# EMF Detector vs SkyTrade Radar

The clearest difference is review sentiment: SkyTrade Radar at 100% against EMF Detector's 25%. SkyTrade Radar also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 3). EMF Detector's advantage is ads (none vs shown) and ratings volume (339 vs 1). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. EMF Detector sells 2 in-app purchases, starting at $4.99 per month. SkyTrade Radar asks for nothing beyond the download.

SkyTrade Radar holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: EMF Detector has 339 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of EMF Detector's written reviews are positive against 100% of SkyTrade Radar's.

EMF Detector ships an update every 2 weeks, SkyTrade Radar every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | EMF Detector | SkyTrade Radar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (339 ratings)](https://appshunter.io/ios/app/emf-detector-radiation-reader/id6572300713/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skytrade-radar/id6738989830/reviews)** |
| Number of ratings | **339** | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 11 MB | 101 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [新雨 李](https://appshunter.io/developer/1559932632) | [Skytradelinks Inc](https://appshunter.io/developer/1783314533) |

## What reviewers say

### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-radiation-reader/id6572300713)

Transform your iPhone into an EMF detector to monitor electromagnetic fields. Identify radiation levels in various environments to assess safety at home, work, or in public spaces. Gain insights to make informed decisions about your surroundings.

**Highlights:** EMF monitoring, Electromagnetic field detection, Radiation level measurement, Environmental safety assessment, Real-time EMF readings

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlimited features | $4.99 | per month |
| unlimited features | $14.99 | one-time |


### SkyTrade Radar

[App page](https://appshunter.io/ios/app/skytrade-radar/id6738989830)

Access real-time maps of restricted, controlled, and ready-to-fly airspace zones. Plan flights efficiently with detailed aviation information to ensure compliance with regulations for safer flying.

**Highlights:** Real-time airspace maps, Restricted zone information, Controlled airspace data, Ready-to-fly zone identification, Flight planning tools, Regulatory compliance assistance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EMF Detector free?

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

### Is SkyTrade Radar free?

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

### Which has better reviews, EMF Detector or SkyTrade Radar?

SkyTrade Radar is rated higher. EMF Detector averages 4.4 out of 5 from 339 ratings, while SkyTrade Radar averages 5.0 from 1 ratings.

### Do EMF Detector or SkyTrade Radar have ads?

SkyTrade Radar shows ads; EMF Detector does not.

### Which is updated more often, EMF Detector or SkyTrade Radar?

EMF Detector ships an update every 2 weeks, and SkyTrade Radar every 3 weeks. Most recently, EMF Detector was updated on October 24, 2026 and SkyTrade Radar 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.*