# Stair Stringer vs Stair Calculator .

The clearest difference is price: Stair Calculator . at Free against Stair Stringer's $1.99. Stair Stringer's advantage is rating (4.7 vs 4.0) and in-app purchases (none vs 3). On device support there is nothing between them.

Stair Calculator . is free to download; Stair Stringer costs $1.99 up front. Stair Calculator . sells 3 in-app purchases, starting at $1.49 per 7 days. Stair Stringer asks for nothing beyond the download.

Stair Stringer holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Stair Stringer has 87 ratings behind it against 4, so its average is the more settled of the two.

## The numbers

| Metric | Stair Stringer | Stair Calculator . |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (87 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/stair-calculator/id6760628453/reviews) |
| Number of ratings | **87** | 4 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | — |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 16 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [H3Apps LLC](https://appshunter.io/developer/598620927) | [Asaru Labs LTD](https://appshunter.io/developer/1810982779) |

## What reviewers say

### Stair Stringer

[App page](https://appshunter.io/ios/app/stair-stringer/id1550828339)

This app calculates all necessary measurements for building a stair stringer, including risers, run, angle, and length. Easily adjust parameters and switch between Imperial and Metric units. Share your calculated results via email or text.

**Highlights:** Calculates stair risers and run, Determines stair angle and stringer length, Calculates step height and tread depth, Determines the number of steps, Adjustable parameters, Imperial or Metric units, Share results via email/text

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

**In-app purchases:** none


### Stair Calculator .

[App page](https://appshunter.io/ios/app/stair-calculator/id6760628453)

This app assists construction professionals and DIYers in accurately calculating stair dimensions. It provides instant results for step count, rise, run, angle, and stringer length, with visual previews to aid in planning and building.

**Highlights:** Stair step calculator, Rise and run calculator, Stringer length calculator, Visual stair diagram, 3D stair previews, Metric and imperial support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $1.49 | per 7 days |
| Premium Version | $3.99 | per month |
| Premium Version | $19.99 | per year |


## Frequently asked questions

### Is Stair Stringer free?

Stair Stringer costs $1.99, with no in-app purchases.

### Is Stair Calculator . free?

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

### Which has better reviews, Stair Stringer or Stair Calculator .?

Stair Stringer is rated higher. Stair Stringer averages 4.7 out of 5 from 87 ratings, while Stair Calculator . averages 4.0 from 4 ratings.

### Do Stair Stringer or Stair Calculator . have ads?

Stair Calculator . shows ads; Stair Stringer does not.

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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.*