# EMF Detector vs TAMS Teachers

The clearest difference is in-app purchases: TAMS Teachers at none against EMF Detector's 3. TAMS Teachers also leads on update cadence (every 4 days vs every 2 weeks). EMF Detector's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

EMF Detector ships an update every 2 weeks, TAMS Teachers every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EMF Detector | TAMS Teachers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (340 ratings)](https://appshunter.io/ios/app/emf-detector-radiation-reader/id6572300713/reviews)** | — |
| Number of ratings | **340** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 68 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [新雨 李](https://appshunter.io/developer/1559932632) | [Sunil Maurya](https://appshunter.io/developer/6797761546) |

## 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 |


### TAMS Teachers

[App page](https://appshunter.io/ios/app/tams-teachers/id6797914350)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMF Detector free?

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

### Is TAMS Teachers free?

TAMS Teachers is free to download, with no in-app purchases.

### Do EMF Detector or TAMS Teachers have ads?

Neither EMF Detector nor TAMS Teachers shows ads.

### Which is updated more often, EMF Detector or TAMS Teachers?

EMF Detector ships an update every 2 weeks, and TAMS Teachers every 4 days. Most recently, EMF Detector was updated on October 30, 2026 and TAMS Teachers 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.*