# SCR MAXFLO™ vs Barcode Scanner for Knack

The clearest difference is rating: Barcode Scanner for Knack at 5.0 against SCR MAXFLO™'s 4.6. Barcode Scanner for Knack also leads on iOS requirement (11.1 vs 16.6). SCR MAXFLO™'s advantage is ratings volume (5 vs 1). 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.

Barcode Scanner for Knack holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: SCR MAXFLO™ has 5 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | SCR MAXFLO™ | Barcode Scanner for Knack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/scr-maxflo/id1077499630/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/barcode-scanner-for-knack/id1483681956/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Free | Free |
| Size | 7 MB | 11 MB |
| Requires iOS | 16.6 | **11.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [SOLUNTECH SOCIEDAD POR ACCIONES SIMPLIFICADA](https://appshunter.io/developer/967011963) |

## What reviewers say

### SCR MAXFLO™

[App page](https://appshunter.io/ios/app/scr-maxflo/id1077499630)

This app calculates pressure drop, fluid velocity, Reynold's number, and friction factor for liquids and gases. It allows users to create custom projects, manage pipes, fluids, and fittings, and supports both metric and imperial units for efficient on-site work.

**Highlights:** Pressure drop calculation, Fluid velocity calculation, Reynold's number calculation, Friction factor calculation, Custom project creation, Pipe, fluid, and fitting management, Metric and imperial unit support

**Features:** macOS Compatibility

**In-app purchases:** none


### Barcode Scanner for Knack

[App page](https://appshunter.io/ios/app/barcode-scanner-for-knack/id1483681956)

This utility app scans various 1D and 2D barcode formats, directly posting the scanned content to your Knack.com applications. It's designed for use cases like inventory management and identity verification.

**Highlights:** Scans 1D and 2D barcodes, Supports EAN, UPC, Code-39, QR Code, Data Matrix, and more, Direct integration with Knack.com apps, Configurable database object and field for saving data, Useful for inventory, identity cards, and boarding passes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SCR MAXFLO™ free?

SCR MAXFLO™ is free to download, with no in-app purchases.

### Is Barcode Scanner for Knack free?

Barcode Scanner for Knack is free to download, with no in-app purchases.

### Which has better reviews, SCR MAXFLO™ or Barcode Scanner for Knack?

Barcode Scanner for Knack is rated higher. SCR MAXFLO™ averages 4.6 out of 5 from 5 ratings, while Barcode Scanner for Knack averages 5.0 from 1 ratings.

### Do SCR MAXFLO™ or Barcode Scanner for Knack have ads?

Neither SCR MAXFLO™ nor Barcode Scanner for Knack shows ads.

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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.*