# Orifice Flow Rate Calculator vs CPC Utility

The clearest difference is ratings volume: Orifice Flow Rate Calculator at 114 against CPC Utility's 3. Orifice Flow Rate Calculator also leads on update cadence (every 6 months vs every 12 months). CPC Utility's advantage is iOS requirement (13.0 vs 15.6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Orifice Flow Rate Calculator against 5.0 for CPC Utility. That said, the two scores are not equally well evidenced: Orifice Flow Rate Calculator has 114 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Orifice Flow Rate Calculator ships an update every 6 months, CPC Utility every 12 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Orifice Flow Rate Calculator | CPC Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (114 ratings)](https://appshunter.io/ios/app/orifice-flow-rate-calculator/id1439701941/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cpc-utility/id1502728707/reviews)** |
| Number of ratings | **114** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 2 MB | 27 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R.L. Laughlin & Company, Inc.](https://appshunter.io/developer/1438670681) | [Thru Tubing Solutions Inc.](https://appshunter.io/developer/1502728706) |

## What reviewers say

### Orifice Flow Rate Calculator

[App page](https://appshunter.io/ios/app/orifice-flow-rate-calculator/id1439701941)

Easily calculate natural gas orifice flow rates using the AGA 3 standard. This utility app allows users to determine MCF production for a given duration, save calculations, and export data to CSV. It functions offline, requiring no cell service.

**Highlights:** Orifice MCF Calculator, Rotary (Direct) MCF Calculator, Save all calculations, View saved inputs and calculations, Export calculations to CSV

**Features:** macOS Compatibility

**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 Orifice Flow Rate Calculator free?

Orifice Flow Rate Calculator 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, Orifice Flow Rate Calculator or CPC Utility?

CPC Utility is rated higher. Orifice Flow Rate Calculator averages 4.9 out of 5 from 114 ratings, while CPC Utility averages 5.0 from 3 ratings.

### Do Orifice Flow Rate Calculator or CPC Utility have ads?

Neither Orifice Flow Rate Calculator nor CPC Utility shows ads.

### Which is updated more often, Orifice Flow Rate Calculator or CPC Utility?

Orifice Flow Rate Calculator ships an update every 6 months, and CPC Utility every 12 months. Most recently, Orifice Flow Rate Calculator was updated on November 2, 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.*