# Brainy Builder vs Integrity VPN

The clearest difference is in-app purchases: Integrity VPN at none against Brainy Builder's 3. Brainy Builder's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads there is nothing between them.

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

Brainy Builder ships an update every 3 weeks, Integrity VPN every 5 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Brainy Builder | Integrity VPN |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 49 MB | 26 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) | [Trampkvarnen AB](https://appshunter.io/developer/1791721194) |

## 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 |


### Integrity VPN

[App page](https://appshunter.io/ios/app/integrity-vpn/id6740811915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brainy Builder free?

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

### Is Integrity VPN free?

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

### Do Brainy Builder or Integrity VPN have ads?

Neither Brainy Builder nor Integrity VPN shows ads.

### Which is updated more often, Brainy Builder or Integrity VPN?

Brainy Builder ships an update every 3 weeks, and Integrity VPN every 5 weeks. Most recently, Brainy Builder was updated on October 24, 2026 and Integrity VPN on October 16, 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.*