Best Dr. DE alternatives: apps like Dr. DE

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated November 2026
Dr. DE
Dr. DE
Pegasus Vertex, Inc.

Dr. DE is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Dr. DE

Hole Volumes#1

Hole Volumes by Ash Point Ltd.

Casing & Tubing Volumes
Editor's Choice
πŸ”§ Utilities
4.0(3 ratings)
Free
Hole Volumes screenshot 1
Hole Volumes screenshot 2
Hole Volumes screenshot 3

This app calculates various oilfield volumes, including hole, annular, tubing, and displacement. Users input depth, casing, and tubing sizes to get quick results. It supports both metric and standard units and allows for custom pipe sizes.

More apps like Dr. DE

4
Mud Man Pro
Mud Man Pro
Mud Man Pro
by Colten Meadows
Free

This offline drilling fluid calculator provides essential tools for mud engineers on the rig. It offers over 20 specialized calculators for various fluid properties and operations, along with a comprehensive field notes library. Designed for speed and accuracy without internet dependency.

20+ drilling fluid calculatorsOBM and WBM supportOffline functionality
πŸ”§ Utilities
(1)
free
5
Workover Assistant
Workover Assistant
Workover Assistant
by Kelly Gayneaux
Free

This utility app assists oil and gas field personnel with essential calculations for well workovers. It provides tools for hydrostatic pressure, internal capacity, and other critical functions, serving as a convenient resource for rig site or office use.

Hydrostatic pressure calculationsInternal capacity calculationsOil and gas well workover tools
πŸ”§ Utilities
(2)
free
6
TallyRig: Well Control Calc
TallyRig: Well Control Calc
TallyRig: Well Control Calc
Oilfield Calcs + Saved History
Free

This app provides a suite of 17 oilfield and drilling calculators designed for field use. It features a digital tally-book history to save and share results, with offline functionality and a user-friendly interface for rig environments. Supports multiple languages and unit systems.

17 oilfield & drilling calculatorsDigital tally-book historyOffline-first functionality
πŸ”§ Utilities
(1)
free
7
WellCalc
WellCalc
WellCalc
Petroleum Engineering Calcs
Free
πŸ”§ Utilities
(0)
8
ECD Calculator
ECD Calculator
ECD Calculator
by Drillsoft LLC
Free

This utility app assists drilling and mud engineers in calculating Equivalent Circulating Density (ECD) at any point during operations. It offers a streamlined process with just a few clicks.

ECD calculationDrilling engineeringMud engineering
πŸ”§ Utilities
(5)
free
9
DR Chemical
DR Chemical
DR Chemical
HDD Fluid Formulas and Info
Free

This reference guide provides essential information, formulas, and calculators for HDD, mining, and water well drilling professionals. It simplifies job tasks, enhancing efficiency and safety by offering easy access to product details and calculations.

DrillRite Chem product informationReference materialsCalculators for drilling crews
πŸ”§ Utilities
(3)
free
10
Oil & Gas Calculator : OilCalc
Oil & Gas Calculator : OilCalc
Oil & Gas Calculator : OilCalc
Drilling, production Calcs
Free

This app provides specialized calculators for oil and gas professionals, covering drilling, production, reservoir analysis, and trading. It offers quick calculations with guided inputs, unit conversions, and shareable reports for field operations.

Drilling calculations (MASP, kick tolerance)Production metrics (GOR, tank volumes)Reservoir analysis (OOIP, decline curves)
πŸ”§ Utilities
(2)
free with in-app purchases