# Virtual Ringelmann vs QR Barcode Creator & Scanner

The clearest difference is in-app purchases: Virtual Ringelmann at none against QR Barcode Creator & Scanner's 3. Virtual Ringelmann also leads on iOS requirement (15.0 vs 17.0). QR Barcode Creator & Scanner's advantage is update cadence (every 4 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. QR Barcode Creator & Scanner sells 3 in-app purchases, starting at $6.99 per 7 days. Virtual Ringelmann asks for nothing beyond the download.

Virtual Ringelmann ships an update monthly, QR Barcode Creator & Scanner every 4 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Virtual Ringelmann | QR Barcode Creator & Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 73 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ACT Sistemas LTDA](https://appshunter.io/developer/1569392578) | [Beijing Anxinzhitong Technology Co., Ltd](https://appshunter.io/developer/1522290222) |

## What reviewers say

### Virtual Ringelmann

[App page](https://appshunter.io/ios/app/virtual-ringelmann/id1569392576)

This app aids in black smoke inspections by virtualizing the Ringelmann Scale methodology through your device's camera. It streamlines the process for assessing emissions from diesel engines and industrial chimneys, supporting environmental compliance and decision-making.

**Highlights:** Virtual Ringelmann Scale measurement, Supports vehicular and stationary surveillance, Automatic pollution index identification, Generates photographic evidence, Web portal integration for reports, Historical data logging

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Barcode Creator & Scanner

[App page](https://appshunter.io/ios/app/qr-barcode-creator-and-scanner/id6793032935)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $6.99 | per 7 days |
| Premium Yearly - 3 Days Free | $69.99 | per year |
| Premium Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Virtual Ringelmann free?

Virtual Ringelmann is free to download, with no in-app purchases.

### Is QR Barcode Creator & Scanner free?

QR Barcode Creator & Scanner is free to download, with in-app purchases available.

### Do Virtual Ringelmann or QR Barcode Creator & Scanner have ads?

Neither Virtual Ringelmann nor QR Barcode Creator & Scanner shows ads.

### Which is updated more often, Virtual Ringelmann or QR Barcode Creator & Scanner?

Virtual Ringelmann ships an update monthly, and QR Barcode Creator & Scanner every 4 days. Most recently, Virtual Ringelmann was updated on October 15, 2026 and QR Barcode Creator & Scanner on October 13, 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.*