# Pocket Toolbox vs Carpenter Pro Calc

The clearest difference is ads: Carpenter Pro Calc at none against Pocket Toolbox's shown. Carpenter Pro Calc also leads on update cadence (every 6 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Pocket Toolbox sells 2 in-app purchases, starting at $0.99 per month and Carpenter Pro Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pocket Toolbox ships an update every 3 weeks, Carpenter Pro Calc every 6 days. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Pocket Toolbox | Carpenter Pro Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/carpenter-pro-calc/id6763916367/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 2 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muge Akalin](https://appshunter.io/developer/1701314808) | [向 潘](https://appshunter.io/developer/1437711978) |

## What reviewers say

### Pocket Toolbox

[App page](https://appshunter.io/ios/app/pocket-toolbox-pdf-and-tools/id6749550339)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per month |
| Premium Access | $9.99 | per year |


### Carpenter Pro Calc

[App page](https://appshunter.io/ios/app/carpenter-pro-calc/id6763916367)

This comprehensive calculator is designed for construction professionals, offering a wide range of tools for measurements, estimations, and layout calculations. It provides both free and pro features, all accessible offline and without ads.

**Highlights:** Fractional math for measurements, Unit conversion for various metrics, Area and roof pitch calculations, Stair and rafter layout tools, Material and concrete slab estimation, Framing and tile layout assistance, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carpenter Pro — Unlock All | $9.99 | one-time |


## Frequently asked questions

### Is Pocket Toolbox free?

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

### Is Carpenter Pro Calc free?

Carpenter Pro Calc is free to download, with in-app purchases available.

### Do Pocket Toolbox or Carpenter Pro Calc have ads?

Pocket Toolbox shows ads; Carpenter Pro Calc does not.

### Which is updated more often, Pocket Toolbox or Carpenter Pro Calc?

Pocket Toolbox ships an update every 3 weeks, and Carpenter Pro Calc every 6 days. Most recently, Pocket Toolbox was updated on October 25, 2026 and Carpenter Pro Calc on October 11, 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.*