# GhostScope vs SpectraWave Recorder

The clearest difference is in-app purchases: GhostScope at none against SpectraWave Recorder's 1. SpectraWave Recorder's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

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

GhostScope ships an update every 2 months, SpectraWave Recorder every 4 days. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | GhostScope | SpectraWave Recorder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 7 MB | 3 MB |
| Requires iOS | 17.4 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [Grima Hdez](https://appshunter.io/developer/1741481582) | [Vikram Joshi](https://appshunter.io/developer/1875452225) |

## 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


### SpectraWave Recorder

[App page](https://appshunter.io/ios/app/spectrawave-recorder/id6782994720)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectraWave Pro | $5.99 | one-time |


## Frequently asked questions

### Is GhostScope free?

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

### Is SpectraWave Recorder free?

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

### Do GhostScope or SpectraWave Recorder have ads?

GhostScope shows ads; SpectraWave Recorder does not.

### Which is updated more often, GhostScope or SpectraWave Recorder?

GhostScope ships an update every 2 months, and SpectraWave Recorder every 4 days. Most recently, GhostScope was updated on September 18, 2026 and SpectraWave Recorder on September 14, 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.*