# Brainy Builder vs Sonvo

The clearest difference is ads: Brainy Builder at none against Sonvo's shown. Brainy Builder also leads on device support (4 vs 1) and iOS requirement (15.0 vs 17.0). Sonvo's advantage is update cadence (every 5 days vs every 3 weeks). On price and in-app purchases there is nothing between them.

Both are free to download. Brainy Builder sells 3 in-app purchases, starting at $0.99 per month and Sonvo sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Brainy Builder ships an update every 3 weeks, Sonvo every 5 days. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Brainy Builder | Sonvo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/brainy-builder-pro-calculator/id1539913001/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 49 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beyond Code AB](https://appshunter.io/developer/1539913003) | [MUHAMMAD AWAIS KALEEM](https://appshunter.io/developer/1827692036) |

## 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 |


### Sonvo

[App page](https://appshunter.io/ios/app/sonvo/id6787748661)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sonvo Pro | $0.99 | per month |
| Sonvo Ultra | $9.99 | per month |


## Frequently asked questions

### Is Brainy Builder free?

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

### Is Sonvo free?

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

### Do Brainy Builder or Sonvo have ads?

Sonvo shows ads; Brainy Builder does not.

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

Brainy Builder ships an update every 3 weeks, and Sonvo every 5 days. Most recently, Brainy Builder was updated on October 17, 2026 and Sonvo on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*