# GhostScope vs Threshold

The clearest difference is in-app purchases: GhostScope at none against Threshold's 1. Threshold's advantage is ads (none vs shown) and update cadence (weekly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Threshold sells 1 one-off in-app purchase. GhostScope asks for nothing beyond the download.

GhostScope ships an update every 2 months, Threshold weekly. Both last shipped on September 18, 2026.

## The numbers

| Metric | GhostScope | Threshold |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 7 MB | 8 MB |
| Requires iOS | **17.4** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Grima Hdez](https://appshunter.io/developer/1741481582) | [Brandon Romero](https://appshunter.io/developer/1891387344) |

## What reviewers say

### GhostScope

[App page](https://appshunter.io/ios/app/ghostscope-emf-ghost-detector/id6773637623)

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

**In-app purchases:** none


### Threshold

[App page](https://appshunter.io/ios/app/threshold-paranormal-hq/id6783035837)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Threshold Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is GhostScope free?

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

### Is Threshold free?

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

### Do GhostScope or Threshold have ads?

GhostScope shows ads; Threshold does not.

### Which is updated more often, GhostScope or Threshold?

GhostScope ships an update every 2 months, and Threshold weekly. Most recently, GhostScope was updated on September 18, 2026 and Threshold on September 18, 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.*