# Federgraph vs Sketchalyze

Federgraph and Sketchalyze are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Federgraph ships an update every 15 months, Sketchalyze every 13 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Federgraph | Sketchalyze |
| --- | --- | --- |
| 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 15 months | **Every 13 months** |
| Monetization | — | Free |
| Size | 29 MB | 15 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Schubert](https://appshunter.io/developer/670940970) | [Duy Truong](https://appshunter.io/developer/1257007296) |

## What reviewers say

### Federgraph

[App page](https://appshunter.io/ios/app/federgraph/id670940947)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Federgraph free?

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

### Is Sketchalyze free?

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

### Do Federgraph or Sketchalyze have ads?

Neither Federgraph nor Sketchalyze shows ads.

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

Federgraph ships an update every 15 months, and Sketchalyze every 13 months. Most recently, Federgraph was updated on September 9, 2026 and Sketchalyze on September 13, 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.*