# Radioactivity Conversion vs Aviation Fuel Calculator

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.

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.

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.

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

## The numbers

| Metric | Radioactivity Conversion | Aviation Fuel Calculator |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/radioactivity-conversion/id561349846/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aviation-fuel-calculator/id740516953/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 15 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 8 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Thomas Oswald](https://appshunter.io/developer/740516956) |

## What reviewers say

### Radioactivity Conversion

[App page](https://appshunter.io/ios/app/radioactivity-conversion/id561349846)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Aviation Fuel Calculator

[App page](https://appshunter.io/ios/app/aviation-fuel-calculator/id740516953)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*