# Value Study vs Gridder

The clearest difference is in-app purchases: Gridder at none against Value Study's 7. Gridder also leads on rating (5.0 vs 4.8) and iOS requirement (12.0 vs 16.6). Value Study's advantage is ratings volume (3.3K vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Value Study sells 7 in-app purchases, starting at $3.99 per year. Gridder asks for nothing beyond the download.

Gridder holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Value Study has 3.3K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Value Study | Gridder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.3K ratings)](https://appshunter.io/ios/app/value-study-art-reference/id1546616127/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gridder/id6745344814/reviews)** |
| Number of ratings | **3.3K** | 1 |
| Positive reviews | 92.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 34 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diem Limited](https://appshunter.io/developer/1439019995) | [Qing Yan](https://appshunter.io/developer/1811869658) |

## 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


### Gridder

[App page](https://appshunter.io/ios/app/gridder/id6745344814)

Easily add customizable grid lines to your photos. Perfect for artists and illustrators, this tool lets you import images, adjust grid settings like line thickness and color, and export your work for sketching or reference.

**Highlights:** Import and crop images, Customizable grid lines, Adjust rows and columns, Control line thickness and opacity, Change grid line color, Export images with grid

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Value Study free?

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

### Is Gridder free?

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

### Which has better reviews, Value Study or Gridder?

Gridder is rated higher. Value Study averages 4.8 out of 5 from 3.3K ratings, while Gridder averages 5.0 from 1 ratings.

### Do Value Study or Gridder have ads?

Neither Value Study nor Gridder shows ads.

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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.*