EndoData-Pro icon
EZTapConverter icon
GrassMaster icon
+6

John Lullie

For professional tradespeople and hobbyists requiring specific technical calculators for woodworking, medical equipment maintenance, and home theater setups.

Known forWoodMaster
9apps0.3(6) Multi-theme

Snapshot

Who is John Lullie?

Equipping niche professionals and hobbyists with specialized calculators and technical reference tools for specific workshop and field tasks.

Target audience

Professional tradespeopleHobbyists requiring specific technical calculators for woodworkingMedical equipment maintenance

Rivals analysis in progress

Portfolio

Free 2
9
apps
Productivity4
Food & Drink1
Lifestyle1
Medical1

Last updated

WoodMaster

v1.3

3.5y ago

Intense

Publisher DNA

What defines John Lullie?

Publisher DNA

Primary focus

Specialized utility and productivity tools

Scale

indie

Target audience

Professional tradespeople and hobbyists requiring specific technical calculators for woodworking, medical equipment maintenance, and home theater setups.

Signature Patterns

  • Focus on single-purpose, technical utility calculators and reference databases
  • Hybrid monetization model utilizing both free and paid upfront apps
  • Targeting niche professional segments including Medical, Woodworking, and AV
  • High-frequency maintenance cadence for legacy titles dating back to 2010
Intense

Portfolio momentum

Maintains an extremely high update frequency with 20 releases across 9 active apps in the last 6 months, indicating active maintenance of the entire catalog.

Last release 0d agoActive apps 9

Portfolio

What does John Lullie ship?

Apps

9 apps analysed

GrassMaster icon
GrassMaster

Your AI lawn care assistant for personalized plans, tasks, and expert advice

0.0
View Intel →

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

Based on 1 of 9 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 John Lullie

Bottom line

John Lullie is a disciplined indie developer occupying a stable niche in the prosumer utility space. The longevity of the portfolio and intense update velocity suggest a sustainable model based on utility-driven paid downloads rather than mass-market engagement.

Frequently asked questions

How many apps does John Lullie publish?
John Lullie has 9 apps tracked by Marlvel, primarily in the Productivity category.
What kind of apps does John Lullie make?
John Lullie's portfolio is concentrated in Productivity and Food & Drink, with an average rating of 0.3/5 across rated apps.
What is John Lullie's top app?
By review volume across the portfolio, WoodMaster is John Lullie's best-known app tracked by Marlvel.
In how many countries are John Lullie's apps available?
Marlvel has tracked John Lullie's apps across 1 country.

What fed this analysis

Apps analyzed:
9
With full intel:
0
With overview:
9
Website scraped:
yes
Social presence:
no

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 John Lullie, 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. “John Lullie intelligence.” Updated 2026-04-27. https://marlvel.ai/publishers/john-lullie

See methodologyContact support

Data licensed under CC-BY-NC 4.0