KIRI Engine vs HappyMapper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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)
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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
HappyMapper
Transform your iPhone and a projector into a dynamic art studio. Map images and videos onto any object in your space, from furniture to walls, bringing them to life with light and motion. No prior design experience or expensive software is required to create stunning visual installations.
- Map images and video onto any surface
- Draw and warp shapes to fit objects
- Layer multiple surfaces for complex designs
- Search millions of free videos and GIFs
- Import your own photos and videos
- Intuitive touch controls for easy manipulation
- Save and reload custom setups
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HappyMapper turns your iPhone and a projector into an art studio without walls. Map images and video onto anything in your space. A couch, a vase, a doorframe, your ceiling. Watch ordinary objects come alive with light, color, and motion. No design experience needed. No expensive software. Just your phone, a projector, and your imagination. CREATE YOUR OWN LIGHT INSTALLATIONS - Draw shapes directly on your screen and warp them to fit any surface - Curve edges to follow arches, round objects, and organic shapes - Layer multiple surfaces for complex, room-filling installations - Blend shapes together for seamless mapped surfaces - Cutout mode allows you to use a shape to block out light in a certain area BRING YOUR SPACE TO LIFE - Search millions of free videos: fire, water, abstract textures, neon, nature - Browse billions of GIFs for looping animations and memes - Import your own photos and videos - Pan and zoom media within each shape for perfect placement MADE FOR CREATORS, NOT ENGINEERS - Intuitive touch controls: drag, warp, and place with your fingers - Built-in quick start guide gets you mapping in minutes - Save your setups and reload them instantly - Last session is always saved so you can resume where you left off INSPIRE YOUR SPACE Whether you're setting the mood for a dinner party, creating a bedroom art installation, filming content for social media, or taking the stage, HappyMapper makes projection art accessible to everyone. One shape is free, with full access to every feature. Upgrade to Premium to add unlimited shapes.
Screenshots
Verdict
The clearest difference is rating: KIRI Engine at 4.4 against HappyMapper's 3.9. KIRI Engine also leads on ratings volume (1.3K vs 7). HappyMapper's advantage is review sentiment (100% vs 62%) and update cadence (every 5 days vs every 3 weeks). On price, ads, in-app purchases and monetization model 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
Both are free to download. KIRI Engine sells 17 in-app purchases, starting at $6.99 per month and HappyMapper sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
KIRI Engine holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: KIRI Engine has 1.3K ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 62% of KIRI Engine's written reviews are positive against 100% of HappyMapper's, so the app with the better star average is not the one people write more warmly about.
KIRI Engine ships an update every 3 weeks, HappyMapper every 5 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | KIRI Engine | HappyMapper |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (1.3K ratings) — better | 3.9 (7 ratings) |
| Positive reviews | 62.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.3K — better | 7 |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 135 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | KIRI Innovation (Hongkong) Limited | Kenny Lu |
Customer experience
KIRI Engine
HappyMapper
In-app purchases
KIRI Engine
- KIRI Pro Monthly Renewal Anniv$6.991 Month
- KIRI Pro Monthly Renewal$9.991 Month
- KIRI Pro Monthly Renewal$14.991 Month
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- 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
- KIRI Engine - Single Purchase$0.99
- KIRI Engine - Single Purchase$1.99
- KIRI Engine - Single Purchase$2.99
HappyMapper
- HappyMapper Pro3 Days trial$2.991 Month
- HappyMapper Pro3 Days trial$24.991 Year
- HappyMapper PRO Lifetime$14.99
Questions
Is KIRI Engine free?
Is HappyMapper free?
Which has better reviews, KIRI Engine or HappyMapper?
Do KIRI Engine or HappyMapper have ads?
Which is updated more often, KIRI Engine or HappyMapper?
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