# Necrophonic vs EMF Detector

The clearest difference is price: EMF Detector at Free against Necrophonic's $9.99. EMF Detector also leads on rating (4.4 vs 3.8) and update cadence (every 2 weeks vs every 24 months). Necrophonic's advantage is in-app purchases (none vs 3) and review sentiment (48% vs 25%). On ratings volume, ads and device support there is nothing between them.

EMF Detector is free to download; Necrophonic costs $9.99 up front. EMF Detector sells 2 in-app purchases, starting at $4.99 per month. Necrophonic asks for nothing beyond the download.

EMF Detector holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 555 and 340 respectively. Written reviews complicate that: 48% of Necrophonic's written reviews are positive against 25% of EMF Detector's, so the app with the better star average is not the one people write more warmly about.

Necrophonic ships an update every 24 months, EMF Detector every 2 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Necrophonic | EMF Detector |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.8 (555 ratings)](https://appshunter.io/ios/app/necrophonic/id1396698319/reviews) | **[4.4 (340 ratings)](https://appshunter.io/ios/app/emf-detector-radiation-reader/id6572300713/reviews)** |
| Number of ratings | **555** | 340 |
| Positive reviews | **47.6% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#7** | — |
| Size | 98 MB | 11 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [BitPlague LLC](https://appshunter.io/developer/1119043156) | [新雨 李](https://appshunter.io/developer/1559932632) |

## What reviewers say

### Necrophonic

[App page](https://appshunter.io/ios/app/necrophonic/id1396698319)

**Currently charting:** #7 Top Paid · Utilities, #54 Top Paid (US App Store)

This application facilitates spirit communication and Electronic Voice Phenomenon (EVP) research. It features eight distinct sound banks, each meticulously mastered to enhance specific frequencies and create an environment conducive to paranormal investigation. An optional ninth bank offers unique white noise derived from a renowned EVP recorder.

**Highlights:** 8 mastered sound banks for spirit communication, Optional 9th white noise sound bank, Echo and Reverb audio effects, Mastered audio for enhanced frequencies, Phonemes, partial words, and reversed audio

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well
- 👍 Intelligent responses
- 👍 Able to communicate with spirits
- 👍 Provides confirmation of afterlife
- 👍 Useful for paranormal investigations

**What reviewers complain about**

- 🐛 Audio issues (no sound, muted)
- 🐛 Voices too fast/overlapping
- 🐛 Repetitive/pre-recorded responses
- 🔋 Drains battery quickly
- 💰 Overpriced

**Reported bugs**

- App crashes or freezes
- Inconsistent performance across devices
- Unexpected charges or subscription issues

**Requested features**

- Add recording/playback functionality
- Improve audio quality and clarity
- Provide language options beyond English
- Add customization options for sound effects


### 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 Necrophonic free?

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

### Is EMF Detector free?

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

### Which has better reviews, Necrophonic or EMF Detector?

EMF Detector is rated higher. Necrophonic averages 3.8 out of 5 from 555 ratings, while EMF Detector averages 4.4 from 340 ratings.

### Do Necrophonic or EMF Detector have ads?

Neither Necrophonic nor EMF Detector shows ads.

### Which is updated more often, Necrophonic or EMF Detector?

Necrophonic ships an update every 24 months, and EMF Detector every 2 weeks. Most recently, Necrophonic was updated on November 6, 2026 and EMF Detector on November 4, 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.*