Comparison

Radioactivity Conversion vs Aviation Fuel Calculator

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

Aviation Fuel Calculator

This utility app helps pilots, students, and ground crew quickly convert and calculate aircraft fuel. It supports various fuel types and units, works offline, and features a clean interface for efficient flight planning.

Highlights
  • Calculate uplift fuel
  • Supports Jet Fuel & Avgas
  • Converts Liters, Gallons, Kilograms, Pounds
  • Works offline
  • Intuitive interface
Features
Read full description

Plan your flights faster and more accurately with the Aviation Fuel Calculator. Designed for pilots, students and ground crew, this tool converts and calculates aircraft fuel in seconds. Main features: -- Calculate uplift fuel based on current tank level and required block fuel -- Supports Jet Fuel (Kerosene) & Avgas (100LL) -- Convert between Liters, Gallons, Kilograms and Pounds -- specific weight of avgas: 0.721 kg/l -- Works offline – perfect for remote airfields -- Clean, intuitive interface for quick use during flight planning or on the ramp Who is it for? --> Airline Pilots (CPL, ATPL) --> Private Pilots (PPL)(CPL, ATPL) --> Flight Instructors & Students --> Ground Crew and Dispatchers Why choose this app? No ads, no unnecessary features – just fast, reliable fuel calculations you can trust.

Screenshots

Radioactivity Conversion4 screens
Aviation Fuel Calculator3 screens

Verdict

The call

The clearest difference is rating: Aviation Fuel Calculator at 5.0 against Radioactivity Conversion's 3.0. Aviation Fuel Calculator also leads on price ($1.99 vs $2.99). On review sentiment, ratings volume, update cadence and ads 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

Radioactivity Conversion costs $2.99 and Aviation Fuel Calculator $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Aviation Fuel Calculator holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Radioactivity Conversion ships an update every 28 months, Aviation Fuel Calculator every 15 months. Both last shipped on November 1, 2026.

Scorecard2 real differences · 8 level
Radioactivity Conversion versus Aviation Fuel Calculator: the parameters behind the verdict, then further details
ParameterRadioactivity ConversionAviation Fuel Calculator
Price$2.99$1.99 — better
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 28 monthsEvery 15 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS1312.0 — better
Further details — not scored
Size1 MB8 MB
Age rating4+4+
DeveloperNitrioThomas Oswald

Customer experience

Radioactivity Conversion

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Aviation Fuel Calculator

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Radioactivity Conversion

No in-app purchases

None

Aviation Fuel Calculator

No in-app purchases

Questions

Is Radioactivity Conversion free?
Radioactivity Conversion costs $2.99, with no in-app purchases.
Is Aviation Fuel Calculator free?
Aviation Fuel Calculator costs $1.99, with no in-app purchases.
Which has better reviews, Radioactivity Conversion or Aviation Fuel Calculator?
Aviation Fuel Calculator is rated higher. Radioactivity Conversion averages 3.0 out of 5 from 2 ratings, while Aviation Fuel Calculator averages 5.0 from 1 ratings.
Do Radioactivity Conversion or Aviation Fuel Calculator have ads?
Neither Radioactivity Conversion nor Aviation Fuel Calculator shows ads.
Which is updated more often, Radioactivity Conversion or Aviation Fuel Calculator?
Radioactivity Conversion ships an update every 28 months, and Aviation Fuel Calculator every 15 months. Most recently, Radioactivity Conversion was updated on November 1, 2026 and Aviation Fuel Calculator on November 1, 2026.

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