Report updated Jun 2, 2026

OilField HandyCalc Lite is an established productivity app that is completely free.

What is OilField HandyCalc Lite?

OilField HandyCalc Lite is a productivity utility providing drilling and petroleum engineering calculations for field personnel on iOS.

Engineers hire this tool to perform rapid on-site volume and pressure calculations, though the lack of modern reporting features limits its utility in professional workflows.

Current Momentum

v1.0 · 135mo ago

Zombie
  • No updates since 2015 release.

Active Nemesis

Fragmented niche

No dominant direct rival identified yet. See Other Rivals below.

Other Rivals

Open Channel Flow Pro
Paribus Calculator
SureFire Ag Flow Calculator
do Tanque ao Alvo
Not Another Twin Calculator
POLY / multiscreen calculator

7-Day Rank Pulse 🇺🇸

Productivity

No ranking data

Rating Pulse 🇺🇸

Gathering signals...

What makes this app unique?

What Does It Look Like?

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What Are The Key Features?

Oilfield Calculation SuiteStandard

Provides specialized drilling and petroleum engineering formulas including Annular Volume, Hydrostatic Pressure, and ECD.

Result ExportStandard

Allows users to share calculation results via email or with colleagues directly from the interface.

Drill String and Cementing ToolsDifferentiator

Includes specific modules for Ton-Mile calculations, balanced cement plug settings, and sack requirements.

How much does it cost?

Free
  • Free

The app is distributed as a free tool to serve as a lead generation mechanism for the developer's broader IT and software services.

Who Built It?

Aliasgar Rangwala

View Publisher Intel →
Productivity

Enrichment in progress

Publisher profile available very soon

What other apps does Aliasgar Rangwala make?

Faiz-ul Mawaid Al-Burhaniyah

Faiz-ul Mawaid Al-Burhaniyah

Food & Drink

What do users think recently?

Analysis in progress, available soon

What is the competitive landscape for OilField HandyCalc Lite?

Where is it available?

Localized markets (1)

United States

How's The Productivity Market?

Market outlook for this category

Available very soon

Which niche is OilField HandyCalc Lite in?

Petroleum Engineering Calculators

to perform oil and gas drilling calculations

CalculatorPetroleum EngineeringProfessionalsFreeEmerging

Explore the full Petroleum Engineering Calculators niche

Every app in this space (3 tracked), the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.

Go deeper

The rivals identified

Same space(4)

This app competes by offering specialized field calculation workflows that mirror the utility-focused nature of OilField HandyCalc Lite.

Differentiators

  • Provides professional PDF report generation which is a critical missing feature in the target app
  • Maintains a modern release cadence with two updates in the last six months for stability
  • Offers a comprehensive database structure that simplifies complex mixing orders for field personnel

It serves as a direct functional alternative for technical professionals requiring precise flow rate and hardware selection calculations.

Differentiators

  • Includes a specialized pump recommendation engine that provides actionable hardware advice beyond simple math
  • Features a dedicated orifice selection guide that streamlines technical decision-making for field engineers
  • Focuses on specific agricultural flow hardware which creates a distinct niche compared to general oilfield tools

This app competes for the same productivity-focused user base by providing advanced mathematical modeling and goal-seeking capabilities.

Differentiators

  • Utilizes natural language entry to speed up complex calculations compared to traditional input forms
  • Includes a spreadsheet mode that allows for more flexible data manipulation than static calculators
  • Offers a goal-seek value dial that helps users reverse-engineer results from desired outcomes

It targets the same engineering demographic by providing specialized hydraulic parameter calculations for field environments.

Differentiators

  • Supports complex natural and irregular channel geometries that standard calculators cannot process
  • Generates automated rating curves which significantly reduces manual drafting time for hydraulic engineers
  • Provides a more granular focus on fluid dynamics compared to the target's general-purpose approach

New entrants(2)

This newcomer disrupts the space by introducing a multi-window interface that challenges the single-screen limitations of legacy calculators.

Differentiators

  • Enables cross-screen referencing that allows users to compare multiple calculation results simultaneously
  • Implements a persistent history feature that prevents data loss during complex multi-step engineering workflows

It enters the market with a focus on dual-panel productivity, appealing to users who need to manage two data sets at once.

Differentiators

  • Features a dual-panel interface that allows for seamless result transfer between two independent calculation streams
  • Provides cross-platform support that ensures calculation continuity across different user devices

Compare OilField HandyCalc Lite against every rival

All rivals in one side-by-side table: identity, store metrics, ratings & sentiment, and strategic intel, plus a head-to-head page for each.

Go deeper

The outtake for OilField HandyCalc Lite

Strengths to defend, gaps to attack

Core Strengths

  • Specialized drilling formula library provides immediate utility for niche petroleum engineering workflows.

Critical Frictions

  • Zero-update cadence since 2015 creates a perception of abandonment.
  • Missing PDF report generation limits professional utility.

Growth Levers

  • Integration of automated PDF reporting would bridge the gap with modern field-utility competitors.

Market Threats

  • Competitors like do Tanque ao Alvo maintain active release cycles, siphoning users who require stable, modern engineering tools.

What are the next best moves?

mediumInvest

Ship PDF report generation because competitors like do Tanque ao Alvo offer this feature → increase professional adoption.

Competitor analysis identifies PDF reporting as a critical missing feature.

Trade-off: Deprioritize UI refresh — functional utility is the primary user need.

A counter-intuitive read

The app's lack of updates is not a failure but a deliberate choice to keep a low-maintenance lead-generation funnel for the developer's IT services.

Feature Gaps vs Competitors

  • Professional PDF report generation (available in do Tanque ao Alvo but absent here)
  • Natural language calculation entry (available in Paribus Calculator but absent here)

Key Takeaways

The app provides essential formulas for field engineers, but the 2015-era codebase and lack of professional reporting features make it a weak competitor against modern alternatives, so the developer should prioritize PDF export to maintain relevance.

Where Is It Heading?

Declining

The market for field-engineering utilities is consolidating around apps that offer automated reporting and modern interface design. OilField HandyCalc Lite remains exposed to churn as it fails to address the professional documentation needs of its target user base.

The lack of updates since 2015 signals a maintenance-only posture, which erodes user trust as competitors iterate on professional reporting features.

Disclosure: Independent intel to help mobile builders succeed.

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

What's new

The app remains in a zombie state, but the competitive analysis has been updated to reflect specific feature gaps and increased pressure from active market alternatives.

shifted

Outlook Trend

added

New SWOT Items

shifted

Competitive Landscape

shifted

PM Action Items

Cite this report

Marlvel.ai. “OilField HandyCalc Lite Intelligence Report.” Updated Jun 2, 2026. https://marlvel.ai/apps/oilfield-handycalc-lite

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