# OpenRadiation vs Emf Detector Radiation Reader

The clearest difference is review sentiment: Emf Detector Radiation Reader at 87% against OpenRadiation's 0%. Emf Detector Radiation Reader also leads on rating (4.6 vs 2.0) and ratings volume (1.3K vs 4). OpenRadiation's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Emf Detector Radiation Reader sells 5 in-app purchases, starting at $4.99 per 7 days. OpenRadiation asks for nothing beyond the download.

Emf Detector Radiation Reader holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Emf Detector Radiation Reader has 1.3K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of OpenRadiation's written reviews are positive against 87% of Emf Detector Radiation Reader's.

OpenRadiation ships an update every 3 months, Emf Detector Radiation Reader every 3 weeks. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | OpenRadiation | Emf Detector Radiation Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/openradiation/id1246249831/reviews) | **[4.6 (1.3K ratings)](https://appshunter.io/ios/app/emf-detector-radiation-reader/id1588868540/reviews)** |
| Number of ratings | 4 | **1.3K** |
| Positive reviews | 0.0% of reviews | **86.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 15 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ASNR](https://appshunter.io/developer/1861431469) | [Bello Studios LLC](https://appshunter.io/developer/1540574147) |

## What reviewers say

### OpenRadiation

[App page](https://appshunter.io/ios/app/openradiation/id1246249831)

Measure ambient radioactivity levels and assess your exposure to ionizing radiation using a compatible sensor. Contribute to a citizen science project by sharing your measurements to build a collaborative database.

**Highlights:** Measure radioactivity levels, Assess radiation exposure, Contribute to citizen science, Collaborative data database, Share measurements, View data online

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

**In-app purchases:** none


### Emf Detector Radiation Reader

[App page](https://appshunter.io/ios/app/emf-detector-radiation-reader/id1588868540)

Detect and track magnetic fields and potential EMF sources around you. Receive warnings for high readings and access guidelines for safe exposure levels. Monitor your environment and protect your health.

**Highlights:** Track magnetic fields and high readings, Detects ferromagnetic metals, Electrosmog (EMP) detector, Identifies home appliance EMF sources, Radio-Frequency Guidelines table, Warning beep for emissions, Stores readings with date stamps

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| 1 Year Premium | $12.99 | per year |
| Enjoy All The Features | $0.99 | one-time |
| Premium Pack - All Features | $4.99 | one-time |
| Lifetime Access | $14.99 | one-time |

**What reviewers like**

- 🚀 Accurate readings
- 🔒 Helpful for detecting hidden devices
- 👍 Visually appealing interface
- 👍 Easy to use
- 👍 Consistent performance

**What reviewers complain about**

- 🐛 Frequent ads even in paid version
- 🐛 Inconsistent or inaccurate readings in some cases
- 🔋 Drains device battery quickly
- 👎 Lack of clear instructions on interpreting readings

**Reported bugs**

- Readout digits overlapping on screen
- Inconsistent behavior of sound indicator

**Requested features**

- Ability to compare readings over time
- Option to export/share recorded data
- More detailed information on safe/unsafe EMF levels
- Integration with other EMF monitoring devices


## Frequently asked questions

### Is OpenRadiation free?

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

### Is Emf Detector Radiation Reader free?

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

### Which has better reviews, OpenRadiation or Emf Detector Radiation Reader?

Emf Detector Radiation Reader is rated higher. OpenRadiation averages 2.0 out of 5 from 4 ratings, while Emf Detector Radiation Reader averages 4.6 from 1.3K ratings.

### Do OpenRadiation or Emf Detector Radiation Reader have ads?

Emf Detector Radiation Reader shows ads; OpenRadiation does not.

### Which is updated more often, OpenRadiation or Emf Detector Radiation Reader?

OpenRadiation ships an update every 3 months, and Emf Detector Radiation Reader every 3 weeks. Most recently, OpenRadiation was updated on October 7, 2026 and Emf Detector Radiation Reader on October 20, 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.*