free?

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

### Is Slope Calculator Plus free?

Slope Calculator Plus costs $2.99, with no in-app purchases.

### Do Sketchalyze or Slope Calculator Plus have ads?

Neither Sketchalyze nor Slope Calculator Plus shows ads.

### Which is updated more often, Sketchalyze or Slope Calculator Plus?

Sketchalyze ships an update every 13 months, and Slope Calculator Plus every 23 months. Most recently, Sketchalyze was updated on November 1, 2026 and Slope Calculator Plus on November 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.*