# 안필연 vs Spirit Box

The clearest difference is in-app purchases: 안필연 at none against Spirit Box's 7. 안필연 also leads on ads (none vs shown). Spirit Box's advantage is update cadence (weekly vs every 19 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Spirit Box sells 7 in-app purchases, starting at $2.99 per 7 days. 안필연 asks for nothing beyond the download.

안필연 ships an update every 19 months, Spirit Box weekly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 안필연 | Spirit Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (51 ratings)](https://appshunter.io/ios/app/spirit-box-evp-ghost-detector/id6759580040/reviews)** |
| Number of ratings | — | **51** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 108 MB | 558 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [AIRAR](https://appshunter.io/developer/1516949211) | [Cloud Motion Lab LLC](https://appshunter.io/developer/1866865109) |

## What reviewers say

### 안필연

[App page](https://appshunter.io/ios/app/beyond/id1509018151)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spirit Box

[App page](https://appshunter.io/ios/app/spirit-box-evp-ghost-detector/id6759580040)

This app uses your phone's magnetometer to detect electromagnetic anomalies and translate them into spirit voices and EVP fragments. Explore paranormal encounters with ghost files and customize your investigation with different scanner skins and voice modes. Record and share your findings for entertainment.

**Highlights:** Real magnetometer EMF detection, Spirit voice and EVP generation, 3 scanner skins, 3 voice processing modes, 30 Ghost Files with nightly stories, Session recording and sharing, Offline functionality

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Weekly | $2.99 | per 7 days |
| Pro Weekly | $3.99 | per 7 days |
| Pro Weekly | $4.99 | per 7 days |
| Yearly Pro | $19.99 | per year |
| Lifetime Pro - Offer | $4.99 | one-time |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is 안필연 free?

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

### Is Spirit Box free?

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

### Do 안필연 or Spirit Box have ads?

Spirit Box shows ads; 안필연 does not.

### Which is updated more often, 안필연 or Spirit Box?

안필연 ships an update every 19 months, and Spirit Box weekly. Most recently, 안필연 was updated on October 15, 2026 and Spirit Box on October 24, 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.*