# Neural Flow 3D Mind Map vs 衡熵

The clearest difference is iOS requirement: Neural Flow 3D Mind Map at 15.0 against 衡熵's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neural Flow 3D Mind Map sells 4 in-app purchases, starting at $0.99 per month and 衡熵 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Neural Flow 3D Mind Map | 衡熵 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 317 MB | 15 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [在京 王](https://appshunter.io/developer/994161639) | [玉庭 何](https://appshunter.io/developer/1867438392) |

## What reviewers say

### Neural Flow 3D Mind Map

[App page](https://appshunter.io/ios/app/neural-flow-3d-mind-map/id6746190220)

Organize your thoughts and present ideas with a powerful AI-driven 3D mind mapping tool. Offers dynamic visualizations and creative tools for work, study, and personal projects.

**Highlights:** AI Auto-Generated Mind Maps, 16 Stunning 3D Styles, Interactive 3D Display, iCloud Sync, Create and Edit Mind Maps, Adjust Node Layout

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $9.99 | per year |
| Annual Subscription | $9.99 | per year |
| Lifetime Version | $19.99 | one-time |


### 衡熵

[App page](https://appshunter.io/ios/app/id6761233174)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 自律锁月度订阅 | $0.99 | per month |
| 自律锁年度订阅 | $3.99 | per year |
| 自律锁终身解锁 | $12.99 | one-time |


## Frequently asked questions

### Is Neural Flow 3D Mind Map free?

Neural Flow 3D Mind Map is free to download, with in-app purchases available.

### Is 衡熵 free?

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

### Do Neural Flow 3D Mind Map or 衡熵 have ads?

Neither Neural Flow 3D Mind Map nor 衡熵 shows ads.

### Which is updated more often, Neural Flow 3D Mind Map or 衡熵?

Neural Flow 3D Mind Map ships an update weekly, and 衡熵 weekly. Most recently, Neural Flow 3D Mind Map was updated on October 6, 2026 and 衡熵 on October 24, 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.*