# BuildPass vs Carpentry Calculator

The clearest difference is review sentiment: Carpentry Calculator at 71% against BuildPass's 0%. Carpentry Calculator also leads on iOS requirement (13.0 vs 15.1). BuildPass's advantage is in-app purchases (none vs 2) and update cadence (every 9 days vs every 2 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Carpentry Calculator sells 2 one-off in-app purchases. BuildPass asks for nothing beyond the download.

BuildPass ships an update every 9 days, Carpentry Calculator every 2 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | BuildPass | Carpentry Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/carpentry-calculator/id1586739365/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 67 MB | 23 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BuildPass](https://appshunter.io/developer/1538577838) | [Matthew Spencer](https://appshunter.io/developer/1642000494) |

## What reviewers say

### BuildPass

[App page](https://appshunter.io/ios/app/buildpass/id1538577836)

This AI-powered assistant streamlines construction site operations for workers. It facilitates sign-on, communication, task completion, and safety protocols, aiming to enhance efficiency and reduce risks. The app is accessible to all workers, regardless of project contractor adoption.

**Highlights:** AI-powered safety and efficiency, Worker sign-on and communication, Task management, Construction site operations, Cross-contractor accessibility

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

**In-app purchases:** none


### Carpentry Calculator

[App page](https://appshunter.io/ios/app/carpentry-calculator/id1586739365)

This app simplifies complex calculations for carpenters, builders, and DIY enthusiasts. It handles tasks like roofing, stairs, and decking, offering both metric and imperial units. Visual aids and detailed measurements enhance accuracy and efficiency on any project.

**Highlights:** Roofing calculations, Stair and decking measurements, Concrete slab and post hole calculations, Raked wall and balustrade design, Trigonometry functions, Metric and imperial unit support, Light and dark mode options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Discounted upgrade | $3.49 | one-time |
| Upgrade to paid version | $4.99 | one-time |


## Frequently asked questions

### Is BuildPass free?

BuildPass is free to download, with no in-app purchases.

### Is Carpentry Calculator free?

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

### Do BuildPass or Carpentry Calculator have ads?

Neither BuildPass nor Carpentry Calculator shows ads.

### Which is updated more often, BuildPass or Carpentry Calculator?

BuildPass ships an update every 9 days, and Carpentry Calculator every 2 months. Most recently, BuildPass was updated on September 21, 2026 and Carpentry Calculator on September 10, 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.*