# Value Study vs Oh Sketch!

The clearest difference is review sentiment: Value Study at 92% against Oh Sketch!'s 0%. Value Study also leads on rating (4.8 vs 4.1) and ratings volume (3.3K vs 9). Oh Sketch!'s advantage is update cadence (weekly vs fortnightly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Value Study sells 7 in-app purchases, starting at $3.99 per year and Oh Sketch! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Value Study holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Value Study has 3.3K ratings behind it against 9, 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 Oh Sketch!'s.

Value Study ships an update fortnightly, Oh Sketch! weekly. The most recent releases landed on October 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Value Study | Oh Sketch! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/value-study-art-reference/id1546616127/reviews)** | [4.1 (9 ratings)](https://appshunter.io/ios/app/oh-sketch/id6569253013/reviews) |
| Number of ratings | **3.3K** | 9 |
| Positive reviews | **92.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 38 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diem Limited](https://appshunter.io/developer/1439019995) | [David Joech](https://appshunter.io/developer/1479581894) |

## 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 (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Value Study Pro | $3.99 | per year |
| Value Study Pro (yearly) | $6.99 | per year |
| Appreciation | $2.99 | one-time |
| Value Study Pro (Lifetime) | $9.99 | one-time |
| Generous boost | $9.99 | 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


### Oh Sketch!

[App page](https://appshunter.io/ios/app/oh-sketch/id6569253013)

This app offers daily drawing challenges, random prompt generation, and art inspiration to help users improve their skills and explore new techniques. It features a community section to discover and share art, along with an art blog for deeper insights.

**Highlights:** Daily drawing challenges, Random prompt generator, Save content for later, Art blog, Community discovery, Human-created content

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oh Sketch Pro Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Value Study free?

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

### Is Oh Sketch! free?

Oh Sketch! is free to download, with in-app purchases available.

### Which has better reviews, Value Study or Oh Sketch!?

Value Study is rated higher. Value Study averages 4.8 out of 5 from 3.3K ratings, while Oh Sketch! averages 4.1 from 9 ratings.

### Do Value Study or Oh Sketch! have ads?

Neither Value Study nor Oh Sketch! shows ads.

### Which is updated more often, Value Study or Oh Sketch!?

Value Study ships an update fortnightly, and Oh Sketch! weekly. Most recently, Value Study was updated on October 17, 2026 and Oh Sketch! on September 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.*