# Open3D vs MapToNap

The clearest difference is in-app purchases: Open3D at none against MapToNap's 2. MapToNap's advantage is ads (none vs shown) and update cadence (daily vs every 2 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MapToNap sells 2 in-app purchases, starting at $3.99 per month. Open3D asks for nothing beyond the download.

Open3D ships an update every 2 days, MapToNap daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | Open3D | MapToNap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/open3d-stl-and-3d-model-viewer/id6772109964/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Ad-supported | — |
| Size | 77 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rajesh Konatala](https://appshunter.io/developer/1882436576) | [yiliyasi tusongjiang](https://appshunter.io/developer/6807469742) |

## What reviewers say

### Open3D

[App page](https://appshunter.io/ios/app/open3d-stl-and-3d-model-viewer/id6772109964)

View and edit a wide range of 3D model file formats directly on your device. Inspect models for 3D printing, convert between formats, and even view them in augmented reality. All processing is done locally, ensuring your files remain private.

**Highlights:** Supports over 15 3D file formats, On-device AR viewing with Quick Look, 3D printing readiness checks, Model conversion and export, Offline functionality, Local file processing, no cloud upload

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

**In-app purchases:** none


### MapToNap

[App page](https://appshunter.io/ios/app/maptonap/id6814252823)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MapToNap Pro Monthly | $3.99 | per month |
| MapToNap Pro Annual | $34.99 | per year |


## Frequently asked questions

### Is Open3D free?

Open3D is free to download, with no in-app purchases.

### Is MapToNap free?

MapToNap is free to download, with in-app purchases available.

### Do Open3D or MapToNap have ads?

Open3D shows ads; MapToNap does not.

### Which is updated more often, Open3D or MapToNap?

Open3D ships an update every 2 days, and MapToNap daily. Most recently, Open3D was updated on October 31, 2026 and MapToNap on October 31, 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.*