# Cam Interval vs KIRI Engine

The clearest difference is rating: Cam Interval at 5.0 against KIRI Engine's 4.4. Cam Interval also leads on review sentiment (100% vs 62%) and in-app purchases (none vs 10). KIRI Engine's advantage is update cadence (every 3 weeks vs every 55 months) and ratings volume (1.3K vs 2). On price, ads and device support there is nothing between them.

Both are free to download. KIRI Engine sells 10 in-app purchases, starting at $9.99 per month. Cam Interval asks for nothing beyond the download.

Cam Interval holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: KIRI Engine has 1.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Cam Interval's written reviews are positive against 62% of KIRI Engine's.

Cam Interval ships an update every 55 months, KIRI Engine every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Cam Interval | KIRI Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cam-interval/id1491746402/reviews)** | [4.4 (1.3K ratings)](https://appshunter.io/ios/app/kiri-engine3d-scanner-and-lidar/id1577127142/reviews) |
| Number of ratings | 2 | **1.3K** |
| Positive reviews | **100.0% of reviews** | 62.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 135 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Bocala](https://appshunter.io/developer/1484738471) | [KIRI Innovation (Hongkong) Limited](https://appshunter.io/developer/1757368772) |

## What reviewers say

### Cam Interval

[App page](https://appshunter.io/ios/app/cam-interval/id1491746402)

This app enables hands-free photography with an automatic shutter. It's ideal for self-portraits, time-lapses, or capturing spontaneous moments without needing to press a button.

**Highlights:** Hands-free photography, Automatic shutter, Time-lapse capability, Capture spontaneous moments, Easy to use

**In-app purchases:** none


### 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 Yearly Renewal | $79.99 | per year |


## Frequently asked questions

### Is Cam Interval free?

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

### Is KIRI Engine free?

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

### Which has better reviews, Cam Interval or KIRI Engine?

Cam Interval is rated higher. Cam Interval averages 5.0 out of 5 from 2 ratings, while KIRI Engine averages 4.4 from 1.3K ratings.

### Do Cam Interval or KIRI Engine have ads?

Neither Cam Interval nor KIRI Engine shows ads.

### Which is updated more often, Cam Interval or KIRI Engine?

Cam Interval ships an update every 55 months, and KIRI Engine every 3 weeks. Most recently, Cam Interval was updated on November 3, 2026 and KIRI Engine on November 3, 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.*