# EMF Detector vs SpireMonitor

The clearest difference is ads: SpireMonitor at none against EMF Detector's shown. SpireMonitor also leads on update cadence (every 2 days vs every 10 days). EMF Detector's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. EMF Detector sells 3 in-app purchases, starting at $2.99 per month 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 Detector ships an update every 10 days, SpireMonitor every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | EMF Detector | SpireMonitor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 56 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Singabe Djonouma](https://appshunter.io/developer/1875109741) | [Riyad Anabtawi](https://appshunter.io/developer/1537641230) |

## What reviewers say

### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-magnetic-waves/id6758810056)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $39.99 | one-time |


### 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 Detector free?

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

### Is SpireMonitor free?

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

### Do EMF Detector or SpireMonitor have ads?

EMF Detector shows ads; SpireMonitor does not.

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

EMF Detector ships an update every 10 days, and SpireMonitor every 2 days. Most recently, EMF Detector was updated on October 25, 2026 and SpireMonitor on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*