Fox Detective icon
Petroleum Field Calculator icon
Petroleum Prices icon
+1

Paul Femiak

For a split audience consisting of upstream oil and gas professionals requiring field-ready calculators and fans of internet-native, surreal horror aesthetics.

Known forThe Backrooms
4apps1.0(33.9K) Multi-theme

Snapshot

Who is Paul Femiak?

Developing niche utility and entertainment apps for iPad and mobile. Bridging specialized industrial tools with surreal digital experiences.

Target audience

A split audience consisting of upstream oilGas professionals requiring field-ready calculatorsFans of internet-native

Active nemesis

PT Pertamina(Persero)

Other rivals

Portfolio

Free 3
4
apps
Games2
Finance1
Productivity1

Last updated

The Backrooms

v1.22.0

8mo ago

Intense

Publisher DNA

What defines Paul Femiak?

Publisher DNA

Primary focus

Mixed portfolio: Industrial utilities and surreal narrative games

Scale

indie

Target audience

A split audience consisting of upstream oil and gas professionals requiring field-ready calculators and fans of internet-native, surreal horror aesthetics.

Signature Patterns

  • •Bifurcated development strategy targeting both professional utilities and niche gaming
  • •Monetization mix utilizing both free-to-play and paid-upfront models
  • •Focus on offline-capable functionality for utility-based applications
  • •Integration of atmospheric and narrative-heavy elements in gaming titles
Intense

Portfolio momentum

With 12 releases in the last 6 months and active development across both gaming and productivity verticals, the publisher maintains a high-frequency update cadence.

Last release 2d agoActive apps 3Abandoned 1

Portfolio

What does Paul Femiak ship?

Apps

4 apps analysed

Challenging puzzle mechanics provide a satisfying sense of accomplishment for dedicated players

  • Beautiful artistic direction and well-crafted storylines keep players engaged during initial play sessions
  • Lack of clear instructions or tutorials prevents players from understanding basic navigation mechanics

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

65/100

Avg sentiment score

Rivals

Who does Paul Femiak compete with?

The rivals identified

Nemeses(2)

PT Pertamina(Persero)

known forDrilling Engineering

1 app3.8Productivity

Both apps target upstream oil and gas professionals with technical calculation tools, creating direct competition for field-ready utility.

Sparsh Tyagi

known forAn Elmwood Trail

1 app4.8Games

This app dominates the text-based mystery narrative niche, serving the exact same audience seeking immersive, choice-driven detective storytelling.

Contenders(10)

Aliasgar Rangwala

known forOilField HandyCalc Lite

2 apps0.0Productivity

Both applications target petroleum and drilling engineers with specialized calculation suites, creating direct competition for the same professional user base.

Carlos Moura

known forDrilling Hydraulics 2

4 apps0.0Productivity

Both apps target upstream oil and gas professionals with specialized calculation tools, creating direct competition for field-ready utility software.

Crazy Maple Studio

known forChapters: Interactive Stories

1 app4.4Games

A major player in the interactive fiction space that utilizes a high-frequency content release model to maintain user engagement.

Episode Interactive

known forEpisode - Choose Your Story

1 app4.3Games

The industry standard for interactive storytelling, providing a platform-wide ecosystem for user-generated and studio-produced content.

Haroon Khalil

known forLearn Petroleum Engineering

1 app4.0Productivity

Both apps target the same professional and student demographic within the oil and gas sector, creating competition for screen time between field-ready utility and theoretical study.

Saybolt International B.V.

known forSaybolt Oil Calculator

1 app5.0Productivity

Both apps target oil industry professionals with specialized calculation tools, creating direct competition for the same user base despite different pricing models.

Siam GeoTest

known forSiamEngy petroleum calculator

1 app0.0Productivity

SiamEngy competes by offering a broader set of fifty equations across six categories, directly targeting the same upstream oil and gas engineering audience as Petroleum Field Calculator.

Yurii Sushko

known forOIL & GAS REFERENCE

1 app0.0Productivity

Both applications target upstream oil and gas professionals by providing offline-capable calculation tools for field operations.

zhandos uakanov

known forOilField Formulas iHandy Calc

3 apps5.0Productivity

Both applications target upstream oil and gas professionals with paid, specialized calculation tools for field operations.

婷婷 乔

known forTallyRig: Well Control Calc

1 app0.0Productivity

Both apps target upstream oil and gas professionals with offline-first well control and field calculation tools, creating direct competition for the same engineering audience.

Same space(18)

Ashvin Kevadiya

known forWeight Calculator & Converter

1 app5.0Productivity

This app estimates material weights for construction and engineering, serving a similar professional utility role.

ATPM TECHNO

known forSMART Oil Field Calculation

1 app0.0Productivity

This app provides a variety of field calculations for planning and drilling, serving the same professional audience.

Bjarne Berge

known forGas-Liquid Leak

1 app5.0Productivity

This app estimates leak rates for pipelines and vessels, providing a specialized engineering utility for the same industry.

Brain Crunch

known forOilfield Calendar for Hitch

1 app2.4Productivity

This app manages personnel scheduling rather than engineering calculations, serving the same field-based workforce.

BTP GLOBAL

known forDigital Oilfield

1 app4.4Productivity

This app digitizes field reporting and data visualization, acting as a more complex operational platform for the same target audience.

Chetan Shah

known forOil & Gas Calculator : OilCalc

1 app0.0Productivity

This app provides a broad suite of field calculations for drilling and production, sharing the same target user base.

DEVXA

known forTallyBook - Oil & Gas

1 app4.0Productivity

This app visualizes drilling data for field personnel, complementing the calculation-heavy focus of the source app.

EYEWIND

known forBrain Out -Tricky riddle games

1 app4.5Games

Shares the puzzle-solving and lateral thinking appeal of detective games, though focused on short-form brain teasers.

Fanatee

known forCodyCross: Crossword Puzzles

1 app4.7Games

An adjacent puzzle genre that captures the 'investigative' mindset through word-based discovery.

GoodStamp

known forMud Weight

1 app3.0Productivity

This app performs drilling-specific volume and weight calculations, directly overlapping with the source app's core utility.

Gorasiya Vishal Nanjibhai

known forPumping Power Calculator

1 app0.0Productivity

This app determines energy requirements for fluid systems, serving mechanical and HVAC professionals in related industrial sectors.

Lahana Games

known forBraindom: Brain Games Test Out

1 app4.7Games

Competes for the same casual puzzle-solving audience by emphasizing 'detective-style' logic tests.

Mahmoud Abdelhakeem

known forOil & Gas Calculator

1 app0.0Productivity

This app offers surface well testing and production formulas, acting as a free reference tool for field technicians.

Pheinex

known forPipe Sizer - Water

1 app4.8Productivity

This app offers specialized piping system design and analysis, serving engineers in a related industrial sector.

Shanghai Sheyuan Network Technology Co.

known forOilfield Calculator: Drilling

1 app0.0Productivity

This app provides a professional engineering suite for drilling and mining, targeting the same field-based technical audience.

Vadim Fattakhov

known forWireline-Calcs

1 app5.0Productivity

This app provides specific engineering calculators for wireline operations, targeting the same technical field audience.

Vaghani Keyur

known forMetal Weight Calculator Pro

1 app4.6Productivity

This app provides material weight estimation for fabrication, overlapping with the engineering utility focus of the source app.

Vytautas Jazbutis

known forDerrick: Oilfield Rotation

1 app4.8Productivity

This app focuses on shift scheduling for oilfield personnel, addressing the non-technical side of the same professional life.

New entrants(2)

Abdullah AlQattan

known forArt of Drilling

1 app0.0Productivity

This app acts as a field-reference and calculator app for drilling crews, sharing the same operational focus.

YEW TECHNOLOGY

known forWord Crush® - Fun Puzzle Game

1 app4.6Games

Demonstrates high velocity with 16 releases in the last six months, indicating an aggressive push for market share.

The Analyst's Read

The bottom line on Paul Femiak

Bottom line

The publisher demonstrates technical versatility by successfully maintaining disparate product lines. Future growth depends on whether the developer continues to treat these as separate hobbyist-style projects or attempts to consolidate the disparate user bases.

Frequently asked questions

How many apps does Paul Femiak publish?
Paul Femiak has 4 apps tracked by Marlvel, primarily in the Games category.
What kind of apps does Paul Femiak make?
Paul Femiak's portfolio is concentrated in Games and Finance, with an average rating of 1.0/5 across rated apps.
What is Paul Femiak's top app?
By review volume across the portfolio, The Backrooms is Paul Femiak's best-known app tracked by Marlvel.

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 Paul Femiak, 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. “Paul Femiak intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/paul-femiak

See methodologyContact support

Data licensed under CC-BY-NC 4.0