# Concrete Estimator/Calculator vs Retaining Wall Planner

The clearest difference is price: Concrete Estimator/Calculator at Free against Retaining Wall Planner's $4.99. Concrete Estimator/Calculator also leads on iOS requirement (13.0 vs 17.0). Retaining Wall Planner's advantage is ads (none vs shown) and update cadence (weekly vs every 10 months). On in-app purchases and device support there is nothing between them.

Concrete Estimator/Calculator is free to download; Retaining Wall Planner costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Concrete Estimator/Calculator ships an update every 10 months, Retaining Wall Planner weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Concrete Estimator/Calculator | Retaining Wall Planner |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/concrete-estimatorcalculator/id6736712327/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 105 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Evan Winograd](https://appshunter.io/developer/1072241944) | [光 杨](https://appshunter.io/developer/1891134953) |

## What reviewers say

### Concrete Estimator/Calculator

[App page](https://appshunter.io/ios/app/concrete-estimatorcalculator/id6736712327)

This app simplifies concrete volume calculations for construction projects. It helps determine the exact amount of concrete needed for foundations, slabs, and other structural elements by allowing easy input of dimensions in various units. Save time and reduce waste with accurate measurements.

**Highlights:** Volume calculation for concrete projects, Input dimensions in feet, inches, or metric, Accurate measurement for reduced waste, User-friendly interface, Supports foundations, slabs, and structural elements

**Features:** macOS Compatibility

**In-app purchases:** none


### Retaining Wall Planner

[App page](https://appshunter.io/ios/app/retaining-wall-planner/id6767141922)

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

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Estimator/Calculator free?

Concrete Estimator/Calculator is free to download, with no in-app purchases.

### Is Retaining Wall Planner free?

Retaining Wall Planner costs $4.99, with no in-app purchases.

### Do Concrete Estimator/Calculator or Retaining Wall Planner have ads?

Concrete Estimator/Calculator shows ads; Retaining Wall Planner does not.

### Which is updated more often, Concrete Estimator/Calculator or Retaining Wall Planner?

Concrete Estimator/Calculator ships an update every 10 months, and Retaining Wall Planner weekly. Most recently, Concrete Estimator/Calculator was updated on October 30, 2026 and Retaining Wall Planner on October 31, 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.*