# OOS2025 vs AI Practice Tests

The clearest difference is in-app purchases: OOS2025 at none against AI Practice Tests's 4. OOS2025 also leads on update cadence (daily vs every 5 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Practice Tests sells 4 in-app purchases, starting at $4.99 per 7 days. OOS2025 asks for nothing beyond the download.

OOS2025 ships an update daily, AI Practice Tests every 5 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OOS2025 | AI Practice Tests |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 25 MB | 83 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Copernicus.org](https://appshunter.io/developer/507132942) | [Khuslen Munbat](https://appshunter.io/developer/1855262512) |

## What reviewers say

### OOS2025

[App page](https://appshunter.io/ios/app/oos2025/id6745811938)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Practice Tests

[App page](https://appshunter.io/ios/app/ai-practice-tests-nerzia/id6755649572)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nerzia Premium | $4.99 | per 7 days |
| Nerzia Premium | $14.99 | per month |
| Nerzia Premium | $34.99 | per 3 months |
| Nerzia Premium | $129.99 | per year |


## Frequently asked questions

### Is OOS2025 free?

OOS2025 is free to download, with no in-app purchases.

### Is AI Practice Tests free?

AI Practice Tests is free to download, with in-app purchases available.

### Do OOS2025 or AI Practice Tests have ads?

Neither OOS2025 nor AI Practice Tests shows ads.

### Which is updated more often, OOS2025 or AI Practice Tests?

OOS2025 ships an update daily, and AI Practice Tests every 5 days. Most recently, OOS2025 was updated on October 30, 2026 and AI Practice Tests on October 25, 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.*