# SpectraEMF vs Ghost Camera

The clearest difference is in-app purchases: Ghost Camera at none against SpectraEMF's 1. Ghost Camera also leads on update cadence (daily vs every 4 days). SpectraEMF's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SpectraEMF sells 1 one-off in-app purchase. Ghost Camera asks for nothing beyond the download.

SpectraEMF ships an update every 4 days, Ghost Camera daily. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SpectraEMF | Ghost Camera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Daily** |
| Size | 2 MB | 138 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 9+ | 9+ |
| Developer | [Vikram Joshi](https://appshunter.io/developer/1875452225) | [Zee Weasel](https://appshunter.io/developer/1025393456) |

## What reviewers say

### SpectraEMF

[App page](https://appshunter.io/ios/app/spectraemf/id6782989617)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectraEMF Pro | $4.99 | one-time |


### Ghost Camera

[App page](https://appshunter.io/ios/app/ghost-camera-sls-detector/id6785080249)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpectraEMF free?

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

### Is Ghost Camera free?

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

### Do SpectraEMF or Ghost Camera have ads?

Ghost Camera shows ads; SpectraEMF does not.

### Which is updated more often, SpectraEMF or Ghost Camera?

SpectraEMF ships an update every 4 days, and Ghost Camera daily. Most recently, SpectraEMF was updated on October 9, 2026 and Ghost Camera on October 11, 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.*