# Hole Volumes vs CPC Utility

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.

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.

## The numbers

| Metric | Hole Volumes | CPC Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/hole-volumes/id645763976/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cpc-utility/id1502728707/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 4 MB | 27 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ash Point Ltd.](https://appshunter.io/developer/567630274) | [Thru Tubing Solutions Inc.](https://appshunter.io/developer/1502728706) |

## What reviewers say

### Hole Volumes

[App page](https://appshunter.io/ios/app/hole-volumes/id645763976)

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.

**Highlights:** Calculate hole volumes, Calculate annular volumes, Calculate tubing volumes, Calculate displacement volumes, Supports metric and standard units, Custom pipe size entry

**Features:** Vision Pro support

**In-app purchases:** none


### CPC Utility

[App page](https://appshunter.io/ios/app/cpc-utility/id1502728707)

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.

**Highlights:** 24/7 Well Control callout, Casing information lookup, Flange data, Coiled tubing calculator, Nitrogen volume calculator

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hole Volumes free?

Hole Volumes is free to download, with no in-app purchases.

### Is CPC Utility free?

CPC Utility is free to download, with no in-app purchases.

### Which has better reviews, Hole Volumes or CPC Utility?

CPC Utility is rated higher. Hole Volumes averages 4.0 out of 5 from 3 ratings, while CPC Utility averages 5.0 from 3 ratings.

### Do Hole Volumes or CPC Utility have ads?

Neither Hole Volumes nor CPC Utility shows ads.

### Which is updated more often, Hole Volumes or CPC Utility?

Hole Volumes ships an update every 5 months, and CPC Utility every 12 months. Most recently, Hole Volumes was updated on November 1, 2026 and CPC Utility on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*