# Concrete Help vs Lumen Layout

The clearest difference is review sentiment: Concrete Help at 100% against Lumen Layout's 50%. Concrete Help also leads on rating (4.7 vs 1.0) and ratings volume (115 vs 1). Lumen Layout's advantage is update cadence (every 2 months vs every 15 months). On ads, in-app purchases and monetization model there is nothing between them.

Concrete Help costs $1.99 and Lumen Layout $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Concrete Help holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Concrete Help has 115 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Concrete Help's written reviews are positive against 50% of Lumen Layout's.

Concrete Help ships an update every 15 months, Lumen Layout every 2 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Concrete Help | Lumen Layout |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[4.7 (115 ratings)](https://appshunter.io/ios/app/concrete-help/id1006637649/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/lumen-layout/id6739475851/reviews) |
| Number of ratings | **115** | 1 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 6 MB | 5 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [The Sparky](https://appshunter.io/developer/1747077864) |

## What reviewers say

### Concrete Help

[App page](https://appshunter.io/ios/app/concrete-help/id1006637649)

Easily calculate the concrete volume needed for various shapes like holes, slabs, and tubes. Customize input and output units, and set decimal precision for accurate measurements.

**Highlights:** Calculate concrete volume for holes, slabs, and tubes, Select input units (mm, cm, m, km, inches, feet, yards, miles), Select output units (cubic mm, cm, m, km, inches, feet, yards, miles), Customize decimal place precision, Supports iPhone and iPad

**Features:** Vision Pro support

**In-app purchases:** none


### Lumen Layout

[App page](https://appshunter.io/ios/app/lumen-layout/id6739475851)

This app helps calculate pot light layouts for rooms. It offers both basic and advanced modes for quick or precise planning, providing a clear results page with light coordinates and spacing diagrams.

**Highlights:** Pot light layout calculation, Basic and advanced modes, Customizable room dimensions, Light spacing options, Results page with coordinates, Diagram for reference

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

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Help free?

Concrete Help costs $1.99, with no in-app purchases.

### Is Lumen Layout free?

Lumen Layout costs $4.99, with no in-app purchases.

### Which has better reviews, Concrete Help or Lumen Layout?

Concrete Help is rated higher. Concrete Help averages 4.7 out of 5 from 115 ratings, while Lumen Layout averages 1.0 from 1 ratings.

### Do Concrete Help or Lumen Layout have ads?

Neither Concrete Help nor Lumen Layout shows ads.

### Which is updated more often, Concrete Help or Lumen Layout?

Concrete Help ships an update every 15 months, and Lumen Layout every 2 months. Most recently, Concrete Help was updated on October 7, 2026 and Lumen Layout on October 8, 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.*