# Value Study vs Cranio Head Study

The clearest difference is iOS requirement: Value Study at 16.6 against Cranio Head Study's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Value Study sells 5 in-app purchases, starting at $3.99 per year and Cranio Head Study sells 5 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

Value Study ships an update weekly, Cranio Head Study every 9 days. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Value Study | Cranio Head Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/value-study-art-reference/id1546616127/reviews)** | — |
| Number of ratings | **3.3K** | — |
| Positive reviews | 91.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 159 MB |
| Requires iOS | **16.6** | 18.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Diem Limited](https://appshunter.io/developer/1439019995) | [Avinash Kumawat](https://appshunter.io/developer/1552057072) |

## What reviewers say

### Value Study

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

This app helps artists improve their skills by analyzing light and shadow in reference images. It allows users to break down tones step-by-step, from simple black and white to more complex value ranges, aiding in the understanding of depth and form. It's a tool to enhance traditional art studies.

**Highlights:** Step-by-step tone breakdown, Highlighting areas of same value, Focus on light, shadow, and form, Greyscale value studies, Works with reference images

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Value Study Pro | $3.99 | per year |
| Appreciation | $2.99 | one-time |
| Value Study Pro (Lifetime) | $9.99 | one-time |
| Generous boost | $9.99 | 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


### Cranio Head Study

[App page](https://appshunter.io/ios/app/cranio-head-study/id6775111632)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $2.99 | per year |
| Pro Monthly | $2.99 | per month |
| Pro · Monthly | $4.99 | per month |
| Pro · Annual | $29.99 | per year |
| Pro · Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Value Study free?

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

### Is Cranio Head Study free?

Cranio Head Study is free to download, with in-app purchases available.

### Do Value Study or Cranio Head Study have ads?

Neither Value Study nor Cranio Head Study shows ads.

### Which is updated more often, Value Study or Cranio Head Study?

Value Study ships an update weekly, and Cranio Head Study every 9 days. Most recently, Value Study was updated on September 23, 2026 and Cranio Head Study on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*