# StudPlan vs RedX Construction Calculator

The clearest difference is in-app purchases: RedX Construction Calculator at none against StudPlan's 4. RedX Construction Calculator also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. StudPlan sells 4 in-app purchases, starting at $1.99 per 7 days. RedX Construction Calculator asks for nothing beyond the download.

## The numbers

| Metric | StudPlan | RedX Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/redx-construction-calculator/id6792503463/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | — | Free |
| Size | 3 MB | 19 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZHENGQIAO JIANG](https://appshunter.io/developer/1892168889) | [RedX Technology Inc](https://appshunter.io/developer/835492291) |

## What reviewers say

### StudPlan

[App page](https://appshunter.io/ios/app/studplan-wall-framing-layout/id6769339554)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $79.99 | one-time |


### RedX Construction Calculator

[App page](https://appshunter.io/ios/app/redx-construction-calculator/id6792503463)

This free utility app performs complex calculations for construction professionals. It handles feet-inch-fraction math, roof pitches, stair layouts, and unit conversions with ease. Offers step-by-step guides and both light and dark modes.

**Highlights:** Feet-inch-fraction math, Roof pitch and rafter solvers, Stair layout calculations, Unit conversion (imperial/metric), Area and volume calculations, Step-by-step guides

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

**In-app purchases:** none


## Frequently asked questions

### Is StudPlan free?

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

### Is RedX Construction Calculator free?

RedX Construction Calculator is free to download, with no in-app purchases.

### Do StudPlan or RedX Construction Calculator have ads?

Neither StudPlan nor RedX Construction Calculator shows ads.

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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.*