Comparison

KIRI Engine vs Crystal Spatial Camera

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KIRI Engine

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
Read full description

3D scanning has never been simpler with KIRI Engine: create high-quality 3D models on your phone within minutes. Dive into 3D scanning and modeling tailored for artists, designers, engineers, and 3D printing enthusiasts. Unleash the Power of 3D Scanning: • Photogrammetry: 3D scan with Photo Scan to transform your photos into high-quality 3D models. • NSR (Neural Surface Reconstruction): 3D Scan featureless/shiny objects with a video processed by Neural Radiance Fields (NeRF) integrated Featureless Object Scan. • 3D Gaussian Splatting: Obtain full 3D visualizations with a video, scan and capture all elements in your scene, including reflections. Create Your Own 3D Model through a Delightful Experience: • Capturing: Snapping photos replaces your 3D modeling process, obtain a detailed 3D mesh in just minutes from scanning to generating. • Functional Free Version: Dive into the world of photogrammetry without paying a cent for subscriptions, a LiDAR sensor, or an expensive 3D Scanner. Upload unlimited 3D scans and export at least 3 times per week. Edit, Refine, and Personalize Your Creations: • Edit: Refine 3D models with editing tools; adjust your files in Photo Scan, Featureless Object Scan, and 3D gaussian splats. • Precision: Choose specific photos for processing to ensure detailed, high-quality 3D models. • Cleanup: Auto Object Masking for noise-free, clean models during capture by eliminating background elements. This feature also allows the object to be moved during the capture. • Preview: Employ the 3D viewer and augmented reality panels to directly visualize and adjust your completed 3D model. Share, Export, and Make Use of Your 3D Models: • For Free: free registration and unlimited scanning, with at least 3 exports weekly. • Share: On various platforms such as Sketchfab, Thingiverse, GeoScan, and more. • Formats: Export in OBJ, STL, FBX, GLTF, GLB, USDZ, PLY, XYZ, compatible with Blender 3D, Unreal Engine, Autodesk Maya, etc. • Wide usage: For game development, VFX, VR/AR 3D content creation, 3D printing, 3D visualization, and many more. • Precision Without LiDAR: KIRI’s advanced algorithms provide scanning quality that is on par with LiDAR sensors. KIRI Engine Pro – For Those Who Demand More: • Upload: Pro users can leverage camera rolls, ensuring a flexible 3D scanning experience. • Quad-Mesh Retopology: Refine scanned 3D models with automatic quad-mesh adjustment. • AI PBR Material Generation: Attain lifelike textures with AI-generated PBR materials. • Advanced Camera System: Perfect each shot with fine-tuned camera settings for impeccable 3D scans. • Featureless Object Scan: Utilizes Neural Surface Reconstruction (NSR) for scanning shiny/reflective surfaces, a first in practical 3D scanning with KIRI Engine. • 3D Gaussian Splatting: Experience the future of 3D scanning and capture accurate 3D scenes with a short video; edit using tools like sphere/plane cutters and brushes. Export in native format or OBJ. • WEB Version Access: KIRI Engine WEB offers professional-grade model creation from DSLR photo sets or drone scans, enhancing accuracy in mappings and drone-based 3D surveys. Engage with Our Caring Community: Join our Discord community for sharing, feature voting, giveaways, and engaging with fellow enthusiasts. Dive into 3D Scanning with KIRI Engine Today! Download the KIRI Engine 3D Scanner app and embark on your 3D scanning journey with your device. Available in these languages:  English: KIRI Engine: 3D Scanner App Chinese (中文): 3D 扫描仪App Japanese (日本語): 3Dスキャナーアプリ French (Français): Application Scanner 3D Russian (Русский): Приложение 3D-сканера Privacy Policy: https://www.kiriengine.app/privacy-policy Terms Of Service: https://www.kiriengine.app/user-agreement

About

Crystal Spatial Camera

Features
Read full description

Crystal Spatial Camera turns your photos into 3D memories. Just take a few photos, and Crystal will create a personal 3D memory for you. You can view the generated 3D content in album mode, rotate and zoom in, and revisit the moment from different angles. It is perfect for preserving meaningful objects, travel memories, everyday moments, gifts, and family gatherings — keeping important memories in a more vivid and dimensional way. Main Features: - Take photos to create 3D memories - Browse all memories in album mode - Rotate and zoom to view 3D content freely - Export as videos or Live Photos Memories, held in Crystal.

Screenshots

KIRI Engine4 screens
Crystal Spatial Camera3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
KIRI Engine versus Crystal Spatial Camera: the parameters behind the verdict, then further details
ParameterKIRI EngineCrystal Spatial Camera
PriceFreeFree
Rating4.4 (1.3K ratings) — better—
Positive reviews62.4% of reviews—
Number of ratings1.3K — better—
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size135 MB19 MB
Age rating4+4+
DeveloperKIRI Innovation (Hongkong) Limited奕夫 王

In-app purchases

17 purchases

KIRI Engine

Subscriptions14
  • KIRI Pro Monthly Renewal Anniv$6.991 Month
  • KIRI Pro Monthly Renewal$9.991 Month
  • KIRI Pro Monthly Renewal$14.991 Month
Show 11 more
  • KIRI Pro Monthly Renewal$17.991 Month
  • KIRI Pro Annual Renewal Sale23$29.991 Year
  • KIRI Pro Yearly Renewal Sale25$35.991 Year
  • KIRI Pro Yearly Renewal Sale24$35.991 Year
  • KIRI Pro Yearly Renewal Newbie$35.991 Year
  • KIRI Pro Yearly Renewal Return$47.991 Year
  • KIRI Pro Yearly Renewal Newbie$47.991 Year
  • KIRI Pro Annual Renewal$49.991 Year
  • KIRI Pro Annual Renewal$59.991 Year
  • KIRI Pro Yearly Renewal$59.991 Year
  • KIRI Pro Yearly Renewal$79.991 Year
One-time3
  • KIRI Engine - Single Purchase$0.99
  • KIRI Engine - Single Purchase$1.99
  • KIRI Engine - Single Purchase$2.99
None

Crystal Spatial Camera

No in-app purchases

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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