# EMF Radiation Detector Reader vs Necrometer

The clearest difference is price: EMF Radiation Detector Reader at Free against Necrometer's $9.99. EMF Radiation Detector Reader also leads on rating (4.5 vs 2.7) and review sentiment (53% vs 31%). Necrometer's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

EMF Radiation Detector Reader is free to download; Necrometer costs $9.99 up front. EMF Radiation Detector Reader sells 2 in-app purchases, starting at $1.99 per 7 days. Necrometer asks for nothing beyond the download.

EMF Radiation Detector Reader holds the better App Store score, 4.5 against 2.7. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 4.7K ratings behind it against 271, so its average is the more settled of the two. Written reviews point the same way: 53% of EMF Radiation Detector Reader's written reviews are positive against 31% of Necrometer's.

EMF Radiation Detector Reader ships an update every 7 months, Necrometer every 9 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | Necrometer |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.5 (4.7K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews)** | [2.7 (271 ratings)](https://appshunter.io/ios/app/necrometer/id1670762759/reviews) |
| Number of ratings | **4.7K** | 271 |
| Positive reviews | **53.4% of reviews** | 30.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#17** |
| Size | 20 MB | 174 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [BitPlague LLC](https://appshunter.io/developer/1119043156) |

## What reviewers say

### EMF Radiation Detector Reader

[App page](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734)

Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.

**Highlights:** Detect EMF radiation, Measure EMF levels, Identify risk zones, Organize living space, Measure appliance emissions, No expensive equipment needed

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EMF Radiation Detector Premium Week | $1.99 | per 7 days |
| EMF Radiation Detector Premium Year | $9.99 | per year |

**What reviewers like**

- 👍 Works well around microwave
- 👍 Consistent results
- 👍 Useful tool for detecting EMF
- 👍 Legit EMF detection
- 👍 Helps find problem areas

**What reviewers complain about**

- 🐛 Ads cover reading numbers
- 🔍 Unclear how to interpret readings
- ⚠️ Questionable accuracy, only detects magnets
- 🔍 No explanation of safe/unsafe levels
- 🐛 Doesn't detect radio frequencies

**Reported bugs**

- Readings inconsistent or inaccurate
- Doesn't work as expected, only detects magnets

**Requested features**

- Add sound or vibration alerts for high EMF
- Provide more information on EMF levels and safety
- Improve layout to avoid ads covering readings


### Necrometer

[App page](https://appshunter.io/ios/app/necrometer/id1670762759)

**Currently charting:** #17 Top Paid · Utilities, #132 Top Paid (US App Store)

This app is designed for ghost hunters and paranormal investigators. It detects magnetic energy fluctuations and facilitates spirit communication through text and speech modes using AI-powered systems and audio effects. It aims to provide insights and messages from the other side.

**Highlights:** Magnetic energy detection meter, Text-based spirit communication, AI-powered speech generation, Customizable voice and audio effects, Access to over 60,000 words/phrases, Custom word list functionality

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🌟 Accurate responses
- 👍 Useful for paranormal investigations
- 🤖 Unique voice options

**What reviewers complain about**

- 🔇 Audio issues (no sound, language not in English)
- 🤖 Unreliable/inconsistent speech/text responses
- 💰 Overpriced for features provided
- 🔍 Lack of customization options

**Reported bugs**

- Audio not working on certain devices
- Random/irrelevant responses

**Requested features**

- Ability to save/review past session logs
- Multi-language support
- Custom word list functionality


## Frequently asked questions

### Is EMF Radiation Detector Reader free?

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

### Is Necrometer free?

Necrometer costs $9.99, with no in-app purchases.

### Which has better reviews, EMF Radiation Detector Reader or Necrometer?

EMF Radiation Detector Reader is rated higher. EMF Radiation Detector Reader averages 4.5 out of 5 from 4.7K ratings, while Necrometer averages 2.7 from 271 ratings.

### Do EMF Radiation Detector Reader or Necrometer have ads?

EMF Radiation Detector Reader shows ads; Necrometer does not.

### Which is updated more often, EMF Radiation Detector Reader or Necrometer?

EMF Radiation Detector Reader ships an update every 7 months, and Necrometer every 9 months. Most recently, EMF Radiation Detector Reader was updated on October 15, 2026 and Necrometer on October 14, 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.*