Dr. DE vs Driller's Method
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dr. DE
This mobile toolbox simplifies complex drilling engineering calculations. It offers a comprehensive suite of 29 functions across 11 categories, eliminating the need for handbooks and improving efficiency for engineers and technicians.
- 29 drilling engineering functions
- 11 functional groups
- Bit hydraulics calculations
- Hole cleaning analysis
- Well control solutions
- Unit conversion tools
- Tank capacity calculations
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Do you want to solve drilling engineering problems in seconds? It is easier than ever before to use Dr. DE Lite mobile app, a must-have toolbox app that includes a substantial collection of functions for every drilling engineer and technician. Bid farewell to flipping through handbooks, textbooks, standards, etc. for answers. This free app, sophisticated yet simple to use, not only saves time and money, but also makes your engineering and sales efforts more reliable and professional. The Dr. DE Lite app is equipped with 29 functions that are divided into 11 groups. --Bit Hydraulics --Casing Centralizer --Hole Cleaning --Hydraulics --Mud Additives --Pipe --Pump --Tank Capacity --Volume and Capacity --Well Control --Unit Conversion
Driller's Method
This application assists with oil well control calculations using the Driller's Method, particularly for kick occurrences on floating and landing rigs. It's a tool for oilfield professionals and students to understand and apply these essential calculations.
- Driller's Method calculations
- Kick occurrence management
- Floating platform support
- Landing rig application
- Kill sheet data import
- Educational tool
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This app is designed for both iPhone and iPad. This application uses the basic calculations of the Driller's Method to control oil wells after the occurrence of kick during drilling operations on floating platforms and landing rigs. It is an useful tool to import data files to fill kill sheets from our apps: (Driling Hydraulics, Drilling Simulator 1, 2 and 3, MPD Simulator, Kick Game, Kick Tolerance, LOT Simulator and Well Control Simulator 1 and 2) available for sale in our portfolio on the App Store. It is can be applied on the oilfield (see Disclaimer) and also to help in the understanding of the Driller's Method. This app was developed based on existing spreadsheets. There is no comparison with any other software. Our goal was to create a low-cost application with the help of experts to share with drilling engineers, technicians, drillers, students and teachers of drilling engineering. There is no intention to replace the professional softwares. You can contribute with suggestions for improvements, correcting the translation to english, reporting bugs and spreading it to your friends. Thanks DISCLAIMER: These tools & materials are provided 'as is' without warranties of any kind, express or implied. Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools. Any use you choose to make of these tools & materials is undertaken by you entirely at your own risk.
Screenshots
Verdict
The clearest difference is review sentiment: Dr. DE at 56% against Driller's Method's 0%. Dr. DE also leads on price (Free vs $19.99) and update cadence (every 3 months vs every 16 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Dr. DE is free to download; Driller's Method costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Dr. DE ships an update every 3 months, Driller's Method every 16 months. The most recent releases landed on July 18, 2026 and September 2, 2026 respectively.
| Parameter | Dr. DE | Driller's Method |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 4.5 (16 ratings) — better | — |
| Positive reviews | 55.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 16 — better | — |
| Update frequency | Every 3 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 33 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | Pegasus Vertex, Inc. | Carlos Moura |
Customer experience
Dr. DE
Driller's Method
In-app purchases
Dr. DE
No in-app purchases
Driller's Method
No in-app purchases
Questions
Is Dr. DE free?
Is Driller's Method free?
Do Dr. DE or Driller's Method have ads?
Which is updated more often, Dr. DE or Driller's Method?
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