# NCIS Tips vs EMF Radiation Detector Reader

The clearest difference is rating: NCIS Tips at 5.0 against EMF Radiation Detector Reader's 4.5. NCIS Tips also leads on in-app purchases (none vs 2) and ads (none vs shown). EMF Radiation Detector Reader's advantage is update cadence (every 7 months vs every 103 months) and ratings volume (4.7K vs 6). On price and device support there is nothing between them.

Both are free to download. EMF Radiation Detector Reader sells 2 in-app purchases, starting at $1.99 per 7 days. NCIS Tips asks for nothing beyond the download.

NCIS Tips holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 4.7K ratings behind it against 6, so its average is the more settled of the two.

NCIS Tips ships an update every 103 months, EMF Radiation Detector Reader every 7 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | NCIS Tips | EMF Radiation Detector Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ncis-tips/id1262926967/reviews)** | [4.5 (4.7K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews) |
| Number of ratings | 6 | **4.7K** |
| Positive reviews | — | 53.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 103 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 46 MB | 20 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Naval Criminal Investigative Service](https://appshunter.io/developer/1505349624) | [Rounding Squares BV](https://appshunter.io/developer/976539506) |

## What reviewers say

### NCIS Tips

[App page](https://appshunter.io/ios/app/ncis-tips/id1262926967)

This app offers a secure and anonymous channel for citizens to report criminal activity. It supports the investigative and protective mission of the federal law enforcement agency for the Navy and Marine Corps.

**Highlights:** Anonymous tip submission, Secure reporting channel, Supports law enforcement investigations, Protects Navy and Marine Corps interests, Investigates felony crime and terrorism

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is NCIS Tips free?

NCIS Tips is free to download, with no in-app purchases.

### Is EMF Radiation Detector Reader free?

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

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

NCIS Tips is rated higher. NCIS Tips averages 5.0 out of 5 from 6 ratings, while EMF Radiation Detector Reader averages 4.5 from 4.7K ratings.

### Do NCIS Tips or EMF Radiation Detector Reader have ads?

EMF Radiation Detector Reader shows ads; NCIS Tips does not.

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

NCIS Tips ships an update every 103 months, and EMF Radiation Detector Reader every 7 months. Most recently, NCIS Tips was updated on October 5, 2026 and EMF Radiation Detector Reader on October 15, 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.*