# Brainy Builder vs XPAT

The clearest difference is in-app purchases: XPAT at none against Brainy Builder's 3. XPAT also leads on update cadence (every 2 days vs every 3 weeks). Brainy Builder's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Brainy Builder sells 3 in-app purchases, starting at $0.99 per month. XPAT asks for nothing beyond the download.

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

## The numbers

| Metric | Brainy Builder | XPAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/brainy-builder-pro-calculator/id1539913001/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 49 MB | 27 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Beyond Code AB](https://appshunter.io/developer/1539913003) | [Sivakumar Kumar](https://appshunter.io/developer/1895406719) |

## 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 |


### XPAT

[App page](https://appshunter.io/ios/app/xpat/id6763627968)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brainy Builder free?

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

### Is XPAT free?

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

### Do Brainy Builder or XPAT have ads?

XPAT shows ads; Brainy Builder does not.

### Which is updated more often, Brainy Builder or XPAT?

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