# RedX Decks vs Siding Calculator Pro

The clearest difference is rating: RedX Decks at 4.3 against Siding Calculator Pro's 3.0. RedX Decks also leads on ratings volume (537 vs 4). Siding Calculator Pro's advantage is update cadence (daily vs every 10 days) and iOS requirement (13.4 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. RedX Decks sells 9 in-app purchases, starting at $6.99 per month and Siding Calculator Pro sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

RedX Decks holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: RedX Decks has 537 ratings behind it against 4, so its average is the more settled of the two.

RedX Decks ships an update every 10 days, Siding Calculator Pro daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | RedX Decks | Siding Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (537 ratings)](https://appshunter.io/ios/app/redx-decks-3d-deck-builder/id6474487367/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/siding-calculator-pro/id6758004489/reviews) |
| Number of ratings | **537** | 4 |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 177 MB | 2 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RedX Technology Inc](https://appshunter.io/developer/835492291) | [Anna Filobok](https://appshunter.io/developer/1613515832) |

## What reviewers say

### 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 |


### Siding Calculator Pro

[App page](https://appshunter.io/ios/app/siding-calculator-pro/id6758004489)

This tool simplifies siding calculations by instantly converting between imperial and metric units. It calculates wall and gable areas, accounts for doors and windows, and estimates material costs. Users can also convert currencies and determine siding material based on various dimensions.

**Highlights:** Real-time unit conversion (imperial/metric), Instant area calculation for walls and gables, Deducts areas for doors and windows, Estimates material cost per square, Integrated currency converter, Supports multiple input and output units

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per 7 days |
| Premium Access | $1.99 | per month |
| Premium Access | $5.99 | per year |


## Frequently asked questions

### Is RedX Decks free?

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

### Is Siding Calculator Pro free?

Siding Calculator Pro is free to download, with in-app purchases available.

### Which has better reviews, RedX Decks or Siding Calculator Pro?

RedX Decks is rated higher. RedX Decks averages 4.3 out of 5 from 537 ratings, while Siding Calculator Pro averages 3.0 from 4 ratings.

### Do RedX Decks or Siding Calculator Pro have ads?

Neither RedX Decks nor Siding Calculator Pro shows ads.

### Which is updated more often, RedX Decks or Siding Calculator Pro?

RedX Decks ships an update every 10 days, and Siding Calculator Pro daily. Most recently, RedX Decks was updated on October 24, 2026 and Siding Calculator Pro on October 24, 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.*