# 小羊飞飞定格动画 vs Knock AI

小羊飞飞定格动画 and Knock AI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 小羊飞飞定格动画 | Knock AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/knock-ai/id6504226345/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Free |
| Size | 151 MB | 47 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [广州小羊飞飞科技有限公司](https://appshunter.io/developer/1708777768) | [上海启扉绘梦智能科技有限公司](https://appshunter.io/developer/1751439886) |

## What reviewers say

### 小羊飞飞定格动画

[App page](https://appshunter.io/ios/app/id6467534582)

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

**In-app purchases:** none


### Knock AI

[App page](https://appshunter.io/ios/app/knock-ai/id6504226345)

This AI-powered platform helps parents and children create personalized stories, picture books, and nursery rhymes. Users can choose themes and age tags to generate unique content, fostering creativity and documenting a child's growth journey.

**Highlights:** AI story and picture book generation, AI nursery rhyme creation, Customizable themes and age tags, Free library of stories and rhymes, Story collection for child's growth

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

**In-app purchases:** none


## Frequently asked questions

### Is 小羊飞飞定格动画 free?

小羊飞飞定格动画 is free to download, with no in-app purchases.

### Is Knock AI free?

Knock AI is free to download, with no in-app purchases.

### Do 小羊飞飞定格动画 or Knock AI have ads?

Neither 小羊飞飞定格动画 nor Knock AI shows ads.

### Which is updated more often, 小羊飞飞定格动画 or Knock AI?

小羊飞飞定格动画 ships an update fortnightly, and Knock AI fortnightly. Most recently, 小羊飞飞定格动画 was updated on November 7, 2026 and Knock AI on November 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.*