# OSS App vs GhostLab

The clearest difference is in-app purchases: OSS App at none against GhostLab's 3. OSS App also leads on iOS requirement (13.0 vs 17.0). GhostLab's advantage is update cadence (every 3 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. GhostLab sells 3 one-off in-app purchases. OSS App asks for nothing beyond the download.

OSS App ships an update fortnightly, GhostLab every 3 days. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | OSS App | GhostLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ghostlab-spirit-detector/id6814905065/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Paid |
| Size | 14 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [EMCAN-TEC](https://appshunter.io/developer/1649090170) | [Jack Miller](https://appshunter.io/developer/6786409899) |

## What reviewers say

### OSS App

[App page](https://appshunter.io/ios/app/oss-app/id1532213489)

**Features:** macOS Compatibility

**In-app purchases:** none


### GhostLab

[App page](https://appshunter.io/ios/app/ghostlab-spirit-detector/id6814905065)

This app uses your device's LiDAR scanner to create a 3D map of your surroundings in real-time. Visualize rooms with colored dots representing distance, capture stills and video, and explore your scanned environment.

**Highlights:** Real-time 3D room mapping, LiDAR-based distance measurement, Wireframe and dot visualization modes, Color-coded distance display, Freeze scan and explore, In-app photo and video recording, Save and share scans

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3D Map & Clips | $4.99 | one-time |
| Spirit Detector | $4.99 | one-time |
| Spirit Detector Pro | $9.99 | one-time |


## Frequently asked questions

### Is OSS App free?

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

### Is GhostLab free?

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

### Do OSS App or GhostLab have ads?

Neither OSS App nor GhostLab shows ads.

### Which is updated more often, OSS App or GhostLab?

OSS App ships an update fortnightly, and GhostLab every 3 days. Most recently, OSS App was updated on October 29, 2026 and GhostLab on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*