# Knock AI vs ToonShort

The clearest difference is in-app purchases: Knock AI at none against ToonShort's 3. ToonShort's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ToonShort sells 3 one-off in-app purchases. Knock AI asks for nothing beyond the download.

Knock AI ships an update fortnightly, ToonShort every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Knock AI | ToonShort |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 47 MB | 64 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海启扉绘梦智能科技有限公司](https://appshunter.io/developer/1751439886) | [深圳亚思网络科技有限公司](https://appshunter.io/developer/1816178029) |

## What reviewers say

### 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


### ToonShort

[App page](https://appshunter.io/ios/app/toonshort/id6746329101)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week_member_subscription | $1.99 | one-time |
| Month_membership_subscription | $4.99 | one-time |
| Year_membership_subscription | $29.99 | one-time |


## Frequently asked questions

### Is Knock AI free?

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

### Is ToonShort free?

ToonShort is free to download, with in-app purchases available.

### Do Knock AI or ToonShort have ads?

Neither Knock AI nor ToonShort shows ads.

### Which is updated more often, Knock AI or ToonShort?

Knock AI ships an update fortnightly, and ToonShort every 3 weeks. Most recently, Knock AI was updated on October 24, 2026 and ToonShort on October 30, 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.*