# Carpentry Formulator vs Install Reports

The clearest difference is in-app purchases: Install Reports at none against Carpentry Formulator's 1. Install Reports also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Carpentry Formulator sells 1 one-off in-app purchase. Install Reports asks for nothing beyond the download.

Carpentry Formulator ships an update every 2 months, Install Reports every 3 months. The most recent releases landed on October 31, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Carpentry Formulator | Install Reports |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/carpentry-formulator/id305583131/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 23 MB | 35 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [INSTALLREPORTS.COM LLC](https://appshunter.io/developer/1728692045) |

## What reviewers say

### Carpentry Formulator

[App page](https://appshunter.io/ios/app/carpentry-formulator/id305583131)

This app provides over 150 formulas and dozens of conversions for carpenters and builders. It calculates loads on walls and headers, material quantities for projects, and dimensions for roofing and stairs. It also includes area and volume calculations for various shapes.

**Highlights:** Load calculations for walls and headers, Material quantity estimation (joists, studs, concrete), Roofing and stair dimension calculations, Area and volume formulas for geometric shapes, Dozens of unit conversion tools, Shareable calculation results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Features | $2.99 | one-time |


### Install Reports

[App page](https://appshunter.io/ios/app/install-reports/id6477194660)

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

**In-app purchases:** none


## Frequently asked questions

### Is Carpentry Formulator free?

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

### Is Install Reports free?

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

### Do Carpentry Formulator or Install Reports have ads?

Neither Carpentry Formulator nor Install Reports shows ads.

### Which is updated more often, Carpentry Formulator or Install Reports?

Carpentry Formulator ships an update every 2 months, and Install Reports every 3 months. Most recently, Carpentry Formulator was updated on October 31, 2026 and Install Reports on November 4, 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.*