# InterSpec Radiation Analysis vs TeslaVision EMF Detector

InterSpec Radiation Analysis and TeslaVision EMF Detector both sit at 4.3 stars, but that hides the real split: 100% of InterSpec Radiation Analysis's written reviews are positive against 33% of TeslaVision EMF Detector's. InterSpec Radiation Analysis also leads on price (Free vs $4.99) and device support (3 vs 1). TeslaVision EMF Detector's advantage is chart position (#179 vs unranked). On rating, ratings volume, update cadence and ads there is nothing between them.

InterSpec Radiation Analysis is free to download; TeslaVision EMF Detector costs $4.99 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 — 4.3 for InterSpec Radiation Analysis against 4.4 for TeslaVision EMF Detector. Both are backed by a comparable volume of ratings — 12 and 10 respectively. Written reviews are what separate them: 100% of InterSpec Radiation Analysis's written reviews are positive against 33% of TeslaVision EMF Detector's.

InterSpec Radiation Analysis ships an update every 11 months, TeslaVision EMF Detector every 13 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | InterSpec Radiation Analysis | TeslaVision EMF Detector |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/interspec-radiation-analysis/id1447080767/reviews) | **[4.4 (10 ratings)](https://appshunter.io/ios/app/teslavision-emf-detector/id6469668984/reviews)** |
| Number of ratings | **12** | 10 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 13 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#179** |
| Size | 80 MB | 2 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [William Johnson](https://appshunter.io/developer/1447080766) | [Michael Weber](https://appshunter.io/developer/349078052) |

## What reviewers say

### 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


### TeslaVision EMF Detector

[App page](https://appshunter.io/ios/app/teslavision-emf-detector/id6469668984)

**Currently charting:** #179 Top Paid · Utilities (US App Store)

Detect, measure, and visualize ambient electromagnetic fields in real-time. This professional-grade tool offers detailed analysis, data export, and customizable settings for monitoring your electromagnetic environment.

**Highlights:** Real-time EMF measurement, 2D and 3D EMF visualization, Raw EMF data export, Customizable EMF calibration, Adjustable EMF sensitivity, Record and analyze EMF sessions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is InterSpec Radiation Analysis free?

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

### Is TeslaVision EMF Detector free?

TeslaVision EMF Detector costs $4.99, with no in-app purchases.

### Which has better reviews, InterSpec Radiation Analysis or TeslaVision EMF Detector?

TeslaVision EMF Detector is rated higher. InterSpec Radiation Analysis averages 4.3 out of 5 from 12 ratings, while TeslaVision EMF Detector averages 4.4 from 10 ratings.

### Do InterSpec Radiation Analysis or TeslaVision EMF Detector have ads?

Neither InterSpec Radiation Analysis nor TeslaVision EMF Detector shows ads.

### Which is updated more often, InterSpec Radiation Analysis or TeslaVision EMF Detector?

InterSpec Radiation Analysis ships an update every 11 months, and TeslaVision EMF Detector every 13 months. Most recently, InterSpec Radiation Analysis was updated on November 2, 2026 and TeslaVision EMF Detector on November 3, 2026.

---

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