HamStudy.org icon

Signal Stuff

For individuals preparing for amateur radio license examinations, ranging from entry-level technicians to advanced operators.

Known forHamStudy.org
1app4.9(2.3K)Education

Snapshot

Who is Signal Stuff?

Equipping amateur radio candidates with intelligent, adaptive study tools to streamline license exam preparation.

Target audience

Individuals preparing for amateur radio license examinationsRanging from entry-level technicians to advanced operators

Active nemesis

Patrick J Maloney

Other rivals

Portfolio

1
app
Education1

Last updated

HamStudy.org

v2.2.2

1y ago

Maintenance

Publisher DNA

What defines Signal Stuff?

Publisher DNA

Primary focus

Amateur radio license exam preparation

Scale

indie

Target audience

Individuals preparing for amateur radio license examinations, ranging from entry-level technicians to advanced operators.

Origin

Launched to provide a mobile companion to the HamStudy.org web platform.

Maintenance

Portfolio momentum

The publisher maintains a single active title with no new releases in the last 6 months, indicating a stable maintenance phase.

Active apps 1

Portfolio

What does Signal Stuff ship?

Apps

1 app analysed

HamStudy.org icon
HamStudy.org

The best way to study for your amateur radio license exam.

4.9(2.3K)
View Intel →

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

Based on 1 of 1 app with localized market data · last scanned .

Americas (1)

  • United States1 / 1

Core markets (1/1 apps)

United States

Rivals

Who does Signal Stuff compete with?

The rivals identified

Nemeses(1)

Patrick J Maloney

known forHAM Test Prep: Extra

6 apps4.9Education

Both apps target individuals preparing for amateur radio license exams, competing directly for users seeking study tools for the Extra class license.

Contenders(3)

Adrian Del Jesus Sanchez Mendez

known forCDL Study: Practice Test 2026

1 app4.8Education

Both apps compete for the same user base of individuals preparing for professional or hobbyist certification exams through question banks and progress tracking. They share a core mechanism of exam-specific study preparation despite serving different subject domains.

Roy Watson

known forHam Radio Exam Extra

3 apps4.7Education

Both apps target individuals preparing for FCC amateur radio license exams by providing access to official question pools and simulated testing environments.

Ryan Gilchrist

known forAmateur Radio HAM Exam

1 app4.8Education

Both apps target individuals preparing for amateur radio license exams, competing for the same user base through question-based study tools.

Same space(1)

World Radio League

known forHam Radio Prep

1 app4.8Education

This app targets the same amateur radio certification audience but focuses on video-based instruction rather than the adaptive text-based study system found in HamStudy.org.

Frequently asked questions

How many apps does Signal Stuff publish?
Signal Stuff has 1 app tracked by Marlvel, primarily in the Education category.
What kind of apps does Signal Stuff make?
Signal Stuff's portfolio is concentrated in Education, with an average rating of 4.9/5 across rated apps.
What is Signal Stuff's top app?
By review volume across the portfolio, HamStudy.org is Signal Stuff's best-known app tracked by Marlvel.
In how many countries are Signal Stuff's apps available?
Marlvel has tracked Signal Stuff's apps across 1 country.

What fed this analysis

Apps analyzed:
1
With full intel:
0
With overview:
1
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 Signal Stuff, 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. “Signal Stuff intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/signal-stuff

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Data licensed under CC-BY-NC 4.0