# 九富通 vs AI Write Buddy

The clearest difference is in-app purchases: 九富通 at none against AI Write Buddy's 4. 九富通 also leads on update cadence (every 3 weeks vs every 5 weeks). AI Write Buddy's advantage is iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. AI Write Buddy sells 4 in-app purchases, starting at $0.99 per 7 days. 九富通 asks for nothing beyond the download.

九富通 ships an update every 3 weeks, AI Write Buddy every 5 weeks. The most recent releases landed on May 14, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | 九富通 | AI Write Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai-write-buddy/id6446043099/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 29 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [九富投资](https://appshunter.io/developer/1516956356) | [福海 王](https://appshunter.io/developer/607474203) |

## What reviewers say

### 九富通

[App page](https://appshunter.io/ios/app/id1516956357)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Write Buddy

[App page](https://appshunter.io/ios/app/ai-write-buddy/id6446043099)

This AI-powered writing assistant helps users generate professional content, overcome writer's block, and enhance their writing skills. It offers personalized assistance for various writing needs, from marketing copy to creative content.

**Highlights:** AI-powered writing assistance, Generate marketing copy and content ideas, Overcome writer's block, Personalized content creation, Enhance writing skills, Instant content generation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week VIP | $0.99 | per 7 days |
| 1 month VIP | $2.99 | per month |
| 3 months VIP | $6.99 | per 3 months |
| 12 months VIP | $19.99 | per year |


## Frequently asked questions

### Is 九富通 free?

九富通 is free to download, with no in-app purchases.

### Is AI Write Buddy free?

AI Write Buddy is free to download, with in-app purchases available.

### Do 九富通 or AI Write Buddy have ads?

Neither 九富通 nor AI Write Buddy shows ads.

### Which is updated more often, 九富通 or AI Write Buddy?

九富通 ships an update every 3 weeks, and AI Write Buddy every 5 weeks. Most recently, 九富通 was updated on May 14, 2026 and AI Write Buddy on September 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.*