# Cantilever Retaining Wall vs Simplex Optima

The clearest difference is price: Simplex Optima at $2.99 against Cantilever Retaining Wall's $14.99. Simplex Optima also leads on update cadence (every 5 days vs every 6 weeks) and iOS requirement (13.3 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Cantilever Retaining Wall costs $14.99 and Simplex Optima $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cantilever Retaining Wall ships an update every 6 weeks, Simplex Optima every 5 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | Cantilever Retaining Wall | Simplex Optima |
| --- | --- | --- |
| Price | $14.99 | **$2.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cantilever-retaining-wall/id1542309150/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Paid | — |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.0 | **13.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rab Elias](https://appshunter.io/developer/918944482) | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) |

## What reviewers say

### Cantilever Retaining Wall

[App page](https://appshunter.io/ios/app/cantilever-retaining-wall/id1542309150)

This app assists in the design and analysis of cantilever retaining walls. It performs stability evaluations for overturning, bearing, and sliding, and designs wall components for bending and shear. Comprehensive reports are generated in PDF and DXF formats.

**Highlights:** Stability evaluation (overturning, bearing, sliding), Component design (stem, heel, toe, key), Bending and shear calculations, PDF and DXF report generation, Graphic display of forces and diagrams, Reinforcement optimization

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

**In-app purchases:** none


### Simplex Optima

[App page](https://appshunter.io/ios/app/simplex-optima/id1667878232)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cantilever Retaining Wall free?

Cantilever Retaining Wall costs $14.99, with no in-app purchases.

### Is Simplex Optima free?

Simplex Optima costs $2.99, with no in-app purchases.

### Do Cantilever Retaining Wall or Simplex Optima have ads?

Neither Cantilever Retaining Wall nor Simplex Optima shows ads.

### Which is updated more often, Cantilever Retaining Wall or Simplex Optima?

Cantilever Retaining Wall ships an update every 6 weeks, and Simplex Optima every 5 days. Most recently, Cantilever Retaining Wall was updated on September 10, 2026 and Simplex Optima on September 10, 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.*