# The Chippy Calc vs StinkApp

The clearest difference is in-app purchases: StinkApp at none against The Chippy Calc's 3. On price, update cadence, ads and device support there is nothing between them.

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

The Chippy Calc ships an update every 2 months, StinkApp daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | The Chippy Calc | StinkApp |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 33 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vike Digital Pty Ltd](https://appshunter.io/developer/1742926734) | [blitzXlabs](https://appshunter.io/developer/6781205427) |

## 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 |


### StinkApp

[App page](https://appshunter.io/ios/app/stinkapp/id6781205425)

**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 StinkApp free?

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

### Do The Chippy Calc or StinkApp have ads?

Neither The Chippy Calc nor StinkApp shows ads.

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

The Chippy Calc ships an update every 2 months, and StinkApp daily. Most recently, The Chippy Calc was updated on October 24, 2026 and StinkApp on October 25, 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.*