Comparison

Structure Capture, 3D Scanning vs OpticALLY 3D Scan

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

Head to head
About

Structure Capture, 3D Scanning

This app transforms your iOS device into a portable 3D scanner for professional use in healthcare, product design, and more. It captures accurate body or object scans using advanced camera technologies and supports seamless export for digital fabrication workflows.

Highlights
  • 3D body and object scanning
  • TrueDepth and LiDAR camera support
  • Export in OBJ, STL, PLY formats
  • Foot landmark detection and measurement
  • Customizable scan settings
  • Offline availability
Read full description

Structure Capture is a mobile 3D scanning app that transforms your iOS device into a powerful, portable tool for clinical and professional use, including healthcare, orthotics & prosthetics (O&P), custom medical garments, and product design. Built for professionals, it enables fast and accurate body or object scanning using either the Structure Sensor 3 or Apple’s TrueDepth and LiDAR camera technologies. Clinics, labs, and manufacturers worldwide trust Structure Capture for its precision and reliability in scanning limbs, body parts, and complex shapes. Supporting digital workflows from scan-to-CAD/CAM fabrication, Structure Capture allows seamless export of industry-standard 3D file formats (.OBJ, .STL, .PLY), making it a top solution for orthotists, prosthetists, medical device companies, and product designers seeking efficient integration into their modeling and manufacturing pipelines. Structure Capture App Features: • Supporting TrueDepth technology – Structure Capture is available on devices with TrueDepth™ capabilities. • Customized Settings – Customize your scan settings for your individual needs. • Workflow Support – Our customer service team is happy to help you along the way, available with all subscriptions. • App Maintenance and Feature Upgrades – As this is now a consumer-ready application (no longer just a development app) we’re fully supporting this application for all industrial needs and uses. • Scan Quality Indication – Ensure that you’re getting a complete scan every time with our new scan quality indication tool built into Structure Capture. • Foot Landmark Detection and Measurement – Built-in 1st and 5th metatarsal detection and automatic width, length and girth measurements. Landmarks • Best-fitting plane to plantar surface • Ball of 1st metatarsal • Ball of 5th metatarsal • Ball of heel bone • Pternion • Metatarsale tibiale (MT) • Metatarsale fibulare (MF) • Arch apex • Acropodion Metrics • Foot Width • Foot Length • Metatarsal girth • Arch height Available Offline – Structure Capture is available without internet connection Applications Include: • Orthotics and Prosthetics (O&P) • Custom compression garments • Physical therapy and rehabilitation • Medical imaging and documentation • Industrial design and 3D model capture • AR/VR and digital twin workflows Structure Capture delivers professional-grade 3D scanning in a mobile format—designed to fit seamlessly into your clinical or production workflow.

About

OpticALLY 3D Scan

Transform your iPhone into a 3D scanner for objects, rooms, and faces. Capture detailed scans using your camera or LiDAR, with options to export in various formats. Enjoy privacy with on-device processing.

Highlights
  • Object scanning with guided capture
  • LiDAR scanning for rooms and furniture
  • Face scanning with eyewear measurements
  • Export in USDZ, OBJ, GLB, PLY, STL
  • On-device processing for privacy
  • AR Quick Look viewing
Features
Read full description

Build a photoreal 3D you with Persona, scan objects with your camera and rooms with LiDAR, free. Export USDZ, OBJ, GLB, PLY, STL, splats and videos with OpticALLY Pro. Everything stays on your device. OpticALLY turns your iPhone into a full 3D scanner. PHOTO SCANNING Guided Object Capture walks you around an object in up to three passes with live feedback, then builds a textured 3D model right on your iPhone. Captured photos are kept so you can rebuild them later. LIDAR SCANNING On LiDAR iPhones, scan rooms, furniture and large objects with a live mesh preview, camera colour and classification. Pause, resume and finish when you're ready. PERSONA Prop your iPhone up and move your head in a slow circle three times while the ring fills, like setting up Face ID, and OpticALLY uses the TrueDepth camera to build a photoreal 3D model of your head as Gaussian splats, right on your device. Turn it, relight it and view it in AR. LIVE PERSONA Your 3D head copies your face in real time: head turns, blinks, eyes, smiles, an open mouth and even your tongue. Record clips with your voice, up to 30 seconds, then share them to Messages or save them to Photos. EYEWEAR MEASUREMENTS Quick Measure uses the TrueDepth camera for pupillary distance, bridge, temple, frame and lens width. LIBRARY AND VIEWER Every scan lands in your library with a thumbnail. Orbit, zoom, toggle wireframe, measure between two points and view it in your room with AR Quick Look. FREE - Unlimited scanning and viewing - Persona capture and the Live Persona mirror OPTICALLY PRO - Every export: USDZ, OBJ with texture, GLB, PLY and STL for Blender, Unity, Fusion 360, ZBrush and 3D printing - Persona exports: Gaussian splats (.ply, .spz, .splat), textured USDZ and OBJ, turntable video - No credit line - Mesh simplification, fragment cleanup and texture size options - Point-to-point measurements and full eyewear measurements - Live Persona clips with sound, and the animated USDZ avatar - Monthly, yearly with a 7-day free trial, or a one-time lifetime purchase PRIVACY Capture and processing happen on your device. No account, no tracking. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://wonmor.github.io/OpticALLY-iOS/

Screenshots

Structure Capture, 3D Scanning4 screens
OpticALLY 3D Scan4 screens

Verdict

The call

The clearest difference is review sentiment: OpticALLY 3D Scan at 100% against Structure Capture, 3D Scanning's 67%. Structure Capture, 3D Scanning's advantage is rating (4.0 vs 3.7). On price, ratings volume, update cadence 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. Structure Capture, 3D Scanning sells 2 in-app purchases, starting at $19.99 per month and OpticALLY 3D Scan sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Structure Capture, 3D Scanning holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews complicate that: 67% of Structure Capture, 3D Scanning's written reviews are positive against 100% of OpticALLY 3D Scan's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
Structure Capture, 3D Scanning versus OpticALLY 3D Scan: the parameters behind the verdict, then further details
ParameterStructure Capture, 3D ScanningOpticALLY 3D Scan
PriceFreeFree
Rating4.0 (8 ratings) — better3.7 (3 ratings)
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings8 — better3
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size43 MB284 MB
Age rating4+4+
DeveloperXRPro, LLCWonmo Seong

Customer experience

Structure Capture, 3D Scanning

All ratings8 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

OpticALLY 3D Scan

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Structure Capture, 3D Scanning

Subscriptions2
  • Structure Capture Monthly7 Days trial$19.991 Month
  • Structure Capture Yearly7 Days trial$199.001 Year
3 purchases

OpticALLY 3D Scan

Subscriptions2
  • Pro Monthly$4.991 Month
  • Pro Yearly7 Days trial$29.991 Year
One-time1
  • OpticALLY Pro Lifetime$59.99

Questions

Is Structure Capture, 3D Scanning free?
Structure Capture, 3D Scanning is free to download, with in-app purchases available.
Is OpticALLY 3D Scan free?
OpticALLY 3D Scan is free to download, with in-app purchases available.
Which has better reviews, Structure Capture, 3D Scanning or OpticALLY 3D Scan?
Structure Capture, 3D Scanning is rated higher. Structure Capture, 3D Scanning averages 4.0 out of 5 from 8 ratings, while OpticALLY 3D Scan averages 3.7 from 3 ratings.
Do Structure Capture, 3D Scanning or OpticALLY 3D Scan have ads?
Neither Structure Capture, 3D Scanning nor OpticALLY 3D Scan shows ads.
Which is updated more often, Structure Capture, 3D Scanning or OpticALLY 3D Scan?
Structure Capture, 3D Scanning ships an update every 3 weeks, and OpticALLY 3D Scan every 3 weeks. Most recently, Structure Capture, 3D Scanning was updated on November 3, 2026 and OpticALLY 3D Scan on November 3, 2026.

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