# Knock AI vs Buddy AI Assistant

The clearest difference is price: Knock AI at Free against Buddy AI Assistant's $0.99. Buddy AI Assistant's advantage is update cadence (every 5 days vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Knock AI is free to download; Buddy AI Assistant costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Knock AI ships an update fortnightly, Buddy AI Assistant every 5 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Knock AI | Buddy AI Assistant |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | **Every 5 days** |
| Monetization | Free | — |
| Size | 47 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, 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) | [Arisa Nakanam](https://appshunter.io/developer/1806728292) |

## 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


### Buddy AI Assistant

[App page](https://appshunter.io/ios/app/buddy-ai-assistant/id6744259780)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knock AI free?

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

### Is Buddy AI Assistant free?

Buddy AI Assistant costs $0.99, with no in-app purchases.

### Do Knock AI or Buddy AI Assistant have ads?

Neither Knock AI nor Buddy AI Assistant shows ads.

### Which is updated more often, Knock AI or Buddy AI Assistant?

Knock AI ships an update fortnightly, and Buddy AI Assistant every 5 days. Most recently, Knock AI was updated on October 24, 2026 and Buddy AI Assistant 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.*