# Ghost Detector vs DataDerby

The clearest difference is in-app purchases: DataDerby at none against Ghost Detector's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ghost Detector sells 6 in-app purchases, starting at $5.99 per 7 days. DataDerby asks for nothing beyond the download.

Ghost Detector ships an update every 2 weeks, DataDerby every 8 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ghost Detector | DataDerby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (112 ratings)](https://appshunter.io/ios/app/ghost-detector-ectify/id6758457231/reviews)** | — |
| Number of ratings | **112** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 52 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Alexandre Grisey](https://appshunter.io/developer/1588756104) | [Numbase](https://appshunter.io/developer/434357891) |

## What reviewers say

### Ghost Detector

[App page](https://appshunter.io/ios/app/ghost-detector-ectify/id6758457231)

Transform your smartphone into a ghost hunting tool with real-time EMF detection and a spirit box that generates responses based on environmental changes. Record, capture, and share your paranormal investigations with friends or for social media content.

**Highlights:** Real-time EMF detection, Spirit box and EVP generator, Session recording and sharing, Offline functionality, Dark mode interface, Content creator tools

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ectify Pro - Weekly Subscription | $5.99 | per 7 days |
| Ectify Pro - Yearly Subscription | $34.99 | per year |
| Ectify Pro - 24-hour Pass | $2.99 | one-time |
| Ectify Pro - Lifetime Access | $7.99 | one-time |
| Ectify Pro - Lifetime Access | $12.99 | one-time |
| Ectify Pro - Lifetime Access | $19.99 | one-time |


### DataDerby

[App page](https://appshunter.io/ios/app/dataderby/id6762745881)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ghost Detector free?

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

### Is DataDerby free?

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

### Do Ghost Detector or DataDerby have ads?

Neither Ghost Detector nor DataDerby shows ads.

### Which is updated more often, Ghost Detector or DataDerby?

Ghost Detector ships an update every 2 weeks, and DataDerby every 8 days. Most recently, Ghost Detector was updated on October 6, 2026 and DataDerby on October 12, 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.*