# Radioactivity Conversion vs HyperFocal Pro

The clearest difference is rating: Radioactivity Conversion at 3.0 against HyperFocal Pro's 1.5. Radioactivity Conversion also leads on price ($2.99 vs $4.99). HyperFocal Pro's advantage is update cadence (every 2 months vs every 28 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Radioactivity Conversion costs $2.99 and HyperFocal Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Radioactivity Conversion holds the better App Store score, 3.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Radioactivity Conversion ships an update every 28 months, HyperFocal Pro every 2 months. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Radioactivity Conversion | HyperFocal Pro |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/radioactivity-conversion/id561349846/reviews)** | [1.5 (4 ratings)](https://appshunter.io/ios/app/hyperfocal-pro/id6471395442/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 28 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## 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


### HyperFocal Pro

[App page](https://appshunter.io/ios/app/hyperfocal-pro/id6471395442)

This utility helps photographers calculate hyperfocal distance to maximize depth of field for sharp images. It offers tools for precise focus based on camera and lens settings, aiding in achieving optimal image clarity.

**Highlights:** Hyperfocal distance calculator, Depth of field preview, Focal length and aperture input, Sensor size calculation, Camera settings integration

**Features:** macOS Compatibility, 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 HyperFocal Pro free?

HyperFocal Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Radioactivity Conversion or HyperFocal Pro?

Radioactivity Conversion is rated higher. Radioactivity Conversion averages 3.0 out of 5 from 2 ratings, while HyperFocal Pro averages 1.5 from 4 ratings.

### Do Radioactivity Conversion or HyperFocal Pro have ads?

Neither Radioactivity Conversion nor HyperFocal Pro shows ads.

### Which is updated more often, Radioactivity Conversion or HyperFocal Pro?

Radioactivity Conversion ships an update every 28 months, and HyperFocal Pro every 2 months. Most recently, Radioactivity Conversion was updated on September 30, 2026 and HyperFocal Pro on October 6, 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.*