# OBDMap vs Virtual Ringelmann

The clearest difference is review sentiment: Virtual Ringelmann at 50% against OBDMap's 33%. 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.

OBDMap ships an update every 2 months, Virtual Ringelmann monthly. The most recent releases landed on August 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | OBDMap | Virtual Ringelmann |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 70 MB | 73 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chiptronic Eletronica do Brasil Ltda](https://appshunter.io/developer/1098176482) | [ACT Sistemas LTDA](https://appshunter.io/developer/1569392578) |

## What reviewers say

### OBDMap

[App page](https://appshunter.io/ios/app/obdmap/id1179489593)

This professional automotive tool offers comprehensive solutions for immobilizer systems, enabling key and remote programming, password reading, and module matching. It's designed for automotive professionals, from beginners to experts, providing quick and secure services for a wide range of vehicles.

**Highlights:** Automotive key coding, Immobilizer solutions, Key and remote programming, Password reading, Module matching, Intuitive interface, Expandable memory

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is OBDMap free?

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

### Is Virtual Ringelmann free?

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

### Do OBDMap or Virtual Ringelmann have ads?

Neither OBDMap nor Virtual Ringelmann shows ads.

### Which is updated more often, OBDMap or Virtual Ringelmann?

OBDMap ships an update every 2 months, and Virtual Ringelmann monthly. Most recently, OBDMap was updated on August 8, 2026 and Virtual Ringelmann on September 10, 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.*