# ARki vs RayMol

The clearest difference is in-app purchases: RayMol at none against ARki's 5. RayMol also leads on review sentiment (100% vs 72%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ARki sells 5 in-app purchases, starting at $5.00 per 7 days. RayMol asks for nothing beyond the download.

ARki ships an update every 2 weeks, RayMol fortnightly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ARki | RayMol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (256 ratings)](https://appshunter.io/ios/app/arki-building-plus-room-planner/id700695106/reviews)** | — |
| Number of ratings | **256** | — |
| Positive reviews | 71.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 154 MB | 217 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Darf Design LTD](https://appshunter.io/developer/645299046) | [Javier Castellanos](https://appshunter.io/developer/6781513040) |

## What reviewers say

### ARki

[App page](https://appshunter.io/ios/app/arki-building-plus-room-planner/id700695106)

Design and visualize your dream spaces in 3D and augmented reality. This app offers tools for effortless room planning, interior decorating, and architectural design, suitable for both beginners and professionals. Preview changes in real-time before making them.

**Highlights:** 3D Home Design & Room Planner, Augmented Reality Visualization, Instant Floor Plan Creator (LiDAR/Manual), Extensive 3D Furniture Library, Import 3D Models (Pro), Sync & Share Functionality

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Subscription | $5.00 | per 7 days |
| Personal Subscription | $12.00 | per month |
| ARki Pro Subscription | $19.49 | per month |
| Personal Subscription | $29.00 | per 6 months |
| ARki Pro Yearly Subscription | $219.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 💡 Great for interior design
- 🚀 Fast visualizations
- ✨ Good updates and new features
- ✨ Excellent AR capabilities

**What reviewers complain about**

- 🐛 Clunky UI
- 🐛 Difficult to use
- 🐛 Bugs and glitches
- 🐛 Poor performance
- 🐛 Slow loading times

**Reported bugs**

- Measurements change unexpectedly
- Things wouldn't rotate
- Stairs didn't stay in place
- Rotations reset on reopening
- UI buttons close current document

**Requested features**

- More models for the library
- Tutorials that are not fast-talkers
- Visible tools for undo and duplicate
- More preset shapes
- More window options


### RayMol

[App page](https://appshunter.io/ios/app/raymol/id6781513038)

Visualize and explore molecular structures with high-quality, real-time graphics on Apple devices. Offers various rendering options, interactive tools, and animation capabilities. Runs entirely on-device with no data collection or ads.

**Highlights:** Molecular structure visualization, Real-time graphics rendering, Interactive exploration tools, Customizable themes, Animation and movie creation, PyMOL scripting interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ARki free?

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

### Is RayMol free?

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

### Do ARki or RayMol have ads?

Neither ARki nor RayMol shows ads.

### Which is updated more often, ARki or RayMol?

ARki ships an update every 2 weeks, and RayMol fortnightly. Most recently, ARki was updated on November 6, 2026 and RayMol 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.*