# Versalume vs InterSpec Radiation Analysis

The clearest difference is rating: InterSpec Radiation Analysis at 4.3 against Versalume's 4.0. InterSpec Radiation Analysis also leads on update cadence (every 11 months vs every 42 months) and ratings volume (12 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

InterSpec Radiation Analysis holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: InterSpec Radiation Analysis has 12 ratings behind it against 1, so its average is the more settled of the two.

Versalume ships an update every 42 months, InterSpec Radiation Analysis every 11 months. The most recent releases landed on September 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Versalume | InterSpec Radiation Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/versalume/id1270982166/reviews) | **[4.3 (12 ratings)](https://appshunter.io/ios/app/interspec-radiation-analysis/id1447080767/reviews)** |
| Number of ratings | 1 | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 11 months** |
| Monetization | Free | Free |
| Size | 14 MB | 80 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Versalume LLC](https://appshunter.io/developer/1270982165) | [William Johnson](https://appshunter.io/developer/1447080766) |

## What reviewers say

### Versalume

[App page](https://appshunter.io/ios/app/versalume/id1270982166)

This app allows users to control a multi-color smart module via Bluetooth, enabling customization of laser colors, intensity, and patterns. It also supports environmental sensor integration for dynamic control.

**Highlights:** Bluetooth connectivity, Multi-color laser control, Intensity adjustment, Blink and fade patterns, Environmental sensor integration, Basic functionality without hardware

**In-app purchases:** none


### InterSpec Radiation Analysis

[App page](https://appshunter.io/ios/app/interspec-radiation-analysis/id1447080767)

Analyze nuclear radiation spectral data to identify nuclides, determine source activity, and calculate shielding. Supports various detector file formats and includes tools for dose rate calculations and nuclide decay information.

**Highlights:** Spectral nuclear radiation data analysis, Nuclide identification, Source activity determination, Shielding amount calculation, Spectral file format conversion, Dose rate calculations, Interactive nuclide decay information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Versalume free?

Versalume is free to download, with no in-app purchases.

### Is InterSpec Radiation Analysis free?

InterSpec Radiation Analysis is free to download, with no in-app purchases.

### Which has better reviews, Versalume or InterSpec Radiation Analysis?

InterSpec Radiation Analysis is rated higher. Versalume averages 4.0 out of 5 from 1 ratings, while InterSpec Radiation Analysis averages 4.3 from 12 ratings.

### Do Versalume or InterSpec Radiation Analysis have ads?

Neither Versalume nor InterSpec Radiation Analysis shows ads.

### Which is updated more often, Versalume or InterSpec Radiation Analysis?

Versalume ships an update every 42 months, and InterSpec Radiation Analysis every 11 months. Most recently, Versalume was updated on September 22, 2026 and InterSpec Radiation Analysis on October 24, 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.*