# Value Study vs KMSKA

The clearest difference is review sentiment: Value Study at 92% against KMSKA's 0%. Value Study also leads on ratings volume (3.4K vs 17) and rating (4.8 vs 4.6). KMSKA's advantage is in-app purchases (none vs 7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Value Study sells 7 in-app purchases, starting at $7.99 per year. KMSKA asks for nothing beyond the download.

Value Study holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Value Study has 3.4K ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 92% of Value Study's written reviews are positive against 0% of KMSKA's.

Value Study ships an update every 2 weeks, KMSKA every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Value Study | KMSKA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/value-study-art-reference/id1546616127/reviews)** | [4.6 (17 ratings)](https://appshunter.io/ios/app/kmska/id1630923851/reviews) |
| Number of ratings | **3.4K** | 17 |
| Positive reviews | **92.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 58 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diem Limited](https://appshunter.io/developer/1439019995) | [Koninklijk Museum voor Schone Kunsten Antwerpen](https://appshunter.io/developer/1630923853) |

## What reviewers say

### Value Study

[App page](https://appshunter.io/ios/app/value-study-art-reference/id1546616127)

This app helps artists improve their drawing and painting skills by simplifying reference images into greyscale tones. It allows users to break down complex images into distinct value levels, making it easier to understand light, shadow, and form.

**Highlights:** Simplify images into greyscale tones, Adjustable number of value levels, Highlight areas of the same value, Focus on light, shadow, and form, Enhance traditional art studies, Cross-device compatibility

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Value Study Pro | $7.99 | per year |
| Value Study Pro (yearly) | $7.99 | per year |
| Appreciation | $2.99 | one-time |
| Generous boost | $9.99 | one-time |
| Value Study Pro (Lifetime) | $17.99 | one-time |
| Value Study | $17.99 | one-time |
| Amazing supporter | $24.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful for value studies
- 💡 Allows adjusting number of values
- 🎨 Useful for artists and painters
- ⭐ Great tool for beginners

**What reviewers complain about**

- 🐛 Issues with accurately representing blue hues
- 🔍 Difficulty finding/importing photos
- 🤔 Unclear instructions/lack of tutorial

**Reported bugs**

- App crashes or fails to launch on some devices
- Occasional issues with image processing

**Requested features**

- Add ability to adjust value midpoint
- Include color study/color adjustment options
- Provide side-by-side comparison of original and simplified images
- Add customizable grid overlay


### 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 Value Study free?

Value Study 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, Value Study or KMSKA?

Value Study is rated higher. Value Study averages 4.8 out of 5 from 3.4K ratings, while KMSKA averages 4.6 from 17 ratings.

### Do Value Study or KMSKA have ads?

Neither Value Study nor KMSKA shows ads.

### Which is updated more often, Value Study or KMSKA?

Value Study ships an update every 2 weeks, and KMSKA every 6 weeks. Most recently, Value Study was updated on November 3, 2026 and KMSKA on November 3, 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.*