Exposure Equivalence icon
Flash Photography Adviser icon
Flute Cards icon
+1

Rob Duell PhD

For photographers, digital artists, and musicians requiring quick, reliable technical calculations and educational aids.

4apps2.3(3) Multi-theme

Snapshot

Who is Rob Duell PhD?

Providing specialized technical utility tools for photographers, designers, and musicians. Simplifying complex professional workflows through focused, offline-first applications.

Target audience

PhotographersDigital artistsMusicians requiring quick

Rivals analysis in progress

Portfolio

Free 1
4
apps
Photo & Video2
Graphics & Design1
Music1

Last updated

Flash Photography Adviser

v2.0

2.6y ago

Maintenance

Publisher DNA

What defines Rob Duell PhD?

Publisher DNA

Primary focus

Professional utility tools for creative workflows

Scale

indie

Target audience

Photographers, digital artists, and musicians requiring quick, reliable technical calculations and educational aids.

Signature Patterns

  • Strictly paid pricing model across all titles
  • Focus on offline-first functionality without account requirements
  • Utility-driven design targeting specific technical creative tasks
  • Minimalist feature sets centered on calculation and reference
Maintenance

Portfolio momentum

With 2 releases in the last 6 months and a mix of active and abandoned titles, the publisher maintains a low-frequency update cadence focused on niche utility.

Last release 46d agoActive apps 2Abandoned 1

Portfolio

What does Rob Duell PhD ship?

Apps

4 apps analysed

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

Based on 1 of 4 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 Rob Duell PhD

Bottom line

This publisher is a classic example of a micro-utility developer, successfully monetizing niche professional tools through a paid-only model. Their long-term viability depends on maintaining these specialized tools as technical standards evolve, rather than scaling through user acquisition.

Frequently asked questions

How many apps does Rob Duell PhD publish?
Rob Duell PhD has 4 apps tracked by Marlvel, primarily in the Photo & Video category.
What kind of apps does Rob Duell PhD make?
Rob Duell PhD's portfolio is concentrated in Photo & Video and Graphics & Design, with an average rating of 2.3/5 across rated apps.
What is Rob Duell PhD's top app?
By review volume across the portfolio, Flash Photography Adviser is Rob Duell PhD's best-known app tracked by Marlvel.
In how many countries are Rob Duell PhD's apps available?
Marlvel has tracked Rob Duell PhD's apps across 1 country.

What fed this analysis

Apps analyzed:
4
With full intel:
0
With overview:
4
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 Rob Duell PhD, 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. “Rob Duell PhD intelligence.” Updated 2026-05-04. https://marlvel.ai/publishers/rob-duell-phd

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Data licensed under CC-BY-NC 4.0