# DROK Meter vs EMF Detector

The clearest difference is in-app purchases: DROK Meter at none against EMF Detector's 3. DROK Meter also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (9.0 vs 13.0). 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. DROK Meter asks for nothing beyond the download.

DROK Meter ships an update every 4 days, EMF Detector every 2 weeks. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DROK Meter | EMF Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (319 ratings)](https://appshunter.io/ios/app/emf-detector-radiation-reader/id6572300713/reviews)** |
| Number of ratings | — | **319** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 11 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) | [新雨 李](https://appshunter.io/developer/1559932632) |

## What reviewers say

### DROK Meter

[App page](https://appshunter.io/ios/app/drok-meter/id1592645662)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is DROK Meter free?

DROK Meter 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 DROK Meter or EMF Detector have ads?

Neither DROK Meter nor EMF Detector shows ads.

### Which is updated more often, DROK Meter or EMF Detector?

DROK Meter ships an update every 4 days, and EMF Detector every 2 weeks. Most recently, DROK Meter was updated on September 28, 2026 and EMF Detector on October 13, 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.*