# Addition simulator vs MiStory

The clearest difference is in-app purchases: Addition simulator at none against MiStory's 7. Addition simulator also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (12.1 vs 15.0). MiStory's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. MiStory sells 7 in-app purchases, starting at $3.99 per month. Addition simulator asks for nothing beyond the download.

Addition simulator ships an update every 6 days, MiStory every 3 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Addition simulator | MiStory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mistory-read-play-learn/id6744126487/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 323 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anton Golovatuk](https://appshunter.io/developer/510289187) | [JetGames](https://appshunter.io/developer/1773770233) |

## What reviewers say

### Addition simulator

[App page](https://appshunter.io/ios/app/addition-simulator/id1590804374)

**Features:** macOS Compatibility

**In-app purchases:** none


### MiStory

[App page](https://appshunter.io/ios/app/mistory-read-play-learn/id6744126487)

This app allows children to become the hero of their own AI-narrated audiobooks by personalizing characters and story themes. It offers interactive books, calming music, educational games, and printable activities in a safe, ad-free environment designed for young learners.

**Highlights:** Personalized AI audiobooks with MiFox, Interactive storybooks, Audiobooks for all moods, Relaxing music and sounds, Fun learning games, Printable worksheets and activities

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mistory 1 Month | $3.99 | per month |
| Mistory 6 Month | $19.99 | per 6 months |
| Mistory 12 Month | $34.99 | per year |
| Mistory 1 Energy | $0.99 | one-time |
| Mistory 5 Energy | $3.99 | one-time |
| Mistory 10 Energy | $6.99 | one-time |
| Mistory 15 Energy | $8.99 | one-time |


## Frequently asked questions

### Is Addition simulator free?

Addition simulator is free to download, with no in-app purchases.

### Is MiStory free?

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

### Do Addition simulator or MiStory have ads?

Neither Addition simulator nor MiStory shows ads.

### Which is updated more often, Addition simulator or MiStory?

Addition simulator ships an update every 6 days, and MiStory every 3 weeks. Most recently, Addition simulator was updated on October 27, 2026 and MiStory 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.*