# Orifice Flow Rate Calculator vs EasyVEE®

Orifice Flow Rate Calculator and EasyVEE® are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Orifice Flow Rate Calculator ships an update every 6 months, EasyVEE® every 3 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Orifice Flow Rate Calculator | EasyVEE® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (113 ratings)](https://appshunter.io/ios/app/orifice-flow-rate-calculator/id1439701941/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R.L. Laughlin & Company, Inc.](https://appshunter.io/developer/1438670681) | [FLOW-METER S.P.A.](https://appshunter.io/developer/1542755704) |

## 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


### EasyVEE®

[App page](https://appshunter.io/ios/app/easyvee/id1542755702)

**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 EasyVEE® free?

EasyVEE® is free to download, with no in-app purchases.

### Do Orifice Flow Rate Calculator or EasyVEE® have ads?

Neither Orifice Flow Rate Calculator nor EasyVEE® shows ads.

### Which is updated more often, Orifice Flow Rate Calculator or EasyVEE®?

Orifice Flow Rate Calculator ships an update every 6 months, and EasyVEE® every 3 months. Most recently, Orifice Flow Rate Calculator was updated on October 24, 2026 and EasyVEE® on October 12, 2026.

---

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