Radioactivity Conversion vs VMC Active
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Radioactive decay unit conversion
- Information on radioactive decay process
- Details on radioactive particles
- Explanation of half-life
- Properties of radioactive elements
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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.
VMC Active
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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
Verdict
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
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.
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.
| Parameter | Radioactivity Conversion | VMC Active |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 28 months — better | Every 31 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Nitrio | Zepping Innovative Solutions |
In-app purchases
Radioactivity Conversion
No in-app purchases
VMC Active
No in-app purchases








