# De Zero a Trainee vs O Trainee

The clearest difference is in-app purchases: De Zero a Trainee at none against O Trainee's 2. O Trainee's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. O Trainee sells 2 in-app purchases, starting at $0.99 per month. De Zero a Trainee asks for nothing beyond the download.

De Zero a Trainee ships an update every 6 months, O Trainee every 3 weeks. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | De Zero a Trainee | O Trainee |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 51 MB | 32 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EXECUTE PREPARACAO LTDA](https://appshunter.io/developer/1846416230) | [O Trainee](https://appshunter.io/developer/1852363474) |

## What reviewers say

### De Zero a Trainee

[App page](https://appshunter.io/ios/app/de-zero-a-trainee/id6754045729)

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

**In-app purchases:** none


### O Trainee

[App page](https://appshunter.io/ios/app/o-trainee/id6755163887)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| O Trainee Premium (Monthly) | $0.99 | per month |
| Inglês | $4.99 | per year |


## Frequently asked questions

### Is De Zero a Trainee free?

De Zero a Trainee is free to download, with no in-app purchases.

### Is O Trainee free?

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

### Do De Zero a Trainee or O Trainee have ads?

De Zero a Trainee shows ads; O Trainee does not.

### Which is updated more often, De Zero a Trainee or O Trainee?

De Zero a Trainee ships an update every 6 months, and O Trainee every 3 weeks. Most recently, De Zero a Trainee was updated on October 8, 2026 and O Trainee on October 6, 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.*