Hole Volumes vs CPC Utility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hole Volumes
This app calculates various oilfield volumes, including hole, annular, tubing, and displacement. Users input depth, casing, and tubing sizes to get quick results. It supports both metric and standard units and allows for custom pipe sizes.
- Calculate hole volumes
- Calculate annular volumes
- Calculate tubing volumes
- Calculate displacement volumes
- Supports metric and standard units
- Custom pipe size entry
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Oilfield Tubing Volumes allows you to easily calculate hole, annular, tubing, and displacement volumes. Just enter the depth, casing, and tubing size and the app will do the rest! -Made specifically for oilfield/service rig applications. -Easily figure out hole volumes by putting in the hole depth and selecting the pipe and casing size. -Change from metric to standard depths and sizes -Enter custom pipe sizes *These numbers will be very close, but due to pipe weights and make, volumes may be slightly off.
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 review sentiment: CPC Utility at 100% against Hole Volumes's 0%. CPC Utility also leads on rating (5.0 vs 4.0) and device support (3 vs 1). Hole Volumes's advantage is update cadence (every 5 months vs every 12 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
CPC Utility holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 0% of Hole Volumes's written reviews are positive against 100% of CPC Utility's.
Hole Volumes ships an update every 5 months, CPC Utility every 12 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Hole Volumes | CPC Utility |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 3 |
| Update frequency | Every 5 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Ash Point Ltd. | Thru Tubing Solutions Inc. |
Customer experience
Hole Volumes
CPC Utility
In-app purchases
Hole Volumes
No in-app purchases
CPC Utility
No in-app purchases
Questions
Is Hole Volumes free?
Is CPC Utility free?
Which has better reviews, Hole Volumes or CPC Utility?
Do Hole Volumes or CPC Utility have ads?
Which is updated more often, Hole Volumes or CPC Utility?
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