---
title: "Engineers Toolbox — App Overview"
url: https://marlvel.ai/intel-report/reference/engineers-toolbox
category: Reference
developer: Charles Crawford
platforms: ios, android
rating: 4.0 (55.7K ratings)
pricing: free
report_level: overview
generated: 2026-05-05
last_verified: "2026-05-05T14:42:58.302Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers functional utility for unit conversions, recent user feedback indicates potential stability issues regarding application launch.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Reference |
| Rating | 4.0 ★ (55.7K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 0.1 |
| Latest Version (Android) | VARY |
| Developer | Charles Crawford |

<!-- SECTION: Summary -->
## What is Engineers Toolbox?

Engineers Toolbox is a utility application designed to perform unit conversions for distance, area, volume, pressure, and weight/mass. It allows users to save default units to streamline repetitive calculation workflows. The app is currently maintained by developer Charles Crawford.

<!-- SECTION: Key Features -->
## Key Features

- **Multi-Category Conversion**: Provides conversion functions for distance, area, volume, pressure, and weight/mass.
- **Default Unit Persistence**: Allows users to save preferred units to accelerate the conversion process.

<!-- SECTION: Target Audience -->
## Who is it for?

Engineers and technical professionals requiring quick, recurring unit conversions.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/engineers-toolbox/id6452432402?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=ir.shahbaz.SHZToolBox_demo&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/reference/engineers-toolbox)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/reference/engineers-toolbox).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*