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Charles Crawford

For technical professionals, engineers, and automotive inventory managers seeking quick, recurring calculation and data-decoding solutions.

2apps2.0(55.7K)ReferenceBusiness

Snapshot

Who is Charles Crawford?

Providing a centralized suite of utility tools to streamline daily technical and professional tasks for a global user base.

Target audience

Technical professionalsEngineersAutomotive inventory managers seeking quick

Rivals analysis in progress

Portfolio

Free 2
2
apps
Business1
Reference1

Last updated

Engineers Toolbox

vVARY

6mo ago

Maintenance

Publisher DNA

What defines Charles Crawford?

Publisher DNA

Primary focus

Utility and reference tools

Scale

indie

Target audience

Technical professionals, engineers, and automotive inventory managers seeking quick, recurring calculation and data-decoding solutions.

Origin

Toolbox software was formed to provide a large volume of services in a centralized manner for users in Iran and beyond.

Signature Patterns

  • Focus on high-utility, single-purpose tools for technical workflows
  • Free-to-use pricing model across all titles
  • Emphasis on offline-capable, functional utility features
  • Centralized branding under a 'toolbox' ecosystem
Maintenance

Portfolio momentum

With only one release in the last six months and a split between active and abandoned titles, the publisher is currently in a maintenance phase.

Last release 94d agoActive apps 1Abandoned 1

Portfolio

What does Charles Crawford ship?

Apps

2 apps analysed

Single-market publisher, every app ships only to United States.

Based on 1 of 2 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States1 / 1

Core markets (1/1 apps)

United States

The Analyst's Read

The bottom line on Charles Crawford

Bottom line

The publisher maintains a stable niche in the utility space by aggregating essential technical tools, though the portfolio requires more consistent updates to remain competitive. Their ability to pivot from general reference tools to specific business-oriented utilities suggests a focus on capturing higher-value professional segments.

Frequently asked questions

How many apps does Charles Crawford publish?
Charles Crawford has 2 apps tracked by Marlvel, primarily in the Business category.
What kind of apps does Charles Crawford make?
Charles Crawford's portfolio is concentrated in Business and Reference, with an average rating of 2.0/5 across rated apps.
What is Charles Crawford's top app?
By review volume across the portfolio, Engineers Toolbox is Charles Crawford's best-known app tracked by Marlvel.
In how many countries are Charles Crawford's apps available?
Marlvel has tracked Charles Crawford's apps across 1 country.

What fed this analysis

Apps analyzed:
2
With full intel:
0
With overview:
2
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Charles Crawford, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Charles Crawford intelligence.” Updated 2026-05-08. https://marlvel.ai/publishers/charles-crawford

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Data licensed under CC-BY-NC 4.0