# OpalAi vs DXF File Reader Viewer PDF

The clearest difference is review sentiment: OpalAi at 70% against DXF File Reader Viewer PDF's 6%. OpalAi also leads on rating (4.5 vs 3.7) and in-app purchases (none vs 3). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. DXF File Reader Viewer PDF sells 3 in-app purchases, starting at $4.99 per 7 days. OpalAi asks for nothing beyond the download.

OpalAi holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 122 and 68 respectively. Written reviews point the same way: 70% of OpalAi's written reviews are positive against 6% of DXF File Reader Viewer PDF's.

OpalAi ships an update monthly, DXF File Reader Viewer PDF fortnightly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | OpalAi | DXF File Reader Viewer PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (122 ratings)](https://appshunter.io/ios/app/opalai-scanto3d-and-floorplan/id1537506295/reviews)** | [3.7 (68 ratings)](https://appshunter.io/ios/app/dxf-file-reader-viewer-pdf/id6477047669/reviews) |
| Number of ratings | **122** | 68 |
| Positive reviews | **70.3% of reviews** | 6.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 89 MB | 43 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [OPAL AI INC](https://appshunter.io/developer/1537506297) | [NEURASYNC](https://appshunter.io/developer/1639101560) |

## 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


### DXF File Reader Viewer PDF

[App page](https://appshunter.io/ios/app/dxf-file-reader-viewer-pdf/id6477047669)

Easily view and convert DXF files to various formats, including PDF, DWG, and image files. This tool offers batch processing, cloud integration, and a user-friendly interface for professionals, students, and hobbyists.

**Highlights:** View DXF files with detailed display, Convert DXF to PDF, DWG, JPG, PNG, etc., Supports multiple output formats, Intuitive user interface, Batch processing for multiple files, Cloud storage integration, High-quality output

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DXF Weekly Sub - 50 Conversion | $4.99 | per 7 days |
| DXF Weekly Subscription | $4.99 | per 7 days |
| DXF File Reader Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is OpalAi free?

OpalAi is free to download, with no in-app purchases.

### Is DXF File Reader Viewer PDF free?

DXF File Reader Viewer PDF is free to download, with in-app purchases available.

### Which has better reviews, OpalAi or DXF File Reader Viewer PDF?

OpalAi is rated higher. OpalAi averages 4.5 out of 5 from 122 ratings, while DXF File Reader Viewer PDF averages 3.7 from 68 ratings.

### Do OpalAi or DXF File Reader Viewer PDF have ads?

Neither OpalAi nor DXF File Reader Viewer PDF shows ads.

### Which is updated more often, OpalAi or DXF File Reader Viewer PDF?

OpalAi ships an update monthly, and DXF File Reader Viewer PDF fortnightly. Most recently, OpalAi was updated on October 24, 2026 and DXF File Reader Viewer PDF on October 23, 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.*