# 脑洞无边AI vs 易纸板

The clearest difference is in-app purchases: 易纸板 at none against 脑洞无边AI's 7. 易纸板 also leads on iOS requirement (13.0 vs 15.1). 脑洞无边AI's advantage is update cadence (monthly vs every 22 months). On price, ads and device support there is nothing between them.

Both are free to download. 脑洞无边AI sells 7 one-off in-app purchases. 易纸板 asks for nothing beyond the download.

脑洞无边AI ships an update monthly, 易纸板 every 22 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | 脑洞无边AI | 易纸板 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 22 months |
| Size | 23 MB | 14 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [无锡无边网络技术有限公司](https://appshunter.io/developer/1719083167) | [浙江东经科技股份有限公司](https://appshunter.io/developer/923146438) |

## What reviewers say

### 脑洞无边AI

[App page](https://appshunter.io/ios/app/ai/id6473520619)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 260能量 | $0.99 | one-time |
| 7日会员 | $0.99 | one-time |
| 1200能量 | $2.99 | one-time |
| 月度会员 | $5.99 | one-time |
| 4600能量 | $6.99 | one-time |
| 10000能量 | $14.99 | one-time |
| 24000能量 | $29.99 | one-time |


### 易纸板

[App page](https://appshunter.io/ios/app/id6738974585)

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

**In-app purchases:** none


## Frequently asked questions

### Is 脑洞无边AI free?

脑洞无边AI is free to download, with in-app purchases available.

### Is 易纸板 free?

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

### Do 脑洞无边AI or 易纸板 have ads?

Neither 脑洞无边AI nor 易纸板 shows ads.

### Which is updated more often, 脑洞无边AI or 易纸板?

脑洞无边AI ships an update monthly, and 易纸板 every 22 months. Most recently, 脑洞无边AI was updated on October 4, 2026 and 易纸板 on October 4, 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.*