# KIRI Engine vs Crystal Spatial Camera

The clearest difference is in-app purchases: Crystal Spatial Camera at none against KIRI Engine's 17. Crystal Spatial Camera also leads on update cadence (every 3 days vs every 3 weeks). KIRI Engine's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. KIRI Engine sells 17 in-app purchases, starting at $6.99 per month. Crystal Spatial Camera asks for nothing beyond the download.

KIRI Engine ships an update every 3 weeks, Crystal Spatial Camera every 3 days. The most recent releases landed on October 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | KIRI Engine | Crystal Spatial Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.3K ratings)](https://appshunter.io/ios/app/kiri-engine3d-scanner-and-lidar/id1577127142/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 62.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 135 MB | 19 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KIRI Innovation (Hongkong) Limited](https://appshunter.io/developer/1757368772) | [奕夫 王](https://appshunter.io/developer/1790060336) |

## What reviewers say

### KIRI Engine

[App page](https://appshunter.io/ios/app/kiri-engine3d-scanner-and-lidar/id1577127142)

Easily create high-quality 3D models from photos or videos directly on your phone. Offers advanced scanning technologies for detailed results, with editing and export options for various platforms. Ideal for artists, designers, and 3D printing enthusiasts.

**Highlights:** Photogrammetry 3D scanning, Neural Surface Reconstruction (NSR), 3D Gaussian Splatting, Auto Object Masking, Augmented Reality preview, Multiple export formats (OBJ, STL, GLTF), AI PBR Material Generation (Pro)

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KIRI Pro Monthly Renewal Anniv | $6.99 | per month |
| KIRI Pro Monthly Renewal | $9.99 | per month |
| KIRI Pro Monthly Renewal | $14.99 | per month |
| KIRI Pro Monthly Renewal | $17.99 | per month |
| KIRI Pro Annual Renewal Sale23 | $29.99 | per year |
| KIRI Pro Yearly Renewal Sale25 | $35.99 | per year |
| KIRI Pro Yearly Renewal Sale24 | $35.99 | per year |
| KIRI Pro Yearly Renewal Newbie | $35.99 | per year |
| KIRI Pro Yearly Renewal Return | $47.99 | per year |
| KIRI Pro Yearly Renewal Newbie | $47.99 | per year |
| KIRI Pro Annual Renewal | $49.99 | per year |
| KIRI Pro Annual Renewal | $59.99 | per year |
| KIRI Pro Yearly Renewal | $59.99 | per year |
| KIRI Pro Yearly Renewal | $79.99 | per year |
| KIRI Engine - Single Purchase | $0.99 | one-time |
| KIRI Engine - Single Purchase | $1.99 | one-time |
| KIRI Engine - Single Purchase | $2.99 | one-time |


### Crystal Spatial Camera

[App page](https://appshunter.io/ios/app/crystal-spatial-camera/id6786197805)

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

**In-app purchases:** none


## Frequently asked questions

### Is KIRI Engine free?

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

### Is Crystal Spatial Camera free?

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

### Do KIRI Engine or Crystal Spatial Camera have ads?

Neither KIRI Engine nor Crystal Spatial Camera shows ads.

### Which is updated more often, KIRI Engine or Crystal Spatial Camera?

KIRI Engine ships an update every 3 weeks, and Crystal Spatial Camera every 3 days. Most recently, KIRI Engine was updated on October 27, 2026 and Crystal Spatial Camera on October 1, 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.*