# StringyLine vs Diamond Painting Art Book

The clearest difference is in-app purchases: StringyLine at none against Diamond Painting Art Book's 3. StringyLine also leads on ads (none vs shown) and review sentiment (100% vs 68%). Diamond Painting Art Book's advantage is update cadence (every 3 weeks vs every 14 months) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Diamond Painting Art Book sells 3 in-app purchases, starting at $7.49 per 7 days. StringyLine asks for nothing beyond the download.

StringyLine ships an update every 14 months, Diamond Painting Art Book every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | StringyLine | Diamond Painting Art Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (45K ratings)](https://appshunter.io/ios/app/diamond-painting-art-book/id1492980939/reviews)** |
| Number of ratings | — | **45K** |
| Positive reviews | **100.0% of reviews** | 67.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 7 MB | 268 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arcade Wizz Kid Pty Ltd](https://appshunter.io/developer/376497045) | [Picfun, Inc.](https://appshunter.io/developer/1262982100) |

## What reviewers say

### StringyLine

[App page](https://appshunter.io/ios/app/stringyline/id1440985802)

Interact with dynamic lines and shapes through intuitive touch controls. Visualize and play with flowing, interconnected elements. A simple yet engaging experience for creative exploration.

**Highlights:** Swipe-based interaction, Dynamic line visualization, Shape manipulation, Creative exploration, Engaging gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Diamond Painting Art Book

[App page](https://appshunter.io/ios/app/diamond-painting-art-book/id1492980939)

Engage in a digital diamond art coloring adventure. Use virtual gems and diamonds to create sparkling artwork on your device. Enjoy this fun and accessible art experience anytime, anywhere.

**Highlights:** Digital diamond art coloring, Paint by number functionality, Use virtual gems and diamonds, Accessible anytime, anywhere, Family-friendly gameplay

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond Coloring-Diamond Art | $7.49 | per 7 days |
| Diamond Coloring Monthly | $13.99 | per month |
| Diamond Coloring Annual | $59.99 | per year |

**What reviewers like**

- 💎 Beautiful diamond/glitter artwork
- 🎨 Relaxing and creative coloring experience
- 🎶 Soothing sound effects and music
- 👍 Easy to use and intuitive interface

**What reviewers complain about**

- 🔒 Limited free content, paywall for premium features
- 🔁 Inability to return to main menu after completing a picture
- 📺 Excessive ads that interrupt gameplay
- 🐛 Occasional crashes and technical issues

**Reported bugs**

- Black screen when trying to access certain pictures
- Inability to change gem style without watching an ad
- Ads covering up the coloring progress bar

**Requested features**

- More free and diverse artwork options
- Ability to customize gem shapes and colors
- Option to save/export completed pictures
- Improved navigation and flow between pictures


## Frequently asked questions

### Is StringyLine free?

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

### Is Diamond Painting Art Book free?

Diamond Painting Art Book is free to download, with in-app purchases available.

### Do StringyLine or Diamond Painting Art Book have ads?

Diamond Painting Art Book shows ads; StringyLine does not.

### Which is updated more often, StringyLine or Diamond Painting Art Book?

StringyLine ships an update every 14 months, and Diamond Painting Art Book every 3 weeks. Most recently, StringyLine was updated on October 24, 2026 and Diamond Painting Art Book on October 30, 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.*