Comparison

OpalAi vs Dot3D

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

Head to head
About

OpalAi

This app uses AI and your device's LiDAR scanner to quickly create accurate 3D CAD models and floor plans of properties. It declutters furnished spaces and provides ANSI-compliant floor plans with gross living area calculations, exporting to various professional formats.

Highlights
  • Generate 3D CAD and floor plans
  • AI-enabled decluttering
  • ANSI-compliant appraisal quality plans
  • Gross Living Area (GLA) calculation
  • Export to Revit, SketchUp, AutoCAD, FBX, DFX
  • Accurate to one inch in 20 feet
Features
Read full description

Our ScanTo3D App, together with cloud-based analysis, quickly generates an accurately measured and labeled 3D CAD and floorplan of a property. This app allows you to create 2D Floorplan and Gross Living Areas (GLA). No tape measure, no notepads, and no moving of any furniture. This AI-enabled app declutters a furnished house and provides a complete floorplan, with an accuracy of one inch in 20 feet. No special hardware other than your LiDAR-enabled iPhone Pro or iPad Pro (+2020) is needed. Just move around, gather data, and let ScanTo3D do the rest. - Upload the model to Cloud and then our proprietary AI algorithm will generate a detailed floorplan in different formats including (Revit, SketchUp, Rhino, AutoCAD, FBX, DFX) - Quickly and automatically create appraisal quality floor plans that are ANSI compliant and include GLA (gross living area) from your LiDAR-enabled iPad/iPhone. - Architects can access the accurate CAD or Floorplan by downloading the file from the cloud

About

Dot3D

This app transforms your LiDAR-equipped iPhone or iPad into a professional 3D laser scanner. It offers verifiable accuracy and large-scale reliability for various industries, ensuring total data privacy with local processing. Capture detailed 3D site maps for real estate, forensics, and industrial applications.

Highlights
  • Real-time 3D scanning
  • Targeting workflows for accuracy
  • Loop-closure technology
  • GNSS compatibility
  • Local data processing (no cloud)
  • 3D measurements and calculations
  • Export to CAD and BIM software
Read full description

Stop settling for "good enough" scans. Dot3D is the industry-leading mobile LiDAR solution for professionals who value verifiable accuracy, large-scale reliability, and total data privacy, without the artifacts that plague other 3D apps. From complex construction sites to sensitive crime scenes, Dot3D turns your iPad or iPhone into a professional-grade 3D laser scanner. REAL ESTATE, AEC & BIM: Capture accurate as-builts of any-size interiors and export point clouds into AutoCAD, SketchUp, Rhino, Revit, ArchiCAD, and more. CRASH & CRIME FORENSICS: Document scenes with verified accuracy and geo-referencing for courtroom-ready evidence. No cloud uploads required (all processing happens locally on-device). INDUSTRIAL: Document complex piping, machinery, and MEP systems with ease. Add annotations and high-res camera photos to your scans for additional context. Key Features: • REAL-TIME 3D SCANNING on your LiDAR-powered device (iPhone/iPad Pro) with virtually unlimited scan size • TARGETING WORKFLOWS (optional) with known reference measurements for highly accurate results • LOOP-CLOSURE technology eliminates doubles and ghosting artifacts (with or without coded targets) • GNSS COMPATIBILITY with receivers from Emlid, Trimble, Leica, and more. Add control and geo-reference large outdoor captures • 3D COORDINATE SYSTEMS: Take full control. Supports local, site-wide and global (geo-referenced) systems. • NO CLOUD REQUIRED: All data is processed locally • APPEND NEW SCAN DATA directly into existing Dot3D scans • 3D MEASUREMENTS and fill-volume calculations: precise and savable • ANNOTATE 3D locations in your scans during or after capture • EMBED HIGH-RES PHOTOS from the device camera into your scans for additional context • CROP OR HIDE any part of the scan, for easy data cleanup Unlock a wide variety of third-party workflows with Dot3D Pro: • EXPORT color 3D point clouds: DP, E57, LAS, LAZ, PTS, PTX, PLY, PTG • EXPORT ORTHOPHOTOS: scaled and geo-referenced • PROCESS SCAN-TO-BIM using directly connected third-party services • FRAME-BASED EXPORTS to 3rd party NeRF, gaussian splatting, and photogrammetry software Our point-and-shoot technology is empowering workforces across a wide range of professional industries in need of accurate and reliable 3D capture solutions: Police departments, government agencies, real estate professionals, architects, surveyors, naval engineers, general contractors, insurance agents, crime scene analysts, BIM specialists, archaeologists, interior designers andmore are trusting Dot3D for their mobile 3D scanning needs. Start with a free trial and unlock Dot3D Pro whenever you're ready to access the full functionality and export directly to all your downstream workflows in CAD, forensic reconstruction, VR, AR, and much more. IMPORTANT: LIDAR-EQUIPPED DEVICE REQUIRED FOR 3D SCANNING: iPhone Pro / Pro Max (12 & up) or iPad Pro (2020 or later) If you install onto an incompatible device, you will not be able to 3D scan, but can still open and view Dot3D scans captured from other devices. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OpalAi4 screens
Dot3D4 screens

Verdict

The call

The clearest difference is in-app purchases: OpalAi at none against Dot3D's 2. Dot3D's advantage is rating (4.7 vs 4.5) and review sentiment (81% vs 70%). 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. Dot3D sells 2 in-app purchases, starting at $49.99 per month. OpalAi asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Dot3D holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 123 and 96 respectively. Written reviews point the same way: 70% of OpalAi's written reviews are positive against 81% of Dot3D's.

UpkeepUpdate frequency

OpalAi ships an update monthly, Dot3D every 3 weeks. Both last shipped on September 20, 2026.

Scorecard4 real differences · 6 level
OpalAi versus Dot3D: the parameters behind the verdict, then further details
ParameterOpalAiDot3D
PriceFreeFree
Rating4.5 (123 ratings)4.7 (96 ratings) — better
Positive reviews70.3% of reviews81.3% of reviews — better
Number of ratings123 — better96
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.014.0
Further details — not scored
Size89 MB99 MB
Age rating4+4+
DeveloperOPAL AI INCDotProduct LLC

Customer experience

OpalAi

All ratings122 ratings
Positive89.3%
Neutral0.0%
Negative10.7%
Written reviews37 reviews
Positive70.3%
Neutral0.0%
Negative29.7%

Dot3D

All ratings96 ratings
Positive93.8%
Neutral1.0%
Negative5.2%
Written reviews32 reviews
Positive81.3%
Neutral6.3%
Negative12.5%

Bugs and requests

OpalAi

Reported bugs

4 issues
  • Crashes before it opens
  • Doesn't run on iPad Pro
  • OK and cancel buttons blocked by UI
  • Application doesn't recognize all surfaces or walls

Requested features

4 requests
  • Clearer upfront pricing information
  • In-app subscription cancellation
  • Ability to upload house plans
  • More upfront information about costs

Dot3D

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

OpalAi

No in-app purchases

2 purchases

Dot3D

Subscriptions2
  • Dot3D Pro Monthly Subscription$49.991 Month
  • Dot3D Pro Annual Subscription$349.991 Year

Questions

Is OpalAi free?
OpalAi is free to download, with no in-app purchases.
Is Dot3D free?
Dot3D is free to download, with in-app purchases available.
Which has better reviews, OpalAi or Dot3D?
Dot3D is rated higher. OpalAi averages 4.5 out of 5 from 123 ratings, while Dot3D averages 4.7 from 96 ratings.
Do OpalAi or Dot3D have ads?
Neither OpalAi nor Dot3D shows ads.
Which is updated more often, OpalAi or Dot3D?
OpalAi ships an update monthly, and Dot3D every 3 weeks. Most recently, OpalAi was updated on September 20, 2026 and Dot3D on September 20, 2026.

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