Comparison

Virtual Ringelmann vs Smart Acesso

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Virtual Ringelmann

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
Read full description

Assistance system for black smoke inspections. Through the camera of your device, we virtualize the Ringelmann Scale methodology, used worldwide to measure the emission of black smoke from diesel engines and industrial chimneys. The inspection process is faster and more efficient and it is possible to inspect a greater number of vehicles and chimneys, thus allowing them to be sent to suitability, thus reducing the emission of black smoke and freeing the environment from tons of this residue. Virtual Ringelmann supports both vehicular and stationary surveillance methods. It was developed for industries and transport companies that need to implement the concept of environmental management in the administration and operation of pollutant emitters and who wish to be aligned with municipal, state, national, or international environmental legislation and standards such as 14001. Benefits of Virtual Ringelmann • Measurement Assessment of the conditions of the fleet or industrial chimneys supporting decision making for preventive and corrective actions. • Decision support It automatically identifies and records the pollution index emitted by the inspected source through the captured image. This information together with the registered image will allow a richer analysis of the characteristics of the measurements. • Confidence Generates evidence through photographic image captured during the inspection process. This image can be sent to the Virtual Ringelmann Portal (http://portal.virtualringelmann.com) to generate a decision support report. • Integration Allows the generation of inspection reports on the web portal as well as the creation of a history of the vehicular or stationary sources inspected • Convenience For large companies, it will be possible to maintain a single technical person responsible for analyzing the measurements without leaving the company using the reports issued by the portal. The measurements will be more constant, however, made by common people, without the need for analysis training as it is with the PAPEL scale, bringing more credibility and economy to the inspection process. Virtual Ringelmann is the evolution of a product created in 1888 in order to facilitate inspection and monitoring of smoke emitters.

About

Smart Acesso

Features
Read full description

Avisos, encomendas e histórico de acessos do condomínio, com notificações push no iPhone.

Screenshots

Virtual Ringelmann4 screens
Smart Acesso4 screens

Verdict

The call

The clearest difference is update cadence: Virtual Ringelmann at monthly against Smart Acesso's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Virtual Ringelmann ships an update monthly, Smart Acesso every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 7 level
Virtual Ringelmann versus Smart Acesso: the parameters behind the verdict, then further details
ParameterVirtual RingelmannSmart Acesso
PriceFreeFree
Positive reviews50.0% of reviews—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.1
Further details — not scored
Size73 MB33 MB
Age rating4+4+
DeveloperACT Sistemas LTDASMART PRONTO CONTROLE DE ACESSO

In-app purchases

None

Virtual Ringelmann

No in-app purchases

None

Smart Acesso

No in-app purchases

Questions

Is Virtual Ringelmann free?
Virtual Ringelmann is free to download, with no in-app purchases.
Is Smart Acesso free?
Smart Acesso is free to download, with no in-app purchases.
Do Virtual Ringelmann or Smart Acesso have ads?
Neither Virtual Ringelmann nor Smart Acesso shows ads.
Which is updated more often, Virtual Ringelmann or Smart Acesso?
Virtual Ringelmann ships an update monthly, and Smart Acesso every 2 months. Most recently, Virtual Ringelmann was updated on November 3, 2026 and Smart Acesso on October 31, 2026.

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