# Fraⅹ vs KnowledgeGraph

The clearest difference is price: Fraⅹ at Free against KnowledgeGraph's $2.99. Fraⅹ also leads on update cadence (every 6 weeks vs every 5 months). KnowledgeGraph's advantage is in-app purchases (none vs 5) and device support (5 vs 2). On ads there is nothing between them.

Fraⅹ is free to download; KnowledgeGraph costs $2.99 up front. Fraⅹ sells 5 one-off in-app purchases. KnowledgeGraph asks for nothing beyond the download.

Fraⅹ ships an update every 6 weeks, KnowledgeGraph every 5 months. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Fraⅹ | KnowledgeGraph |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (231 ratings)](https://appshunter.io/ios/app/fra/id568827824/reviews)** | — |
| Number of ratings | **231** | — |
| Positive reviews | 80.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 73 MB | 5 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Iter9, LLC](https://appshunter.io/developer/529646291) | [辉章 何](https://appshunter.io/developer/1687027088) |

## What reviewers say

### Fraⅹ

[App page](https://appshunter.io/ios/app/fra/id568827824)

Explore and design intricate fractal art powered by the equations of nature. Zoom into vast digital landscapes, apply complex color gradients and lighting, and share your creations as images or videos. Unleash your inner artist with endless creative possibilities.

**Highlights:** Explore fractal geometry, Zoom and multi-touch gestures, Tilt-to-steer navigation, Complex color gradients, Dual light sources for reflections, Share creations via social media, Record video animations

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack of 20 Cloud Credits | $0.99 | one-time |
| Pack of 80 Cloud Credits | $2.99 | one-time |
| Frax Pro Upgrade | $4.99 | one-time |
| Pack of 240 Cloud Credits | $5.99 | one-time |
| Pack of 1000 Cloud Credits | $9.99 | one-time |

**What reviewers like**

- 🚀 Fast and responsive
- 👍 Intuitive and easy to use
- 💎 Stunning visual effects
- 🎨 Endless creative possibilities
- 🤩 Mesmerizing and captivating

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔋 High battery consumption
- 💰 Expensive pro upgrade and cloud rendering
- 📱 UI not optimized for larger iPhone screens

**Reported bugs**

- In-app purchase upgrades not working for some users
- Video recording feature causing app crashes
- Rendering issues on older iPhone models

**Requested features**

- Add more fractal types like Burning Ship and Mandelbar
- Implement high-quality video recording and GIF export
- Allow custom audio integration and music visualization
- Improve infinite zoom capabilities


### KnowledgeGraph

[App page](https://appshunter.io/ios/app/knowledgegraph/id6503631594)

**In-app purchases:** none


## Frequently asked questions

### Is Fraⅹ free?

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

### Is KnowledgeGraph free?

KnowledgeGraph costs $2.99, with no in-app purchases.

### Do Fraⅹ or KnowledgeGraph have ads?

Neither Fraⅹ nor KnowledgeGraph shows ads.

### Which is updated more often, Fraⅹ or KnowledgeGraph?

Fraⅹ ships an update every 6 weeks, and KnowledgeGraph every 5 months. Most recently, Fraⅹ was updated on October 1, 2026 and KnowledgeGraph on September 27, 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.*