# EMF Radiation Detector Reader vs Frequency

The clearest difference is in-app purchases: Frequency at none against EMF Radiation Detector Reader's 2. Frequency also leads on update cadence (fortnightly vs every 7 months) and review sentiment (73% vs 53%). EMF Radiation Detector Reader's advantage is ratings volume (4.7K vs 340). On price, ads, monetization model 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. Frequency asks for nothing beyond the download.

Frequency holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 4.7K ratings behind it against 340, 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 73% of Frequency's.

EMF Radiation Detector Reader ships an update every 7 months, Frequency fortnightly. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | Frequency |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4.7K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews) | **[4.7 (340 ratings)](https://appshunter.io/ios/app/frequency-sound-generator/id6474342664/reviews)** |
| Number of ratings | **4.7K** | 340 |
| Positive reviews | 53.4% of reviews | **72.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 8 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [Lucija Jaksic](https://appshunter.io/developer/1721391925) |

## 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


### Frequency

[App page](https://appshunter.io/ios/app/frequency-sound-generator/id6474342664)

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

**Highlights:** Generate sine, square, sawtooth, triangle waves, Adjustable frequency (1Hz-22000Hz), Animated sound wave visualization, Volume control (0-100%), Note selection, Speaker cleaning function

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use interface
- 🎵 Accurate frequency generation
- 💰 Free application
- 🧘 Helpful for meditation and stress relief
- 🔧 Multiple waveform options (sine, square, triangular, sawtooth)

**What reviewers complain about**

- 📢 Intrusive and inappropriate advertisements
- 🔊 Potential audio damage to speakers/hearing
- 🔒 Privacy concerns and data collection issues
- 📱 UI elements off-screen on compact devices
- 🎚️ Difficult frequency selection with slider

**Reported bugs**

- Slider snaps to certain numbers, skipping decimals
- Missing specific frequencies (431Hz, 432Hz, 128Hz)
- Settings/controls off-screen on smaller devices
- App crashes when switching between applications

**Requested features**

- Manual text input for precise frequency selection
- Ad-free paid version option
- Timer feature for sessions
- Digital tuning with +/- buttons on main screen
- Background image customization or frequency healing chart


## Frequently asked questions

### Is EMF Radiation Detector Reader free?

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

### Is Frequency free?

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

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

Frequency is rated higher. EMF Radiation Detector Reader averages 4.5 out of 5 from 4.7K ratings, while Frequency averages 4.7 from 340 ratings.

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

Both EMF Radiation Detector Reader and Frequency show ads.

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

EMF Radiation Detector Reader ships an update every 7 months, and Frequency fortnightly. Most recently, EMF Radiation Detector Reader was updated on October 17, 2026 and Frequency on October 18, 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.*