# Virtual Ringelmann vs SUNTRACK FIELD SERVICE

The clearest difference is review sentiment: Virtual Ringelmann at 50% against SUNTRACK FIELD SERVICE's 0%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Virtual Ringelmann | SUNTRACK FIELD SERVICE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/suntrack-field-service/id1576254272/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 73 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACT Sistemas LTDA](https://appshunter.io/developer/1569392578) | [P4Q ELECTRONICS](https://appshunter.io/developer/1576254274) |

## 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


### SUNTRACK FIELD SERVICE

[App page](https://appshunter.io/ios/app/suntrack-field-service/id1576254272)

Manage and update suntrack devices by scanning them. This utility app allows for efficient device management and updates.

**Highlights:** Scan devices, Update devices, Manage suntrack devices

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

**In-app purchases:** none


## Frequently asked questions

### Is Virtual Ringelmann free?

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

### Is SUNTRACK FIELD SERVICE free?

SUNTRACK FIELD SERVICE is free to download, with no in-app purchases.

### Do Virtual Ringelmann or SUNTRACK FIELD SERVICE have ads?

Neither Virtual Ringelmann nor SUNTRACK FIELD SERVICE shows ads.

### Which is updated more often, Virtual Ringelmann or SUNTRACK FIELD SERVICE?

Virtual Ringelmann ships an update monthly, and SUNTRACK FIELD SERVICE monthly. Most recently, Virtual Ringelmann was updated on October 15, 2026 and SUNTRACK FIELD SERVICE on October 25, 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.*