# The Carpenter App vs Stair Calculator

The clearest difference is price: The Carpenter App at Free against Stair Calculator's $1.99. The Carpenter App also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Stair Calculator's advantage is in-app purchases (none vs 1). On ads there is nothing between them.

The Carpenter App is free to download; Stair Calculator costs $1.99 up front. The Carpenter App sells 1 in-app purchase, starting at $5.99 per year. Stair Calculator asks for nothing beyond the download.

## The numbers

| Metric | The Carpenter App | Stair Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Size | 10 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael Hansen](https://appshunter.io/developer/6806560553) | [Netflowers Inc.](https://appshunter.io/developer/1672067319) |

## What reviewers say

### The Carpenter App

[App page](https://appshunter.io/ios/app/the-carpenter-app-tools/id6806560551)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Carpenter App PRO | $5.99 | per year |


### Stair Calculator

[App page](https://appshunter.io/ios/app/stair-calculator-stringer-cut/id6810948163)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Carpenter App free?

The Carpenter App is free to download, with in-app purchases available.

### Is Stair Calculator free?

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

### Do The Carpenter App or Stair Calculator have ads?

Neither The Carpenter App nor Stair 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.*