# Sketch Grid vs Value Study

The clearest difference is review sentiment: Value Study at 92% against Sketch Grid's 42%. Value Study also leads on price (Free vs $2.99) and update cadence (weekly vs every 11 months). Sketch Grid's advantage is in-app purchases (none vs 5) and chart position (#83 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Value Study is free to download; Sketch Grid costs $2.99 up front. Value Study sells 5 in-app purchases, starting at $3.99 per year. Sketch Grid asks for nothing beyond the download.

Value Study holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Value Study has 3.3K ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 42% of Sketch Grid's written reviews are positive against 92% of Value Study's.

Sketch Grid ships an update every 11 months, Value Study weekly. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Sketch Grid | Value Study |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.4 (32 ratings)](https://appshunter.io/ios/app/sketch-grid/id573334305/reviews) | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/value-study-art-reference/id1546616127/reviews)** |
| Number of ratings | 32 | **3.3K** |
| Positive reviews | 42.1% of reviews | **91.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#83** | — |
| Size | 29 MB | 33 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [supple software ltd](https://appshunter.io/developer/573334308) | [Diem Limited](https://appshunter.io/developer/1439019995) |

## What reviewers say

### Sketch Grid

[App page](https://appshunter.io/ios/app/sketch-grid/id573334305)

**Currently charting:** #83 Top Paid · Graphics & Design (US App Store)

This app helps artists accurately reproduce, scale, or adjust reference images using various grid types. It allows customization of grid size, color, and thickness, and can convert images to sketches for easier line identification. Users can export their adjusted compositions in original resolution.

**Highlights:** Grid method for image reproduction and scaling, Adjust image proportions, Square, proportional, and triangular grids, Customizable grid size, color, and thickness, Convert image to sketch view, Full-screen composition view, Export in original resolution

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Sketch Grid free?

Sketch Grid costs $2.99, with no in-app purchases.

### Is Value Study free?

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

### Which has better reviews, Sketch Grid or Value Study?

Value Study is rated higher. Sketch Grid averages 4.4 out of 5 from 32 ratings, while Value Study averages 4.8 from 3.3K ratings.

### Do Sketch Grid or Value Study have ads?

Neither Sketch Grid nor Value Study shows ads.

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

Sketch Grid ships an update every 11 months, and Value Study weekly. Most recently, Sketch Grid was updated on September 14, 2026 and Value Study on September 23, 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.*