# Electromagnetic Detector PRO vs GPU Tracker

The clearest difference is price: GPU Tracker at Free against Electromagnetic Detector PRO's $4.99. GPU Tracker also leads on update cadence (every 11 days vs every 14 months). Electromagnetic Detector PRO's advantage is iOS requirement (11.2 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

GPU Tracker is free to download; Electromagnetic Detector PRO costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electromagnetic Detector PRO ships an update every 14 months, GPU Tracker every 11 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Electromagnetic Detector PRO | GPU Tracker |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/electromagnetic-detector-pro/id1350384533/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 11 days** |
| Monetization | Paid | — |
| Size | 55 MB | 32 MB |
| Requires iOS | **11.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Sridhar Rajarao](https://appshunter.io/developer/6773427529) |

## What reviewers say

### Electromagnetic Detector PRO

[App page](https://appshunter.io/ios/app/electromagnetic-detector-pro/id1350384533)

Transform your device into an electromagnetic field detector to identify high-risk wireless zones and potential sources of radiation. Receive warnings for strong magnetic fields and record measurements with timestamps. Useful for detecting metallic objects behind walls or underground.

**Highlights:** Detect electromagnetic fields (EMF), Warning beep for high radiation, Measure magnetic force on three axes, Record readings with timestamps, Store up to 100 records, Send measures via email

**Features:** macOS Compatibility

**In-app purchases:** none


### GPU Tracker

[App page](https://appshunter.io/ios/app/gpu-tracker/id6773427526)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electromagnetic Detector PRO free?

Electromagnetic Detector PRO costs $4.99, with no in-app purchases.

### Is GPU Tracker free?

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

### Do Electromagnetic Detector PRO or GPU Tracker have ads?

Neither Electromagnetic Detector PRO nor GPU Tracker shows ads.

### Which is updated more often, Electromagnetic Detector PRO or GPU Tracker?

Electromagnetic Detector PRO ships an update every 14 months, and GPU Tracker every 11 days. Most recently, Electromagnetic Detector PRO was updated on November 2, 2026 and GPU Tracker on October 31, 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.*