# Heatcheck NA vs EMF Detector

The clearest difference is in-app purchases: Heatcheck NA at none against EMF Detector's 1. Heatcheck NA also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). EMF Detector's advantage is update cadence (every 3 weeks vs every 17 months). On price and device support there is nothing between them.

Both are free to download. EMF Detector sells 1 one-off in-app purchase. Heatcheck NA asks for nothing beyond the download.

Heatcheck NA ships an update every 17 months, EMF Detector every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Heatcheck NA | EMF Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Size | 10 MB | 25 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Adam Lewicki](https://appshunter.io/developer/289557759) | [Ashir Mehmood](https://appshunter.io/developer/6809578079) |

## What reviewers say

### Heatcheck NA

[App page](https://appshunter.io/ios/app/heatcheck-na/id1522381620)

**In-app purchases:** none


### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-ghost-meter/id6809578077)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EMF Detector Pro | $4.99 | one-time |


## Frequently asked questions

### Is Heatcheck NA free?

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

### Is EMF Detector free?

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

### Do Heatcheck NA or EMF Detector have ads?

EMF Detector shows ads; Heatcheck NA does not.

### Which is updated more often, Heatcheck NA or EMF Detector?

Heatcheck NA ships an update every 17 months, and EMF Detector every 3 weeks. Most recently, Heatcheck NA was updated on November 3, 2026 and EMF Detector on October 31, 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.*