Driller's Method Worksheets vs ECD Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Driller's Method Worksheets
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This app utilizes standardized Worksheets based on the Driller's method for well control operations following a kick. It supports both floating rigs with subsea stacks and surface stack operations. Designed for field applications and instructional use, it helps engineers and rig teams deepen their understanding of the Driller's method. Key Features & Integration * Fully compatible with field workflows and training scenarios. * Seamlessly import data files to populate kill sheets directly from our suite of well control apps: Drilling Hydraulics, Drilling Simulator 1, 2 & 3, Kick Game, Kick Tolerance, LOT Simulator, MPD Simulator, Well Control Methods, and Well Control Simulator 1 & 2. Our Mission Developed alongside industry experts using established spreadsheets, this app provides an accessible, cost-effective tool for drilling engineers, toolpushers, drillers, technicians, students, and instructors. It is designed as a practical field utility and learning companion, not a replacement for full-scale commercial engineering software. Feedback & Community We continuously improve our tools. Feel free to share feedback, report bugs, suggest translation refinements, or share this app with your colleagues. Thanks DISCLAIMER: These tools and materials are provided "as is" and "as available," without warranties of any kind, express or implied. You are solely responsible for verifying the accuracy and appropriateness of any calculations or data generated by this application prior to use. Any reliance on or use of these tools is strictly at your own risk. In no event shall the developer be liable for any direct, indirect, incidental, or consequential damages resulting from the use or inability to use this application.
ECD Calculator
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 calculation
- Drilling engineering
- Mud engineering
- Point-of-operation calculation
- Streamlined interface
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ECD calculator help drilling and mud engineers calculate the ECD at any point with a few click
Screenshots
Verdict
The clearest difference is price: ECD Calculator at Free against Driller's Method Worksheets's $19.99. ECD Calculator also leads on update cadence (every 5 days vs every 4 months) and device support (3 vs 1). Driller's Method Worksheets's advantage is in-app purchases (none vs 2). On ads 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
ECD Calculator is free to download; Driller's Method Worksheets costs $19.99 up front. ECD Calculator sells 2 one-off in-app purchases. Driller's Method Worksheets asks for nothing beyond the download.
Driller's Method Worksheets ships an update every 4 months, ECD Calculator every 5 days. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.
| Parameter | Driller's Method Worksheets | ECD Calculator |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 45 MB |
| Age rating | 4+ | 17+ |
| Developer | Carlos Moura | Drillsoft LLC |
In-app purchases
Driller's Method Worksheets
No in-app purchases
ECD Calculator
- 50 credits$3.99
- 300 Credits$9.99
Questions
Is Driller's Method Worksheets free?
Is ECD Calculator free?
Do Driller's Method Worksheets or ECD Calculator have ads?
Which is updated more often, Driller's Method Worksheets or ECD Calculator?
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