# Counterlens vs EMF Detector

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

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

Counterlens ships an update daily, EMF Detector every 3 weeks. The most recent releases landed on October 19, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Counterlens | EMF Detector |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 1 MB | 25 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Jules Ngambo](https://appshunter.io/developer/6797302368) | [Ashir Mehmood](https://appshunter.io/developer/6809578079) |

## What reviewers say

### Counterlens

[App page](https://appshunter.io/ios/app/counterlens-camera-radar/id6797302366)

**Features:** macOS Compatibility

**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 Counterlens free?

Counterlens 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 Counterlens or EMF Detector have ads?

EMF Detector shows ads; Counterlens does not.

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

Counterlens ships an update daily, and EMF Detector every 3 weeks. Most recently, Counterlens was updated on October 19, 2026 and EMF Detector on October 26, 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.*