Comparison

Immersal Mapper vs Dot3D

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

Head to head
About

Immersal Mapper

Create detailed 3D scans of physical environments. Generate maps, point clouds, and other data for use in augmented reality applications. Evaluate the tool for free by signing up on the developer portal.

Highlights
  • 3D space mapping
  • Sparse point cloud generation
  • Dense point cloud generation
  • Augmented Reality integration
  • Free evaluation available
Features
Read full description

Immersal Mapper lets you map, or 3D scan physical spaces. The maps—alongside sparse and dense point clouds—can be used in Augmented Reality apps. Immersal Mapper can be evaluated for free by signing up at the Developer Portal. Please visit https://immersal.com/ for more information.

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

Immersal Mapper3 screens
Dot3D4 screens

Verdict

The call

The clearest difference is in-app purchases: Immersal Mapper at none against Dot3D's 2. Immersal Mapper also leads on rating (5.0 vs 4.7). Dot3D's advantage is ratings volume (96 vs 1) and update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement 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. Immersal Mapper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Immersal Mapper holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Dot3D has 96 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Immersal Mapper ships an update every 2 months, Dot3D every 3 weeks. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
Immersal Mapper versus Dot3D: the parameters behind the verdict, then further details
ParameterImmersal MapperDot3D
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (96 ratings)
Positive reviews—81.3% of reviews
Number of ratings196 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size90 MB99 MB
Age rating4+4+
DeveloperImmersal Ltd.DotProduct LLC

Customer experience

Immersal Mapper

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Dot3D

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

In-app purchases

None

Immersal Mapper

No in-app purchases

2 purchases

Dot3D

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

Questions

Is Immersal Mapper free?
Immersal Mapper 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, Immersal Mapper or Dot3D?
Immersal Mapper is rated higher. Immersal Mapper averages 5.0 out of 5 from 1 ratings, while Dot3D averages 4.7 from 96 ratings.
Do Immersal Mapper or Dot3D have ads?
Neither Immersal Mapper nor Dot3D shows ads.
Which is updated more often, Immersal Mapper or Dot3D?
Immersal Mapper ships an update every 2 months, and Dot3D every 3 weeks. Most recently, Immersal Mapper was updated on September 9, 2026 and Dot3D on September 24, 2026.

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