# Concrete Calculator Plus vs RedX Decks

The clearest difference is review sentiment: Concrete Calculator Plus at 97% against RedX Decks's 31%. Concrete Calculator Plus also leads on rating (4.8 vs 4.3) and in-app purchases (none vs 10). RedX Decks's advantage is ads (none vs shown) and update cadence (every 11 days vs monthly). On price and device support there is nothing between them.

Both are free to download. RedX Decks sells 9 in-app purchases, starting at $6.99 per month. Concrete Calculator Plus asks for nothing beyond the download.

Concrete Calculator Plus holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Concrete Calculator Plus has 26K ratings behind it against 537, so its average is the more settled of the two. Written reviews point the same way: 97% of Concrete Calculator Plus's written reviews are positive against 31% of RedX Decks's.

Concrete Calculator Plus ships an update monthly, RedX Decks every 11 days. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Concrete Calculator Plus | RedX Decks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26K ratings)](https://appshunter.io/ios/app/concrete-calculator-plus/id1494386815/reviews)** | [4.3 (537 ratings)](https://appshunter.io/ios/app/redx-decks-3d-deck-builder/id6474487367/reviews) |
| Number of ratings | **26K** | 537 |
| Positive reviews | **97.2% of reviews** | 30.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 33 MB | 177 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calc Hub, LLC](https://appshunter.io/developer/1494386814) | [RedX Technology Inc](https://appshunter.io/developer/835492291) |

## What reviewers say

### Concrete Calculator Plus

[App page](https://appshunter.io/ios/app/concrete-calculator-plus/id1494386815)

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

**Highlights:** 15 concrete estimation calculators, Estimates cubic yards or bags, Calculates material costs, Supports various shapes (slabs, walls, columns), Estimates rebar and gravel needs, Converts between units (inches, feet, meters)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Accurate calculations
- 🚀 Convenient for on-the-go use
- 🚀 Helpful for various projects
- 👍 Straightforward and simple

**What reviewers complain about**

- 🔍 Limited features (no cost calculation, no 50 lb bag option)
- 📱 Issues with display on some devices

**Reported bugs**

- Occasional loading issues
- Difficulty reading total results on some devices

**Requested features**

- Finisher block cost calculation
- Support for 50 lb concrete bag sizes


### RedX Decks

[App page](https://appshunter.io/ios/app/redx-decks-3d-deck-builder/id6474487367)

Design and visualize complex deck structures, including roofs and stairs, with automatic framing and structural calculations. Generate professional, permit-ready blueprints and detailed material lists for efficient construction.

**Highlights:** 3D deck and roof design, Automatic framing layouts, Structural calculations, Permit-ready blueprints, Material and cut lists, 3D visualization and renders

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedX Decks Pro | $6.99 | per month |
| RedX Apps Pro++ Monthly | $9.99 | per month |
| RedX Decks Pro | $59.99 | per year |
| RedX Apps Pro++ | $59.99 | per year |
| RedX Decks Pro | $69.99 | per year |
| RedX Apps Bundle | $179.99 | per year |
| 20 Render Credits | $9.99 | one-time |
| 100 Render Credits | $29.99 | one-time |
| 200 Render Credits | $44.99 | one-time |


## Frequently asked questions

### Is Concrete Calculator Plus free?

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

### Is RedX Decks free?

RedX Decks is free to download, with in-app purchases available.

### Which has better reviews, Concrete Calculator Plus or RedX Decks?

Concrete Calculator Plus is rated higher. Concrete Calculator Plus averages 4.8 out of 5 from 26K ratings, while RedX Decks averages 4.3 from 537 ratings.

### Do Concrete Calculator Plus or RedX Decks have ads?

Concrete Calculator Plus shows ads; RedX Decks does not.

### Which is updated more often, Concrete Calculator Plus or RedX Decks?

Concrete Calculator Plus ships an update monthly, and RedX Decks every 11 days. Most recently, Concrete Calculator Plus was updated on October 28, 2026 and RedX Decks on October 27, 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.*