# 3Pin Keyboard vs RedX Construction Calculator

The clearest difference is review sentiment: RedX Construction Calculator at 100% against 3Pin Keyboard's 0%. RedX Construction Calculator also leads on rating (4.8 vs 1.0) and ratings volume (37 vs 2). 3Pin Keyboard's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RedX Construction Calculator holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: RedX Construction Calculator has 37 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of 3Pin Keyboard's written reviews are positive against 100% of RedX Construction Calculator's.

## The numbers

| Metric | 3Pin Keyboard | RedX Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/3pin-keyboard/id1317673767/reviews) | **[4.8 (37 ratings)](https://appshunter.io/ios/app/redx-construction-calculator/id6792503463/reviews)** |
| Number of ratings | 2 | **37** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | Free |
| Size | 1 MB | 19 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Shiling Digital Technology.co., Ltd](https://appshunter.io/developer/1137419218) | [RedX Technology Inc](https://appshunter.io/developer/835492291) |

## What reviewers say

### 3Pin Keyboard

[App page](https://appshunter.io/ios/app/3pin-keyboard/id1317673767)

This utility app provides firmware data for a specific keyboard model. It includes version information for the firmware, ensuring compatibility and functionality.

**Highlights:** Firmware data updates, Version 1.3.3 FW data

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 3Pin Keyboard free?

3Pin Keyboard is free to download, with no in-app purchases.

### Is RedX Construction Calculator free?

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

### Which has better reviews, 3Pin Keyboard or RedX Construction Calculator?

RedX Construction Calculator is rated higher. 3Pin Keyboard averages 1.0 out of 5 from 2 ratings, while RedX Construction Calculator averages 4.8 from 37 ratings.

### Do 3Pin Keyboard or RedX Construction Calculator have ads?

Neither 3Pin Keyboard 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.*