# Additel Link vs Orifice Flow Rate Calculator

The clearest difference is review sentiment: Orifice Flow Rate Calculator at 100% against Additel Link's 0%. Orifice Flow Rate Calculator also leads on rating (4.9 vs 4.2) and ratings volume (114 vs 5). Additel Link's advantage is update cadence (every 6 weeks vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Orifice Flow Rate Calculator holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Orifice Flow Rate Calculator has 114 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Additel Link's written reviews are positive against 100% of Orifice Flow Rate Calculator's.

Additel Link ships an update every 6 weeks, Orifice Flow Rate Calculator every 6 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Additel Link | Orifice Flow Rate Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/additel-link/id1384771634/reviews) | **[4.9 (114 ratings)](https://appshunter.io/ios/app/orifice-flow-rate-calculator/id1439701941/reviews)** |
| Number of ratings | 5 | **114** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 146 MB | 2 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Additel Corp.](https://appshunter.io/developer/1384771633) | [R.L. Laughlin & Company, Inc.](https://appshunter.io/developer/1438670681) |

## What reviewers say

### Additel Link

[App page](https://appshunter.io/ios/app/additel-link/id1384771634)

This utility software connects to smart instruments via Bluetooth or network for remote monitoring, control, and data download. It simplifies traditional calibration tests, making them more efficient and digital.

**Highlights:** Remote monitoring and control, Data download and logging, Bluetooth and network connectivity, Simplified calibration tests, Real-time data display, Device status and information

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Additel Link free?

Additel Link is free to download, with no in-app purchases.

### Is Orifice Flow Rate Calculator free?

Orifice Flow Rate Calculator is free to download, with no in-app purchases.

### Which has better reviews, Additel Link or Orifice Flow Rate Calculator?

Orifice Flow Rate Calculator is rated higher. Additel Link averages 4.2 out of 5 from 5 ratings, while Orifice Flow Rate Calculator averages 4.9 from 114 ratings.

### Do Additel Link or Orifice Flow Rate Calculator have ads?

Neither Additel Link nor Orifice Flow Rate Calculator shows ads.

### Which is updated more often, Additel Link or Orifice Flow Rate Calculator?

Additel Link ships an update every 6 weeks, and Orifice Flow Rate Calculator every 6 months. Most recently, Additel Link was updated on November 6, 2026 and Orifice Flow Rate Calculator on November 2, 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.*