# OpalAi vs Dot3D

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.

Both are free to download. Dot3D sells 2 in-app purchases, starting at $49.99 per month. OpalAi asks for nothing beyond the download.

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.

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

## The numbers

| Metric | OpalAi | Dot3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (123 ratings)](https://appshunter.io/ios/app/opalai-scanto3d-and-floorplan/id1537506295/reviews) | **[4.7 (96 ratings)](https://appshunter.io/ios/app/dot3d-precision-lidar-scanner/id1641016966/reviews)** |
| Number of ratings | **123** | 96 |
| Positive reviews | 70.3% of reviews | **81.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 89 MB | 99 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OPAL AI INC](https://appshunter.io/developer/1537506297) | [DotProduct LLC](https://appshunter.io/developer/1606557130) |

## What reviewers say

### OpalAi

[App page](https://appshunter.io/ios/app/opalai-scanto3d-and-floorplan/id1537506295)

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:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 🚀 Revolutionized 3D capture
- 👍 Very cool and nice app
- 🚀 Quick 3D results
- 👍 Easy to use indoor and outdoor
- 👍 Best app for 3D

**What reviewers complain about**

- 💰 Hidden costs for 3D models
- 💰 Deceptive pricing
- 💰 Charged after demo despite cancellation request
- 💰 Scammy cancellation process via email only
- 💰 Not upfront about pricing

**Reported bugs**

- 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**

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


### Dot3D

[App page](https://appshunter.io/ios/app/dot3d-precision-lidar-scanner/id1641016966)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dot3D Pro Monthly Subscription | $49.99 | per month |
| Dot3D Pro Annual Subscription | $349.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*