Volumetric Method vs CPC Utility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Volumetric Method
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This app is designed for both iPhone and iPad. This application uses the basic calculations of the Volumetric Method to control oil wells after the occurrence of kick during drilling operations on landing rigs (Onshore). - Starting on version 1.1, this app is optimized for horizontal and directional wells. It imports data files from our apps: (Driling Hydraulics, Drilling Simulators, Kick Tolerance, Kick Game, MPD Simulator and Well Control Simulators) available for sale in our portfolio on the App Store. It is can be applied on the oilfield and also help in the understanding of the Volumetric Method of well control. 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 you own risk.
CPC Utility
This utility app provides instant contact with well control services for emergencies. It also includes helpful calculators and lookup tables for casing, flange, coiled tubing, and nitrogen volume.
- 24/7 Well Control callout
- Casing information lookup
- Flange data
- Coiled tubing calculator
- Nitrogen volume calculator
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CPC Utility is the quickest way to get in touch with CUDD Well Control Services in the event of a well control incident, providing a 24 hr phone response with a live engineer at the click of a button. In addition to Well Control callout, the app also provides several useful calculators and lookup tables. * Casing Info - Sizes and Ratings * Flange Info - Bore Size, Gasket, Hole Pattern... * Coiled Tubing Calculator * Nitrogen Volume Calculator - Get SCF / BBL at specified temperature and pressure
Screenshots
Verdict
The clearest difference is price: CPC Utility at Free against Volumetric Method's $19.99. CPC Utility also leads on update cadence (every 12 months vs every 38 months). Volumetric Method's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases 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
CPC Utility is free to download; Volumetric Method costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Volumetric Method ships an update every 38 months, CPC Utility every 12 months. The most recent releases landed on September 10, 2026 and June 4, 2026 respectively.
| Parameter | Volumetric Method | CPC Utility |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 38 months | Every 12 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 16 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Moura | Thru Tubing Solutions Inc. |
In-app purchases
Volumetric Method
No in-app purchases
CPC Utility
No in-app purchases
Questions
Is Volumetric Method free?
Is CPC Utility free?
Do Volumetric Method or CPC Utility have ads?
Which is updated more often, Volumetric Method or CPC Utility?
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