# Brainy Builder vs Carpenter Tools

The clearest difference is device support: Brainy Builder at 4 against Carpenter Tools's 2. Brainy Builder also leads on iOS requirement (15.0 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Brainy Builder sells 3 in-app purchases, starting at $0.99 per month and Carpenter Tools sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Brainy Builder against 4.9 for Carpenter Tools. Both are backed by a comparable volume of ratings — 4 and 10 respectively.

Brainy Builder ships an update every 3 weeks, Carpenter Tools every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Brainy Builder | Carpenter Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/brainy-builder-pro-calculator/id1539913001/reviews)** | [4.9 (10 ratings)](https://appshunter.io/ios/app/carpenter-tools-calculator/id6757513389/reviews) |
| Number of ratings | 4 | **10** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 49 MB | 3 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beyond Code AB](https://appshunter.io/developer/1539913003) | [Sergii Nesterenko](https://appshunter.io/developer/1686841405) |

## What reviewers say

### Brainy Builder

[App page](https://appshunter.io/ios/app/brainy-builder-pro-calculator/id1539913001)

This app offers a suite of tools for carpenters, simplifying complex calculations for measurements, spacing, and project planning. It supports both metric and imperial units, with free and expanded pro versions available.

**Highlights:** Metric and Imperial unit support, 8 free carpentry calculators, Equal spacing calculation, Parquet floor planning, Stair stringer calculation, Rafter calculations, Live drawing functionality

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| All formulas | Free | one-time |
| Pro | $11.99 | one-time |


### Carpenter Tools

[App page](https://appshunter.io/ios/app/carpenter-tools-calculator/id6757513389)

This app simplifies carpentry calculations for framing, roofing, stairs, and more. Quickly get accurate measurements and material counts without complex formulas or spreadsheets. Ideal for on-site work, shop use, or estimating.

**Highlights:** Framing calculations, Rafter and roof calculations, Stair rise and run, Material count estimation, Imperial and metric units, Helpful diagrams, Optional cost fields

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $12.99 | one-time |


## Frequently asked questions

### Is Brainy Builder free?

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

### Is Carpenter Tools free?

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

### Which has better reviews, Brainy Builder or Carpenter Tools?

Brainy Builder is rated higher. Brainy Builder averages 5.0 out of 5 from 4 ratings, while Carpenter Tools averages 4.9 from 10 ratings.

### Do Brainy Builder or Carpenter Tools have ads?

Neither Brainy Builder nor Carpenter Tools shows ads.

### Which is updated more often, Brainy Builder or Carpenter Tools?

Brainy Builder ships an update every 3 weeks, and Carpenter Tools every 2 weeks. Most recently, Brainy Builder was updated on October 24, 2026 and Carpenter Tools on October 28, 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.*