Comparison

ReefScan vs Carlson Scan3D

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

Head to head
About

ReefScan

Capture underwater images and depth data to create 3D models with a companion desktop application. This tool is fast, accurate, and versatile, working both above and below water.

Highlights
  • Underwater image and depth map collection
  • 3D model creation with MacOS companion app
  • Fast and accurate scanning
  • Above-water scanning capability
  • Compatibility with other photogrammetry apps
Features
Read full description

ReefScan for iOS collects images and depth map data for underwater features such as reefs, coral, and wrecks. This data can then be used with the MacOS companion app ReefBuild to create a 3-D model. Very fast and accurate scanning. Also works above water and can be used with other photogrammetry applications besides ReefBuild.

About

Carlson Scan3D

Transform your iPhone or iPad into a powerful 3D laser scanner with LiDAR. This app processes data locally for enhanced accuracy and security, ideal for professionals in various industries needing precise 3D capture.

Highlights
  • High-powered 3D scanning tool
  • Precise color 3D point clouds
  • Local data optimization
  • Enhanced accuracy and security
  • Supports LiDAR-equipped iOS devices
Features
Read full description

Unlock the future of 3D laser scanning with Carlson Scan3D iOS! Break new ground by transforming your iPhone or iPad into a high-powered 3D scanning tool, when equipped with LiDAR technology. Our app, tailored for professionals, delivers extensive and precise color 3D point clouds using compatible iOS devices. Say goodbye to cloud processing – Carlson Scan3D performs all data optimization locally, ensuring both accuracy and security right on your device. Whether you're in land development, civil, construction, architecture, law enforcement or any industry needing top-notch 3D capture solutions, Carlson Scan3D iOS empowers you to elevate your workflow and deliver remarkable results. Take the first step today and experience the future of 3D scanning when you download and install Carlson Scan3D iOS. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ReefScan3 screens
Carlson Scan3D4 screens

Verdict

The call

The clearest difference is in-app purchases: ReefScan at none against Carlson Scan3D's 1. ReefScan also leads on rating (5.0 vs 4.8). Carlson Scan3D's advantage is update cadence (every 9 days vs every 23 months) and ratings volume (9 vs 1). 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. Carlson Scan3D sells 1 in-app purchase, starting at $999.99 per year. ReefScan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ReefScan holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Carlson Scan3D has 9 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

ReefScan ships an update every 23 months, Carlson Scan3D every 9 days. The most recent releases landed on June 1, 2026 and August 14, 2026 respectively.

Scorecard5 real differences · 5 level
ReefScan versus Carlson Scan3D: the parameters behind the verdict, then further details
ParameterReefScanCarlson Scan3D
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (9 ratings)
Positive reviews—100.0% of reviews
Number of ratings19 — better
Update frequencyEvery 23 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.014.0
Further details — not scored
Size14 MB94 MB
Age rating4+4+
DeveloperCraniaLab, LLCCarlson Software, Inc

Customer experience

ReefScan

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

Carlson Scan3D

All ratings9 ratings
Positive88.9%
Neutral11.1%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ReefScan

No in-app purchases

1 purchases

Carlson Scan3D

Subscriptions1
  • Annual Subscription$999.991 Year

Questions

Is ReefScan free?
ReefScan is free to download, with no in-app purchases.
Is Carlson Scan3D free?
Carlson Scan3D is free to download, with in-app purchases available.
Which has better reviews, ReefScan or Carlson Scan3D?
ReefScan is rated higher. ReefScan averages 5.0 out of 5 from 1 ratings, while Carlson Scan3D averages 4.8 from 9 ratings.
Do ReefScan or Carlson Scan3D have ads?
Neither ReefScan nor Carlson Scan3D shows ads.
Which is updated more often, ReefScan or Carlson Scan3D?
ReefScan ships an update every 23 months, and Carlson Scan3D every 9 days. Most recently, ReefScan was updated on June 1, 2026 and Carlson Scan3D on August 14, 2026.

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