Drilling Engineering vs ECD Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Drilling Engineering
This app provides essential tools for oil and gas professionals involved in drilling operations. It offers unit conversions, a comprehensive drilling calculator, API tubular data, stuck pipe problem identification, and well control calculations.
- Petroleum Unit Conversion
- Drilling Calculator (90+ calculations)
- API Tubular Data
- Stuck Pipe Problem Identification
- Well Control Kill Sheet
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"Drilling Engineering" mobile application is provided by Drilling UTC of Pertamina for anyone who works and or engaged in oil and gas activity, particularly in planning and drilling operations. "Drilling Engineering" mobile application include: 1. Petroleum Unit Conversion to convert the units are often used in drilling operations, including the Temperature, Pressure , Density , depth , and other parameters. 2. Drilling Calculator consists of approximately 90 base drilling calculations, both in drilling operations and design. 3. API Tubular Data provides tubular data base such as casing, tubing, and drill pipe, give a quick access to pipe dimension and strength. 4. Stuck Pipe Problem Identification is based on Texas Drilling Associates Stuck pipe logics. Analyze the cause of stuck pipe, could be occurred because of Pack-off/bridge, Wellbore Geometry and Differential Sticking. 5. Well Control Kill Sheet is an IADC based calculation to stop the flow of an influx from formation using wait and weight method.
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 review sentiment: ECD Calculator at 100% against Drilling Engineering's 50%. ECD Calculator also leads on rating (5.0 vs 3.8) and update cadence (every 5 days vs every 42 months). Drilling Engineering's advantage is in-app purchases (none vs 2) and ratings volume (19 vs 5). On price, ads, monetization model and device support 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
Both are free to download. ECD Calculator sells 2 one-off in-app purchases. Drilling Engineering asks for nothing beyond the download.
ECD Calculator holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 19 and 5 respectively. Written reviews point the same way: 50% of Drilling Engineering's written reviews are positive against 100% of ECD Calculator's.
Drilling Engineering ships an update every 42 months, ECD Calculator every 5 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | Drilling Engineering | ECD Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (19 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 19 — better | 5 |
| Update frequency | Every 42 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 8 MB | 45 MB |
| Age rating | 4+ | 17+ |
| Developer | PT. Pertamina (Persero) | Drillsoft LLC |
Customer experience
Drilling Engineering
ECD Calculator
In-app purchases
Drilling Engineering
No in-app purchases
ECD Calculator
- 50 credits$3.99
- 300 Credits$9.99
Questions
Is Drilling Engineering free?
Is ECD Calculator free?
Which has better reviews, Drilling Engineering or ECD Calculator?
Do Drilling Engineering or ECD Calculator have ads?
Which is updated more often, Drilling Engineering or ECD Calculator?
Other comparisons
