# Value Study vs TangleApp

The clearest difference is review sentiment: Value Study at 92% against TangleApp's 45%. Value Study also leads on rating (4.8 vs 3.0) and ratings volume (3.4K vs 4). TangleApp's advantage is iOS requirement (14.0 vs 16.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Value Study sells 7 in-app purchases, starting at $3.99 per year and TangleApp sells 3 in-app purchases, starting at $6.00 per month. Whichever you choose, the download price is not the number that matters.

Value Study holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Value Study has 3.4K ratings behind it against 4, 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 45% of TangleApp's.

Value Study ships an update every 2 weeks, TangleApp every 10 days. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Value Study | TangleApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/value-study-art-reference/id1546616127/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/tangleapp/id6738384358/reviews) |
| Number of ratings | **3.4K** | 4 |
| Positive reviews | **92.0% of reviews** | 45.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 25 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Diem Limited](https://appshunter.io/developer/1439019995) | [Alicia Gutierrez Rey](https://appshunter.io/developer/1780522366) |

## What reviewers say

### Value Study

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

This tool helps artists improve their drawing and painting skills by simplifying reference images into distinct value ranges. It allows users to break down tones step-by-step, highlight areas of similar value, and focus on light, shadow, and form.

**Highlights:** Value breakdown of reference images, Highlighting areas of similar value, Adjustable number of value steps, Focus on light, shadow, and form, Enhances traditional art studies, Cross-platform compatibility

**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 |
| 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


### TangleApp

[App page](https://appshunter.io/ios/app/tangleapp/id6738384358)

Train your mind, find calm, and boost creativity with guided challenges inspired by the Zentangle method. This app offers step-by-step instructions to enhance concentration and reduce stress, making it ideal for both beginners and artists seeking mindfulness.

**Highlights:** Mind training challenges, Zentangle technique inspiration, Step-by-step guides, Concentration enhancement, Stress reduction, Creativity stimulation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suscripción mensual | $6.00 | per month |
| Suscripción trimestral | $15.00 | per 3 months |
| Suscripción anual | $30.00 | per year |


## Frequently asked questions

### Is Value Study free?

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

### Is TangleApp free?

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

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

Value Study is rated higher. Value Study averages 4.8 out of 5 from 3.4K ratings, while TangleApp averages 3.0 from 4 ratings.

### Do Value Study or TangleApp have ads?

Neither Value Study nor TangleApp shows ads.

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

Value Study ships an update every 2 weeks, and TangleApp every 10 days. Most recently, Value Study was updated on October 30, 2026 and TangleApp on October 20, 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.*