# 写作助手与文案神器：CatAI vs 龙维ERP

The clearest difference is in-app purchases: 龙维ERP at none against 写作助手与文案神器：CatAI's 9. 龙维ERP also leads on iOS requirement (12.0 vs 15.0). 写作助手与文案神器：CatAI's advantage is update cadence (every 10 days vs every 4 weeks) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. 写作助手与文案神器：CatAI sells 9 in-app purchases, starting at $2.99 per 7 days. 龙维ERP asks for nothing beyond the download.

写作助手与文案神器：CatAI ships an update every 10 days, 龙维ERP every 4 weeks. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 写作助手与文案神器：CatAI | 龙维ERP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (23 ratings)](https://appshunter.io/ios/app/catai/id6444237969/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 39 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Xin Chen](https://appshunter.io/developer/425936137) | [芯链互联(深圳)科技有限公司](https://appshunter.io/developer/1814297005) |

## What reviewers say

### 写作助手与文案神器：CatAI

[App page](https://appshunter.io/ios/app/catai/id6444237969)

This app acts as a versatile AI assistant for daily tasks, offering intelligent writing, question answering, and text recognition. It supports multiple languages and platforms, providing expert advice across various domains to enhance productivity and learning.

**Highlights:** Intelligent writing and content creation, Question answering and explanation, Voice-to-text and image-to-text recognition, Multi-language support, Expert advice across various domains, Task and time management assistance

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Monthly Premium | $4.99 | per month |
| Quarterly Premium | $14.99 | per 3 months |
| Yearly Premium | $19.99 | per year |
| 30积分 | $0.39 | one-time |
| 80积分 | $0.79 | one-time |
| 500积分 | $4.99 | one-time |
| 1000积分 | $7.99 | one-time |
| Lifetime Premium | $39.99 | one-time |


### 龙维ERP

[App page](https://appshunter.io/ios/app/erp/id6745868597)

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

**In-app purchases:** none


## Frequently asked questions

### Is 写作助手与文案神器：CatAI free?

写作助手与文案神器：CatAI is free to download, with in-app purchases available.

### Is 龙维ERP free?

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

### Do 写作助手与文案神器：CatAI or 龙维ERP have ads?

Neither 写作助手与文案神器：CatAI nor 龙维ERP shows ads.

### Which is updated more often, 写作助手与文案神器：CatAI or 龙维ERP?

写作助手与文案神器：CatAI ships an update every 10 days, and 龙维ERP every 4 weeks. Most recently, 写作助手与文案神器：CatAI was updated on October 17, 2026 and 龙维ERP on October 1, 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.*