# OpenPlan3D vs Sill

The clearest difference is update cadence: Sill at every 2 days against OpenPlan3D's monthly. Sill also leads on iOS requirement (17.0 vs 26.2). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for OpenPlan3D against 5.0 for Sill. Both are backed by a comparable volume of ratings — 4 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

OpenPlan3D ships an update monthly, Sill every 2 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OpenPlan3D | Sill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/openplan3d/id6759076170/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/sill-mac-streaming/id6816359860/reviews) |
| Number of ratings | 4 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 10 MB | 3 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Laan Labs](https://appshunter.io/developer/310916919) | [NOAH WILLIAM SAFFER](https://appshunter.io/developer/6816359862) |

## What reviewers say

### OpenPlan3D

[App page](https://appshunter.io/ios/app/openplan3d/id6759076170)

Scan rooms with your iPhone to instantly generate accurate 2D floor plans and 3D models. Edit walls, doors, and windows, then export your designs in various formats. Share your plans or further design them on a free, open-source web editor.

**Highlights:** LiDAR room scanning, Automatic floor plan generation, 3D dollhouse model creation, Built-in floor plan editor, Multiple export formats (PNG, SVG, DXF, PDF, USDZ), Open-source web editor integration, Private and no account required

**Features:** Vision Pro support

**In-app purchases:** none


### Sill

[App page](https://appshunter.io/ios/app/sill-mac-streaming/id6816359860)

Stream your Mac's desktop or individual windows to your iPhone or iPad. Control your computer remotely using touch, keyboard, or Apple Pencil with encrypted connections. Offers flexible streaming quality and connection options.

**Highlights:** Stream Mac windows or desktop to iPhone/iPad, Remote control with touch, keyboard, Apple Pencil, Encrypted connections with TLS 1.3, Adjustable streaming quality and frame rate, Virtual display option for continuous updates, Multiple connection modes (Wired, Wi-Fi, Direct, Remote)

**In-app purchases:** none


## Frequently asked questions

### Is OpenPlan3D free?

OpenPlan3D is free to download, with no in-app purchases.

### Is Sill free?

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

### Which has better reviews, OpenPlan3D or Sill?

OpenPlan3D and Sill are both rated 5.0 out of 5 on the App Store, from 4 and 11 ratings respectively.

### Do OpenPlan3D or Sill have ads?

Neither OpenPlan3D nor Sill shows ads.

### Which is updated more often, OpenPlan3D or Sill?

OpenPlan3D ships an update monthly, and Sill every 2 days. Most recently, OpenPlan3D was updated on October 11, 2026 and Sill on October 16, 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.*