# Math Learning for Children vs MoI Lexicon

The clearest difference is in-app purchases: MoI Lexicon at none against Math Learning for Children's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Math Learning for Children sells 1 one-off in-app purchase. MoI Lexicon asks for nothing beyond the download.

Math Learning for Children ships an update monthly, MoI Lexicon every 3 weeks. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Math Learning for Children | MoI Lexicon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 124 MB | 28 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Anpaco](https://appshunter.io/developer/1766154505) | [Sarith Nob](https://appshunter.io/developer/1797802651) |

## What reviewers say

### Math Learning for Children

[App page](https://appshunter.io/ios/app/math-learning-for-children/id6737409371)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathCreatures full version | $5.99 | one-time |


### MoI Lexicon

[App page](https://appshunter.io/ios/app/moi-lexicon/id6761000155)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Learning for Children free?

Math Learning for Children is free to download, with in-app purchases available.

### Is MoI Lexicon free?

MoI Lexicon is free to download, with no in-app purchases.

### Do Math Learning for Children or MoI Lexicon have ads?

Neither Math Learning for Children nor MoI Lexicon shows ads.

### Which is updated more often, Math Learning for Children or MoI Lexicon?

Math Learning for Children ships an update monthly, and MoI Lexicon every 3 weeks. Most recently, Math Learning for Children was updated on September 8, 2026 and MoI Lexicon on September 14, 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.*