# Apprendestructo 1 vs GraFon

The clearest difference is update cadence: Apprendestructo 1 at every 15 months against GraFon's every 46 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.

Apprendestructo 1 ships an update every 15 months, GraFon every 46 months. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Apprendestructo 1 | GraFon |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 46 months |
| Monetization | Free | — |
| Size | 376 MB | 281 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maria del Carmen Ramos Nava](https://appshunter.io/developer/1049044591) | [Alejandro Ortiz Berrocal](https://appshunter.io/developer/1573603109) |

## What reviewers say

### Apprendestructo 1

[App page](https://appshunter.io/ios/app/apprendestructo-1/id1303773969)

Learn about compression in short columns and bi-articular arches. Test your structural engineering skills by determining element resistance to support loads without overspending or collapse. Unlock augmented reality views of real architectural projects upon completion.

**Highlights:** Learn compression in short columns, Study bi-articular arches, Test structural resistance, Optimize cost and stability, Augmented reality architectural models, Tutorials and practice exercises

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GraFon

[App page](https://appshunter.io/ios/app/grafon/id1573603107)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Apprendestructo 1 free?

Apprendestructo 1 is free to download, with no in-app purchases.

### Is GraFon free?

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

### Do Apprendestructo 1 or GraFon have ads?

Neither Apprendestructo 1 nor GraFon shows ads.

### Which is updated more often, Apprendestructo 1 or GraFon?

Apprendestructo 1 ships an update every 15 months, and GraFon every 46 months. Most recently, Apprendestructo 1 was updated on October 11, 2026 and GraFon on October 17, 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.*