# PlasterCalculator vs Inbuildr

The clearest difference is in-app purchases: Inbuildr at none against PlasterCalculator's 1. Inbuildr also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PlasterCalculator sells 1 one-off in-app purchase. Inbuildr asks for nothing beyond the download.

PlasterCalculator ships an update every 3 weeks, Inbuildr every 3 days. The most recent releases landed on October 30, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | PlasterCalculator | Inbuildr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 8 MB | 87 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steve McCulloch](https://appshunter.io/developer/1559735681) | [Saharasoft Solutions LTD](https://appshunter.io/developer/1762745123) |

## What reviewers say

### PlasterCalculator

[App page](https://appshunter.io/ios/app/plastercalculator/id1559735679)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation | $0.99 | one-time |


### Inbuildr

[App page](https://appshunter.io/ios/app/inbuildr/id6636468678)

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

**In-app purchases:** none


## Frequently asked questions

### Is PlasterCalculator free?

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

### Is Inbuildr free?

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

### Do PlasterCalculator or Inbuildr have ads?

Neither PlasterCalculator nor Inbuildr shows ads.

### Which is updated more often, PlasterCalculator or Inbuildr?

PlasterCalculator ships an update every 3 weeks, and Inbuildr every 3 days. Most recently, PlasterCalculator was updated on October 30, 2026 and Inbuildr on November 12, 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.*