Comparison

Polycam 3D Scanner & Modeling vs CTViewer

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

Head to head
About

Polycam 3D Scanner & Modeling

This app transforms phone scans into professional documents like floor plans, as-builts, and estimates. It offers fast, accurate interior and structural capture using photogrammetry and LiDAR, with multiple export options for various workflows.

Highlights
  • 2D and 3D floor plan creation
  • Accurate measurements and annotations
  • 3D model and point cloud export
  • Photogrammetry and LiDAR scanning
  • Drone and aerial capture
  • Shareable 360° tours
Read full description

Polycam turns a single phone scan into the documents jobs run on: floor plans, as-builts, estimates, roof reports, claims files, measurements, and CAD-ready exports. No tripod. No technician. No two-week wait. WHAT YOU WALK AWAY WITH • Floor plans — 2D and 3D, ready for AutoCAD, SketchUp, and Revit • As-builts — weeks of documentation compressed into minutes • Measurements — every dimension in the room, in the time it takes to cross it • Estimates — priced off real conditions, not guesses • Claims and damage records — dated, dimensioned, defensible • 3D models and point clouds — .obj, .dae, .fbx, .stl, .dxf, .ply, .esx • 360° tours — shareable links for clients and remote stakeholders HOW YOU CAPTURE IT • 3D scanner for fast, accurate interior and structural capture that works without LiDAR • Photogrammetry and Gaussian splats from photos and video • Drone and aerial capture for roofs, exteriors, and whole-site coverage • Measure, annotate, crop, rescale, and label directly on the scan WHERE IT FITS IN YOUR WORKFLOW • Construction documentation and progress tracking • Renovation and design visualization • Insurance, restoration, and damage assessment • Site survey and drone-based mapping • BIM coordination and CAD workflows • Factory layout and equipment documentation WORK FROM ONE TRUTH Share scans and floor plans with clients and teammates by link. Control access with private or public permissions. Use shared libraries so the whole team is looking at the same site. View, edit, and export from any computer on Polycam Web, included free. 34 million scans. More than 10 million people. Over 2 billion square feet captured. Privacy Policy: https://poly.cam/privacy_policy.pdf Terms of Use: https://poly.cam/terms_and_conditions.pdf

About

CTViewer

This surveillance app allows small businesses to remotely monitor security cameras on their mobile devices. View live footage, playback recordings, and receive important notifications to stay connected to your business operations from anywhere.

Highlights
  • Remote live viewing
  • Playback recorded footage
  • Receive notifications
  • Cloud P2P support
  • Mobile management
Features
Read full description

The CTViewer app is a surveillance application for mobile phones and tablets that support cloud P2P function. The Mobile Software App has been designed to help small businesses effectively operate and manage security devices from a smartphone or tablet. The power to view live images, play back footage, and receive notifications remotely keeps owners and operators in touch with their business, even when away.

Screenshots

Polycam 3D Scanner & Modeling4 screens
CTViewer4 screens

Verdict

The call

The clearest difference is review sentiment: Polycam 3D Scanner & Modeling at 70% against CTViewer's 0%. Polycam 3D Scanner & Modeling also leads on rating (4.6 vs 3.0) and update cadence (weekly vs every 6 months). CTViewer's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 18.0). On price, ads and device support 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. Polycam 3D Scanner & Modeling sells 5 in-app purchases, starting at $26.99 per month. CTViewer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Polycam 3D Scanner & Modeling holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Polycam 3D Scanner & Modeling has 44K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of Polycam 3D Scanner & Modeling's written reviews are positive against 0% of CTViewer's.

UpkeepUpdate frequency

Polycam 3D Scanner & Modeling ships an update weekly, CTViewer every 6 months. The most recent releases landed on November 13, 2026 and November 3, 2026 respectively.

Scorecard8 real differences · 3 level
Polycam 3D Scanner & Modeling versus CTViewer: the parameters behind the verdict, then further details
ParameterPolycam 3D Scanner & ModelingCTViewer
PriceFreeFree
Rating4.6 (44K ratings) — better3.0 (2 ratings)
Positive reviews70.3% of reviews — better0.0% of reviews
Number of ratings44K — better2
Update frequencyWeekly — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#60 — better—
DevicesiPhone, iPad, Vision ProiPhone, iPad, iPod
Requires iOS18.013.0 — better
Further details — not scored
Size520 MB134 MB
Age rating17+4+
DeveloperPolycam Inc.YU BO HAN

Customer experience

Polycam 3D Scanner & Modeling

All ratings44,115 ratings
Positive91.4%
Neutral3.0%
Negative5.6%
Written reviews2,731 reviews
Positive70.3%
Neutral5.5%
Negative24.1%

CTViewer

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Polycam 3D Scanner & Modeling

Reported bugs

4 issues
  • Scans disappearing after processing
  • Inability to save or export scans
  • Inconsistent behavior when exiting the app
  • Inaccurate room dimensions and measurements

Requested features

5 requests
  • Add flash support for better lighting
  • Allow screen rotation for wider scanning angles
  • Improve texture quality and reduce artifacts
  • Provide more detailed feedback during scanning
  • Enable offline scanning without internet connection

CTViewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Polycam 3D Scanner & Modeling

Subscriptions5
  • Polycam Pro Monthly$26.991 Month
  • Polycam Basic$29.991 Month
  • Polycam Basic Yearly7 Days trial$149.991 Year
Show 2 more
  • Polycam Pro Yearly7 Days trial$199.991 Year
  • Polycam Business Yearly$549.991 Year
None

CTViewer

No in-app purchases

Questions

Is Polycam 3D Scanner & Modeling free?
Polycam 3D Scanner & Modeling is free to download, with in-app purchases available.
Is CTViewer free?
CTViewer is free to download, with no in-app purchases.
Which has better reviews, Polycam 3D Scanner & Modeling or CTViewer?
Polycam 3D Scanner & Modeling is rated higher. Polycam 3D Scanner & Modeling averages 4.6 out of 5 from 44K ratings, while CTViewer averages 3.0 from 2 ratings.
Do Polycam 3D Scanner & Modeling or CTViewer have ads?
Neither Polycam 3D Scanner & Modeling nor CTViewer shows ads.
Which is updated more often, Polycam 3D Scanner & Modeling or CTViewer?
Polycam 3D Scanner & Modeling ships an update weekly, and CTViewer every 6 months. Most recently, Polycam 3D Scanner & Modeling was updated on November 13, 2026 and CTViewer on November 3, 2026.

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