# EMF Field Detector RF Scanner vs SpireMonitor

The clearest difference is price: SpireMonitor at Free against EMF Field Detector RF Scanner's $4.99. SpireMonitor also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). EMF Field Detector RF Scanner's advantage is chart position (#120 vs unranked) and iOS requirement (15.6 vs 17.0). On in-app purchases and device support there is nothing between them.

SpireMonitor is free to download; EMF Field Detector RF Scanner costs $4.99 up front. EMF Field Detector RF Scanner sells 2 one-off in-app purchases and SpireMonitor sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

EMF Field Detector RF Scanner ships an update every 3 weeks, SpireMonitor every 2 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EMF Field Detector RF Scanner | SpireMonitor |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (5.5K ratings)](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095/reviews)** | — |
| Number of ratings | **5.5K** | — |
| Positive reviews | 83.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#120** | — |
| Size | 56 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Riyad Anabtawi](https://appshunter.io/developer/1537641230) |

## What reviewers say

### EMF Field Detector RF Scanner

[App page](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095)

**Currently charting:** #120 Top Paid · Utilities (US App Store)

Detect electromagnetic fields (EMF) using your device's sensors. Get alerted to high magnetic fields and potential radiation sources in your home. Useful for identifying hidden emitters and understanding your environment.

**Highlights:** Detects electromagnetic fields (EMF), Warns of high magnetic fields with beeps, Measures magnetic force on three axes, Records readings with time and date stamps, Stores up to 100 records, Sends measurements via email

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pack | $4.99 | one-time |
| Special Offer | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate readings
- 💡 Useful for detecting EMF
- 🔍 Helps identify problem areas
- 📊 Provides clear data and insights

**What reviewers complain about**

- 🐛 Occasional glitches or inconsistent readings
- 🔋 Concerns about phone's own EMF emissions
- 💰 Premium version required for full functionality

**Reported bugs**

- App freezes or stops working after updates
- Readings not always accurate or reliable

**Requested features**

- Ability to export data
- More detailed explanations and guidance
- Compatibility with other EMF measurement devices


### SpireMonitor

[App page](https://appshunter.io/ios/app/spiremonitor/id6760571994)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spire Pro Monthly | $4.99 | per month |
| Spire Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is EMF Field Detector RF Scanner free?

EMF Field Detector RF Scanner costs $4.99, and also offers in-app purchases.

### Is SpireMonitor free?

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

### Do EMF Field Detector RF Scanner or SpireMonitor have ads?

EMF Field Detector RF Scanner shows ads; SpireMonitor does not.

### Which is updated more often, EMF Field Detector RF Scanner or SpireMonitor?

EMF Field Detector RF Scanner ships an update every 3 weeks, and SpireMonitor every 2 days. Most recently, EMF Field Detector RF Scanner was updated on October 26, 2026 and SpireMonitor on October 25, 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.*