# EMF Radiation Detector Reader vs Kaleidoscope

The clearest difference is review sentiment: EMF Radiation Detector Reader at 54% against Kaleidoscope's 0%. EMF Radiation Detector Reader also leads on rating (4.5 vs 3.8) and ratings volume (5K vs 6). Kaleidoscope's advantage is ads (none vs shown) and update cadence (daily vs every 6 months). On price, in-app purchases, 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 and Kaleidoscope sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

EMF Radiation Detector Reader holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 5K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 54% of EMF Radiation Detector Reader's written reviews are positive against 0% of Kaleidoscope's.

EMF Radiation Detector Reader ships an update every 6 months, Kaleidoscope daily. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | Kaleidoscope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (5K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/kaleidoscope-live-effect/id6468643565/reviews) |
| Number of ratings | **5K** | 6 |
| Positive reviews | **53.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 9 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [Ivan Frolov](https://appshunter.io/developer/1616814701) |

## 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


### Kaleidoscope

[App page](https://appshunter.io/ios/app/kaleidoscope-live-effect/id6468643565)

Transform your photos and live camera feed into stunning kaleidoscopic patterns with this app. It offers an intuitive interface to create and share unique visual art from your everyday images and surroundings.

**Highlights:** Kaleidoscopic visual effect for photos, Real-time kaleidoscope view, Snap or upload photos, Save and share creations, Intuitive user interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaleidoscope Pro Weekly Promo | $3.99 | per 7 days |
| Kaleidoscope Premium Weekly | $4.99 | per 7 days |
| Kaleidoscope Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is EMF Radiation Detector Reader free?

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

### Is Kaleidoscope free?

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

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

EMF Radiation Detector Reader is rated higher. EMF Radiation Detector Reader averages 4.5 out of 5 from 5K ratings, while Kaleidoscope averages 3.8 from 6 ratings.

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

EMF Radiation Detector Reader shows ads; Kaleidoscope does not.

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

EMF Radiation Detector Reader ships an update every 6 months, and Kaleidoscope daily. Most recently, EMF Radiation Detector Reader was updated on November 11, 2026 and Kaleidoscope on October 30, 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.*