# Radioactivity Conversion vs BaroWatch

Radioactivity Conversion and BaroWatch both sit at 3.0 stars, but that hides the real split: 50% of BaroWatch's written reviews are positive against 0% of Radioactivity Conversion's. BaroWatch also leads on update cadence (daily vs every 28 months) and price ($1.99 vs $2.99). Radioactivity Conversion's advantage is iOS requirement (13 vs 17.2). On rating, ratings volume, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for Radioactivity Conversion against 3.0 for BaroWatch. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 0% of Radioactivity Conversion's written reviews are positive against 50% of BaroWatch's.

Radioactivity Conversion ships an update every 28 months, BaroWatch daily. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Radioactivity Conversion | BaroWatch |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/radioactivity-conversion/id561349846/reviews) | [3.0 (1 ratings)](https://appshunter.io/ios/app/barowatch-weather-station/id6544786402/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Daily** |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **13** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Jose Maria Dubra Valenzuela](https://appshunter.io/developer/1700180919) |

## 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


### BaroWatch

[App page](https://appshunter.io/ios/app/barowatch-weather-station/id6544786402)

This application provides accurate atmospheric pressure and altitude readings directly from your watch's barometer. It's designed for outdoor enthusiasts and weather watchers, offering real-time data and forecasting capabilities.

**Highlights:** Accurate pressure readings, Real-time altitude tracking, Weather forecasting, User-friendly interface, Privacy-focused

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity Conversion free?

Radioactivity Conversion costs $2.99, with no in-app purchases.

### Is BaroWatch free?

BaroWatch costs $1.99, with no in-app purchases.

### Which has better reviews, Radioactivity Conversion or BaroWatch?

Radioactivity Conversion and BaroWatch are both rated 3.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Radioactivity Conversion or BaroWatch have ads?

Neither Radioactivity Conversion nor BaroWatch shows ads.

### Which is updated more often, Radioactivity Conversion or BaroWatch?

Radioactivity Conversion ships an update every 28 months, and BaroWatch daily. Most recently, Radioactivity Conversion was updated on October 23, 2026 and BaroWatch on October 11, 2026.

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