# Mi Story Builder vs KGenius AI

The clearest difference is update cadence: KGenius AI at every 3 days against Mi Story Builder's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mi Story Builder sells 2 one-off in-app purchases and KGenius AI sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Mi Story Builder ships an update every 3 weeks, KGenius AI every 3 days. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Mi Story Builder | KGenius AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21 ratings)](https://appshunter.io/ios/app/mi-story-builder/id6448709262/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 61 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [APPSTAR PTY LTD](https://appshunter.io/developer/1508216229) | [Carlos Santos](https://appshunter.io/developer/1138994691) |

## What reviewers say

### Mi Story Builder

[App page](https://appshunter.io/ios/app/mi-story-builder/id6448709262)

This AI-powered app helps children create personalized stories based on their ideas. It generates captivating narratives with custom characters and vibrant illustrations, fostering creativity in a safe, child-friendly environment. Build a library of unique adventures that can be enjoyed offline.

**Highlights:** AI-powered story creation, Customizable characters, Child-friendly interface, Save and build story library, Beautiful illustrations, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Credits Standard Pack | $1.99 | one-time |
| 30 Credits Value Pack | $2.99 | one-time |


### KGenius AI

[App page](https://appshunter.io/ios/app/kgenius-ai/id6748028693)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KGenius Premium | $3.99 | per month |
| KGenius Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Mi Story Builder free?

Mi Story Builder is free to download, with in-app purchases available.

### Is KGenius AI free?

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

### Do Mi Story Builder or KGenius AI have ads?

Both Mi Story Builder and KGenius AI show ads.

### Which is updated more often, Mi Story Builder or KGenius AI?

Mi Story Builder ships an update every 3 weeks, and KGenius AI every 3 days. Most recently, Mi Story Builder was updated on October 23, 2026 and KGenius AI on October 26, 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.*