# Volumetric Method vs CPC Utility

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.

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.

## The numbers

| Metric | Volumetric Method | CPC Utility |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cpc-utility/id1502728707/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 12 months** |
| Monetization | — | Free |
| Size | 16 MB | 27 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Moura](https://appshunter.io/developer/407501202) | [Thru Tubing Solutions Inc.](https://appshunter.io/developer/1502728706) |

## What reviewers say

### Volumetric Method

[App page](https://appshunter.io/ios/app/volumetric-method/id1067133508)

**Features:** macOS Compatibility, 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 Volumetric Method free?

Volumetric Method costs $19.99, with no in-app purchases.

### Is CPC Utility free?

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

### Do Volumetric Method or CPC Utility have ads?

Neither Volumetric Method nor CPC Utility shows ads.

### Which is updated more often, Volumetric Method or CPC Utility?

Volumetric Method ships an update every 38 months, and CPC Utility every 12 months. Most recently, Volumetric Method was updated on September 10, 2026 and CPC Utility on June 4, 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.*