# OposicionesPG vs Aristotelia

The clearest difference is in-app purchases: OposicionesPG at none against Aristotelia's 3. OposicionesPG also leads on iOS requirement (11.0 vs 15.0). Aristotelia's advantage is update cadence (every 6 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Aristotelia sells 3 in-app purchases, starting at $8.99 per month. OposicionesPG asks for nothing beyond the download.

OposicionesPG ships an update every 6 months, Aristotelia every 6 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OposicionesPG | Aristotelia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 days** |
| Size | 32 MB | 23 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [OPG Academy SOCIEDAD LIMITADA](https://appshunter.io/developer/1694300998) | [Aristotelia](https://appshunter.io/developer/6812745118) |

## What reviewers say

### OposicionesPG

[App page](https://appshunter.io/ios/app/oposicionespg/id6450673682)

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

**In-app purchases:** none


### Aristotelia

[App page](https://appshunter.io/ios/app/aristotelia/id6812745116)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aristotelia Premium | $8.99 | per month |
| 50 Créditos | $1.99 | one-time |
| 150 Créditos | $3.99 | one-time |


## Frequently asked questions

### Is OposicionesPG free?

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

### Is Aristotelia free?

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

### Do OposicionesPG or Aristotelia have ads?

Neither OposicionesPG nor Aristotelia shows ads.

### Which is updated more often, OposicionesPG or Aristotelia?

OposicionesPG ships an update every 6 months, and Aristotelia every 6 days. Most recently, OposicionesPG was updated on October 10, 2026 and Aristotelia on October 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.*