# Crystalzoa vs Focus Line

The clearest difference is update cadence: Focus Line at every 5 weeks against Crystalzoa's every 3 months. Focus Line also leads on iOS requirement (15.0 vs 17.6). Crystalzoa's advantage is review sentiment (100% vs 88%) and ratings volume (5 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Crystalzoa costs $0.29 and Focus Line $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Crystalzoa against 5.0 for Focus Line. That said, the two scores are not equally well evidenced: Crystalzoa has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Crystalzoa's written reviews are positive against 88% of Focus Line's.

Crystalzoa ships an update every 3 months, Focus Line every 5 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | Crystalzoa | Focus Line |
| --- | --- | --- |
| Price | $0.29 | $0.29 |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/crystalzoa/id6444454988/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/focus-line/id6447179702/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | #139 | **#119** |
| Size | 318 MB | 22 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael McKenna](https://appshunter.io/developer/1654775595) | [鑫鑫 陈](https://appshunter.io/developer/1680459299) |

## What reviewers say

### Crystalzoa

[App page](https://appshunter.io/ios/app/crystalzoa/id6444454988)

**Currently charting:** #139 Top Paid · Graphics & Design (US App Store)

Create dynamic, evolving visual art with this interactive synthesizer. Respond to touch, sound, and motion to generate unique, shimmering forms. Export high-resolution images and production-quality movies, including 3D options.

**Highlights:** Interactive visual synthesis, Responds to movement, sound, and touch, Dozens of visual styles and controls, High-resolution image and movie capture, 3D stereoscopic movie options, Scripting and MIDI integration, AR mode for immersive experiences

**Features:** macOS Compatibility, Game Controller support, iMessage stickers, Vision Pro support

**In-app purchases:** none


### Focus Line

[App page](https://appshunter.io/ios/app/focus-line/id6447179702)

**Currently charting:** #119 Top Paid · Graphics & Design (US App Store)

Effortlessly transform photos into line art with a single click. This app offers various styles, enhances image clarity, and supports multiple export options, including transparent and high-resolution formats. Enjoy a private, ad-free experience without needing a network connection.

**Highlights:** One-click line art generation, Multiple line art styles, Image super resolution, Adjustable line draft accuracy, Transparent line draft export, 4K high-resolution export

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Crystalzoa free?

Crystalzoa costs $0.29, with no in-app purchases.

### Is Focus Line free?

Focus Line costs $0.29, with no in-app purchases.

### Which has better reviews, Crystalzoa or Focus Line?

Crystalzoa and Focus Line are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Crystalzoa or Focus Line have ads?

Neither Crystalzoa nor Focus Line shows ads.

### Which is updated more often, Crystalzoa or Focus Line?

Crystalzoa ships an update every 3 months, and Focus Line every 5 weeks. Most recently, Crystalzoa was updated on October 27, 2026 and Focus Line on October 27, 2026.

### Which is more popular, Crystalzoa or Focus Line?

Crystalzoa currently peaks at #139 in the App Store charts, and Focus Line at #119. Chart position reflects recent download velocity rather than total install base.

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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.*