# OPTIC Mobile (Friendly Eagle) vs SCADACore AGA Flow Calculator

The clearest difference is update cadence: OPTIC Mobile (Friendly Eagle) at every 4 weeks against SCADACore AGA Flow Calculator's every 10 months. SCADACore AGA Flow Calculator's advantage is iOS requirement (8.0 vs 15.0). 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.

OPTIC Mobile (Friendly Eagle) ships an update every 4 weeks, SCADACore AGA Flow Calculator every 10 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OPTIC Mobile (Friendly Eagle) | SCADACore AGA Flow Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optic-mobile-friendly-eagle/id1459160092/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 10 months |
| Monetization | Free | Free |
| Size | 76 MB | 33 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FRIENDLY EAGLE SOFTWARE INC.](https://appshunter.io/developer/1459160091) | [SCADACore Inc.](https://appshunter.io/developer/1497352452) |

## What reviewers say

### OPTIC Mobile (Friendly Eagle)

[App page](https://appshunter.io/ios/app/optic-mobile-friendly-eagle/id1459160092)

Access and modify records from the OPTIC server on your mobile device. Create, delete, and update entries, with offline capabilities for data and documents. Sync changes back to the server when connected.

**Highlights:** View and update server records, Create and delete new records, Offline data access and saving, Downloadable documents and SDS, Customizable download settings, Syncs with OPTIC Web application

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SCADACore AGA Flow Calculator

[App page](https://appshunter.io/ios/app/scadacore-aga-flow-calculator/id1497352453)

Calculate gas flow through an Orifice Meter using AGA 8 compressibility and AGA 3 flow calculations. Supports both metric and imperial units, remembers input values, and generates shareable PDF reports.

**Highlights:** Orifice Meter gas flow calculation, AGA 8 compressibility calculations, AGA 3 gas flow calculations, Metric and imperial units, Input value memory, Shareable PDF reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OPTIC Mobile (Friendly Eagle) free?

OPTIC Mobile (Friendly Eagle) is free to download, with no in-app purchases.

### Is SCADACore AGA Flow Calculator free?

SCADACore AGA Flow Calculator is free to download, with no in-app purchases.

### Do OPTIC Mobile (Friendly Eagle) or SCADACore AGA Flow Calculator have ads?

Neither OPTIC Mobile (Friendly Eagle) nor SCADACore AGA Flow Calculator shows ads.

### Which is updated more often, OPTIC Mobile (Friendly Eagle) or SCADACore AGA Flow Calculator?

OPTIC Mobile (Friendly Eagle) ships an update every 4 weeks, and SCADACore AGA Flow Calculator every 10 months. Most recently, OPTIC Mobile (Friendly Eagle) was updated on October 24, 2026 and SCADACore AGA Flow Calculator on October 8, 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.*