# Modern Montessori.Intl vs Learning OOP

The clearest difference is in-app purchases: Modern Montessori.Intl at none against Learning OOP's 4. Modern Montessori.Intl also leads on iOS requirement (12.0 vs 15.0). Learning OOP's advantage is update cadence (every 9 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Learning OOP sells 4 one-off in-app purchases. Modern Montessori.Intl asks for nothing beyond the download.

Modern Montessori.Intl ships an update every 3 months, Learning OOP every 9 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Modern Montessori.Intl | Learning OOP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 104 MB | 122 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | +4 |
| Developer | [Taidii Pte Ltd](https://appshunter.io/developer/921378893) | [Airton Siqueira de Freitas](https://appshunter.io/developer/1809776051) |

## What reviewers say

### Modern Montessori.Intl

[App page](https://appshunter.io/ios/app/modern-montessoriintl/id1551089339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learning OOP

[App page](https://appshunter.io/ios/app/learning-oop/id6776850297)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CERTIFICATE OF COMPLETION | $2.99 | one-time |
| Full access with discount | $3.99 | one-time |
| Full access | $4.99 | one-time |
| FULL PASS ALL APP | $17.99 | one-time |


## Frequently asked questions

### Is Modern Montessori.Intl free?

Modern Montessori.Intl is free to download, with no in-app purchases.

### Is Learning OOP free?

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

### Do Modern Montessori.Intl or Learning OOP have ads?

Neither Modern Montessori.Intl nor Learning OOP shows ads.

### Which is updated more often, Modern Montessori.Intl or Learning OOP?

Modern Montessori.Intl ships an update every 3 months, and Learning OOP every 9 days. Most recently, Modern Montessori.Intl was updated on October 27, 2026 and Learning OOP on October 28, 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.*