# Morpholio Trace vs KMSKA

Morpholio Trace and KMSKA both sit at 4.7 stars, but that hides the real split: 70% of Morpholio Trace's written reviews are positive against 0% of KMSKA's. Morpholio Trace also leads on ratings volume (11K vs 17) and update cadence (every 2 weeks vs every 6 weeks). KMSKA's advantage is in-app purchases (none vs 4) and iOS requirement (15.0 vs 17.6). On price, rating, ads and device support there is nothing between them.

Both are free to download. Morpholio Trace sells 4 in-app purchases, starting at $4.99 per year. KMSKA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Morpholio Trace against 4.6 for KMSKA. That said, the two scores are not equally well evidenced: Morpholio Trace has 11K ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 70% of Morpholio Trace's written reviews are positive against 0% of KMSKA's.

Morpholio Trace ships an update every 2 weeks, KMSKA every 6 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | Morpholio Trace | KMSKA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11K ratings)](https://appshunter.io/ios/app/morpholio-trace-sketch-cad/id547274918/reviews)** | [4.6 (17 ratings)](https://appshunter.io/ios/app/kmska/id1630923851/reviews) |
| Number of ratings | **11K** | 17 |
| Positive reviews | **69.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Freemium | **Free** |
| Size | 625 MB | 58 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vectorworks, Inc.](https://appshunter.io/developer/506706853) | [Koninklijk Museum voor Schone Kunsten Antwerpen](https://appshunter.io/developer/1630923853) |

## What reviewers say

### Morpholio Trace

[App page](https://appshunter.io/ios/app/morpholio-trace-sketch-cad/id547274918)

This app is a comprehensive design and architecture drawing tool. It allows users to sketch, layer ideas, and communicate through drawings. It supports various design phases and works with images, PDFs, and 3D models to scale.

**Highlights:** Layered sketching and idea development, Drawing markup on images and PDFs, Design and architecture drawing to scale, Export drawing sets, images, and PDFs, Tools for architects and designers, Sketch recording and instant scale

**Features:** Family Sharing, Vision Pro support, SharePlay

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trace Essentials Subscription | $4.99 | per year |
| Trace Pro Monthly | $7.99 | per month |
| Trace Plus Subscription | $9.99 | per year |
| Trace Pro Subscription | $24.99 | per year |

**What reviewers like**

- 🚀 Powerful sketching and drawing tools
- 🔍 Accurate scale and measurement features
- 👍 Intuitive and easy to use
- 💡 Innovative stencil and perspective tools
- 📚 Helpful tutorials and customer support

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔒 Requires account creation to use
- 💰 Subscription-based pricing model
- 🔍 Limited layer management and editing options
- 🖼️ Raster-based rather than vector-based

**Reported bugs**

- Ruler tool freezing and becoming unresponsive
- Imported images randomly rotating or resizing
- Undo/redo functionality being unreliable
- Exported PDFs having low resolution or quality issues

**Requested features**

- Ability to merge and copy layers
- More customization options for title blocks and annotations
- Cloud sync and multi-device support
- Improved text handling and dimensioning tools
- Integration with CAD and 3D modeling software


### KMSKA

[App page](https://appshunter.io/ios/app/kmska/id1630923851)

Explore the museum with curated audio, video, and text tours. This guide enhances your visit to the Royal Museum of Fine Arts Antwerp.

**Highlights:** Curated museum tours, Audio guides, Video content, Textual information, Enhances museum visits

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

**In-app purchases:** none


## Frequently asked questions

### Is Morpholio Trace free?

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

### Is KMSKA free?

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

### Which has better reviews, Morpholio Trace or KMSKA?

Morpholio Trace is rated higher. Morpholio Trace averages 4.7 out of 5 from 11K ratings, while KMSKA averages 4.6 from 17 ratings.

### Do Morpholio Trace or KMSKA have ads?

Neither Morpholio Trace nor KMSKA shows ads.

### Which is updated more often, Morpholio Trace or KMSKA?

Morpholio Trace ships an update every 2 weeks, and KMSKA every 6 weeks. Most recently, Morpholio Trace was updated on November 7, 2026 and KMSKA on November 7, 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.*