Comparison

Driller's Method vs ECD Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Driller's Method calculations
  • Kick occurrence management
  • Floating platform support
  • Landing rig application
  • Kill sheet data import
  • Educational tool
Features
Read full description

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.

About

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.

Highlights
  • ECD calculation
  • Drilling engineering
  • Mud engineering
  • Point-of-operation calculation
  • Streamlined interface
Features
Read full description

ECD calculator help drilling and mud engineers calculate the ECD at any point with a few click

Screenshots

Driller's Method4 screens
ECD Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: ECD Calculator at 100% against Driller's Method's 0%. ECD Calculator also leads on price (Free vs $19.99) and update cadence (every 5 days vs every 16 months). Driller's Method's advantage is in-app purchases (none vs 2). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

ECD Calculator is free to download; Driller's Method costs $19.99 up front. ECD Calculator sells 2 one-off in-app purchases. Driller's Method asks for nothing beyond the download.

UpkeepUpdate frequency

Driller's Method ships an update every 16 months, ECD Calculator every 5 days. The most recent releases landed on September 2, 2026 and August 19, 2026 respectively.

Scorecard5 real differences · 5 level
Driller's Method versus ECD Calculator: the parameters behind the verdict, then further details
ParameterDriller's MethodECD Calculator
Price$19.99Free — better
Rating—5.0 (5 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings—5 — better
Update frequencyEvery 16 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size19 MB45 MB
Age rating4+17+
DeveloperCarlos MouraDrillsoft LLC

Customer experience

Driller's Method

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ECD Calculator

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Driller's Method

No in-app purchases

2 purchases

ECD Calculator

One-time2
  • 50 credits$3.99
  • 300 Credits$9.99

Questions

Is Driller's Method free?
Driller's Method costs $19.99, with no in-app purchases.
Is ECD Calculator free?
ECD Calculator is free to download, with in-app purchases available.
Do Driller's Method or ECD Calculator have ads?
Neither Driller's Method nor ECD Calculator shows ads.
Which is updated more often, Driller's Method or ECD Calculator?
Driller's Method ships an update every 16 months, and ECD Calculator every 5 days. Most recently, Driller's Method was updated on September 2, 2026 and ECD Calculator on August 19, 2026.

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