Comparison

Radioactivity Conversion vs VMC Active

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

Head to head
About

Radioactivity Conversion

Easily convert between various units related to radioactive decay. Understand the process of emitting radioactive particles and the properties of elements exhibiting radioactivity.

Highlights
  • Radioactive decay unit conversion
  • Information on radioactive decay process
  • Details on radioactive particles
  • Explanation of half-life
  • Properties of radioactive elements
Features
Read full description

Radioactivity Conversion or Radioactive Decay Unit Conversion - Easily convert between various Radioactive units. Radioactive decay is the process of emitting radioactive particles, particularly ionizing radiation. Various types of radioactive decay include alpha, beta, and gamma decay, named after the particles emitted during this process. As decay occurs, radioactive particles carry energy away from the nucleus. In some cases, radioactive decay can transform the original nucleus into either a different nucleus or a nucleus in an altered state. Radioactivity is a property exhibited by certain elements, where the atomic nucleus spontaneously loses electromagnetic energy due to its inherent instability. This phenomenon was first discovered in 1896 by the French physicist Antoine-Henri Becquerel. During this process, ionizing particles and electromagnetic radiation are emitted from the nucleus. Many elements exhibit natural radioactivity. The duration for radiation to undergo decay varies between elements and their isotopes, often measured in terms of a half-life. The half-life signifies the time it takes for an element's radiation to decrease to half of its initial intensity. Certain elements like uranium and thorium continuously emit radiation and ionizing particles, leading to the formation of different daughter elements while releasing energy in the form of alpha, beta, and gamma radiation. One particularly significant radioactive element is Radon, a dense, colorless, and odorless gas with a boiling point of -61.8°C (-79.2°F). Radon readily dissolves in water below its boiling point and can freeze at low temperatures. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

VMC Active

Features
Read full description

VMC Active: the application for advanced control of the mechanical ventilation unit. Thanks to the use of VMC Active, you can easily manage mechanical ventilation units and activate various air treatment functions through an intelligent and intuitive graphical interface. This application allows you to set desired values for ventilation, air exchange, temperature, and ambient humidity. You can monitor the operating status of the units and adjust it to the surrounding environment. By using the weekly programming function, you can customize the operation of VMC units according to your needs. You can schedule the unit to turn on during periods of occupancy and turn off when not needed, thus optimizing energy savings and maximizing environmental comfort.

Screenshots

Radioactivity Conversion4 screens
VMC Active4 screens

Verdict

The call

The clearest difference is price: VMC Active at Free against Radioactivity Conversion's $2.99. Radioactivity Conversion's advantage is iOS requirement (13 vs 15.1). On update cadence, 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

VMC Active is free to download; Radioactivity Conversion costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Radioactivity Conversion ships an update every 28 months, VMC Active every 31 months. The most recent releases landed on June 12, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Radioactivity Conversion versus VMC Active: the parameters behind the verdict, then further details
ParameterRadioactivity ConversionVMC Active
Price$2.99Free — better
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 28 months — betterEvery 31 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13 — better15.1
Further details — not scored
Size1 MB24 MB
Age rating4+4+
DeveloperNitrioZepping Innovative Solutions

In-app purchases

None

Radioactivity Conversion

No in-app purchases

None

VMC Active

No in-app purchases

Questions

Is Radioactivity Conversion free?
Radioactivity Conversion costs $2.99, with no in-app purchases.
Is VMC Active free?
VMC Active is free to download, with no in-app purchases.
Do Radioactivity Conversion or VMC Active have ads?
Neither Radioactivity Conversion nor VMC Active shows ads.
Which is updated more often, Radioactivity Conversion or VMC Active?
Radioactivity Conversion ships an update every 28 months, and VMC Active every 31 months. Most recently, Radioactivity Conversion was updated on June 12, 2026 and VMC Active on September 10, 2026.

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