# 知拾收藏 vs 写作机器人

The clearest difference is ads: 写作机器人 at none against 知拾收藏's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 知拾收藏 sells 1 in-app purchase, starting at $17.49 per year and 写作机器人 sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

知拾收藏 ships an update every 2 weeks, 写作机器人 fortnightly. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 知拾收藏 | 写作机器人 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6471782542/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 76 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [俊杰 黄](https://appshunter.io/developer/1132845873) | [国文 许](https://appshunter.io/developer/1689556397) |

## What reviewers say

### 知拾收藏

[App page](https://appshunter.io/ios/app/id1522454327)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 知拾收藏小绿叶高级版 | $17.49 | per year |


### 写作机器人

[App page](https://appshunter.io/ios/app/ai/id6471782542)

This AI-powered app assists with various writing tasks, from creative fiction and poetry to professional documents and marketing copy. It also offers AI-driven question answering and image generation capabilities, with daily updated content.

**Highlights:** AI content creation (copy, essays, novels, poems, reports), AI-powered Q&A for problem-solving, AI image generation, Discover trending content and articles, Automatic subscription renewal, Cancel subscriptions via device settings

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| 月会员 | $6.99 | per month |
| 年会员 | $39.99 | per year |


## Frequently asked questions

### Is 知拾收藏 free?

知拾收藏 is free to download, with in-app purchases available.

### Is 写作机器人 free?

写作机器人 is free to download, with in-app purchases available.

### Do 知拾收藏 or 写作机器人 have ads?

知拾收藏 shows ads; 写作机器人 does not.

### Which is updated more often, 知拾收藏 or 写作机器人?

知拾收藏 ships an update every 2 weeks, and 写作机器人 fortnightly. Most recently, 知拾收藏 was updated on October 25, 2026 and 写作机器人 on October 16, 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.*