# Pi Garage vs EMF Detector

The clearest difference is ads: Pi Garage at none against EMF Detector's shown. Pi Garage also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). EMF Detector's advantage is update cadence (every 5 days vs every 2 months). On price and in-app purchases there is nothing between them.

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

Pi Garage ships an update every 2 months, EMF Detector every 5 days. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Pi Garage | EMF Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (9 ratings)](https://appshunter.io/ios/app/emf-detector-emf-meter/id6759903916/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 21 MB | 79 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Michael Gambold](https://appshunter.io/developer/1634928976) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### Pi Garage

[App page](https://appshunter.io/ios/app/pi-garage/id1634928554)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-emf-meter/id6759903916)

This app uses your phone's magnetometer to measure and display magnetic fields. It offers standard and paranormal measurement modes, helps locate sources of EMF, and allows you to record and export your readings.

**Highlights:** Live magnetic field gauge, Standard and paranormal modes, Source finding tool, Measurement session recording, CSV export, 24-hour exposure chart, Spirit Box entertainment mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pi Garage free?

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

### Is EMF Detector free?

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

### Do Pi Garage or EMF Detector have ads?

EMF Detector shows ads; Pi Garage does not.

### Which is updated more often, Pi Garage or EMF Detector?

Pi Garage ships an update every 2 months, and EMF Detector every 5 days. Most recently, Pi Garage was updated on November 7, 2026 and EMF Detector on November 13, 2026.

---

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