# Superfy Tracker vs EMF Detector

The clearest difference is in-app purchases: Superfy Tracker at none against EMF Detector's 3. Superfy Tracker also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). EMF Detector's advantage is update cadence (every 10 days vs every 7 months). On price and device support there is nothing between them.

Both are free to download. EMF Detector sells 3 in-app purchases, starting at $2.99 per month. Superfy Tracker asks for nothing beyond the download.

Superfy Tracker ships an update every 7 months, EMF Detector every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Superfy Tracker | EMF Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 10 days** |
| Size | 32 MB | 56 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smartsensor Technologies Pty Ltd](https://appshunter.io/developer/1206186356) | [Singabe Djonouma](https://appshunter.io/developer/1875109741) |

## What reviewers say

### Superfy Tracker

[App page](https://appshunter.io/ios/app/superfy-tracker/id1607394041)

**Features:** macOS Compatibility

**In-app purchases:** none


### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-magnetic-waves/id6758810056)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


## Frequently asked questions

### Is Superfy Tracker free?

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

### Is EMF Detector free?

EMF Detector is free to download, with in-app purchases available.

### Do Superfy Tracker or EMF Detector have ads?

EMF Detector shows ads; Superfy Tracker does not.

### Which is updated more often, Superfy Tracker or EMF Detector?

Superfy Tracker ships an update every 7 months, and EMF Detector every 10 days. Most recently, Superfy Tracker was updated on October 25, 2026 and EMF Detector on October 25, 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.*