# AI Write Buddy vs 妙笔文库

The clearest difference is update cadence: 妙笔文库 at every 10 days against AI Write Buddy's every 5 weeks. AI Write Buddy's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases 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 and 妙笔文库 sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Write Buddy ships an update every 5 weeks, 妙笔文库 every 10 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AI Write Buddy | 妙笔文库 |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 8 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [福海 王](https://appshunter.io/developer/607474203) | [艇 徐](https://appshunter.io/developer/1720872299) |

## What reviewers say

### 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 |


### 妙笔文库

[App page](https://appshunter.io/ios/app/id6476955225)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 秒笔文库周会员 | $2.99 | per 7 days |
| 妙笔文库月会员 | $3.99 | per month |
| 秒笔文库年会员 | $24.99 | per year |


## Frequently asked questions

### Is AI Write Buddy free?

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

### Is 妙笔文库 free?

妙笔文库 is free to download, with in-app purchases available.

### Do AI Write Buddy or 妙笔文库 have ads?

Neither AI Write Buddy nor 妙笔文库 shows ads.

### Which is updated more often, AI Write Buddy or 妙笔文库?

AI Write Buddy ships an update every 5 weeks, and 妙笔文库 every 10 days. Most recently, AI Write Buddy was updated on October 30, 2026 and 妙笔文库 on October 25, 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.*