# 八色禪卡 vs Ghost Detector Pro

The clearest difference is in-app purchases: 八色禪卡 at none against Ghost Detector Pro's 3. 八色禪卡 also leads on iOS requirement (7.1 vs 17.0). Ghost Detector Pro's advantage is update cadence (every 5 weeks vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Ghost Detector Pro sells 3 in-app purchases, starting at $5.99 per 7 days. 八色禪卡 asks for nothing beyond the download.

八色禪卡 ships an update every 13 months, Ghost Detector Pro every 5 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 八色禪卡 | Ghost Detector Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (33 ratings)](https://appshunter.io/ios/app/ghost-detector-pro-camera/id6755587034/reviews)** |
| Number of ratings | — | **33** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Monetization | — | Subscription |
| Size | 9 MB | 18 MB |
| Requires iOS | **7.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Hyxen Technology](https://appshunter.io/developer/380618922) | [Kai Chi Tsao](https://appshunter.io/developer/1299477756) |

## What reviewers say

### 八色禪卡

[App page](https://appshunter.io/ios/app/id1001437492)

**In-app purchases:** none


### Ghost Detector Pro

[App page](https://appshunter.io/ios/app/ghost-detector-pro-camera/id6755587034)

This app uses AI and AR to visualize and detect paranormal entities in real-time. It monitors electromagnetic fields, audio, and uses LiDAR for enhanced perception. Capture evidence with photos and videos, and utilize protection features.

**Highlights:** Real-time ghost visualization with AR, Multi-sensor analysis (magnetic, audio, LiDAR), Adjustable detection intensity, Photo and video recording with watermark, Protection runes and mantras, Ad-free experience with Pro upgrade

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ghost Detector Full Weekly | $5.99 | per 7 days |
| Ghost Detector Annual | $24.99 | per year |
| Ghost Detector Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is 八色禪卡 free?

八色禪卡 is free to download, with no in-app purchases.

### Is Ghost Detector Pro free?

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

### Do 八色禪卡 or Ghost Detector Pro have ads?

Neither 八色禪卡 nor Ghost Detector Pro shows ads.

### Which is updated more often, 八色禪卡 or Ghost Detector Pro?

八色禪卡 ships an update every 13 months, and Ghost Detector Pro every 5 weeks. Most recently, 八色禪卡 was updated on October 15, 2026 and Ghost Detector Pro on October 13, 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.*