# Rafter Help vs RedX Decks

The clearest difference is price: RedX Decks at Free against Rafter Help's $1.99. RedX Decks also leads on update cadence (every 10 days vs every 5 months). Rafter Help's advantage is in-app purchases (none vs 10) and rating (4.5 vs 4.3). On ratings volume, ads and device support there is nothing between them.

RedX Decks is free to download; Rafter Help costs $1.99 up front. RedX Decks sells 9 in-app purchases, starting at $6.99 per month. Rafter Help asks for nothing beyond the download.

Rafter Help holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 212 and 521 respectively. Written reviews point the same way: 40% of Rafter Help's written reviews are positive against 31% of RedX Decks's.

Rafter Help ships an update every 5 months, RedX Decks every 10 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | Rafter Help | RedX Decks |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (212 ratings)](https://appshunter.io/ios/app/rafter-help/id1006188060/reviews)** | [4.3 (521 ratings)](https://appshunter.io/ios/app/redx-decks-3d-deck-builder/id6474487367/reviews) |
| Number of ratings | 212 | **521** |
| Positive reviews | **40.0% of reviews** | 30.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 177 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [RedX Technology Inc](https://appshunter.io/developer/835492291) |

## What reviewers say

### Rafter Help

[App page](https://appshunter.io/ios/app/rafter-help/id1006188060)

This app simplifies roof construction by calculating rafter lengths and related measurements. It supports various input formats for pitch and length, offering both quick calculations for gable roofs and advanced control for more complex needs.

**Highlights:** Calculate rafter length and associated values, Determine roof pitch, rafter lengths, and ridge height, Supports gable roofs, Advanced calculation options, Multiple input formats for pitch (radians, degrees, DMS, rise/run), Flexible length units (mm, cm, inches, feet), Customizable decimal places

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Apps Pro++ | $59.99 | per year |
| RedX Decks Pro | $89.99 | per year |
| RedX Decks Pro | $119.99 | 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 Rafter Help free?

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

### Is RedX Decks free?

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

### Which has better reviews, Rafter Help or RedX Decks?

Rafter Help is rated higher. Rafter Help averages 4.5 out of 5 from 212 ratings, while RedX Decks averages 4.3 from 521 ratings.

### Do Rafter Help or RedX Decks have ads?

Neither Rafter Help nor RedX Decks shows ads.

### Which is updated more often, Rafter Help or RedX Decks?

Rafter Help ships an update every 5 months, and RedX Decks every 10 days. Most recently, Rafter Help was updated on October 1, 2026 and RedX Decks on October 1, 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.*