# The Chippy Calc vs Built Simple

The clearest difference is in-app purchases: Built Simple at none against The Chippy Calc's 3. Built Simple also leads on update cadence (every 11 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. The Chippy Calc sells 3 in-app purchases, starting at $3.99 per month. Built Simple asks for nothing beyond the download.

The Chippy Calc ships an update every 2 months, Built Simple every 11 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | The Chippy Calc | Built Simple |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/the-chippy-calc-builder-tools/id6499256065/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 47 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Vike Digital Pty Ltd](https://appshunter.io/developer/1742926734) | [builtsimple](https://appshunter.io/developer/1812589440) |

## What reviewers say

### The Chippy Calc

[App page](https://appshunter.io/ios/app/the-chippy-calc-builder-tools/id6499256065)

This app provides carpenters, builders, and DIYers with precise, visual construction calculations. It offers specialized tools for stairs, decks, rafters, and more, with support for both metric and imperial units. All calculations can be saved and accessed offline.

**Highlights:** Visual results with scaled diagrams, Metric and imperial unit support, Offline functionality, 14+ specialized construction calculators, Stair, deck, and rafter calculations, Linear cut list optimization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annually | $19.99 | per year |
| Lifetime Premium Access | $79.99 | one-time |


### Built Simple

[App page](https://appshunter.io/ios/app/built-simple/id6745502073)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Chippy Calc free?

The Chippy Calc is free to download, with in-app purchases available.

### Is Built Simple free?

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

### Do The Chippy Calc or Built Simple have ads?

Neither The Chippy Calc nor Built Simple shows ads.

### Which is updated more often, The Chippy Calc or Built Simple?

The Chippy Calc ships an update every 2 months, and Built Simple every 11 days. Most recently, The Chippy Calc was updated on September 22, 2026 and Built Simple on September 18, 2026.

---

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