# The Oratory Prep School vs ISPPD

The clearest difference is iOS requirement: ISPPD at 15.4 against The Oratory Prep School's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | The Oratory Prep School | ISPPD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 138 MB | 21 MB |
| Requires iOS | 17.0 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Weduc UK Ltd](https://appshunter.io/developer/1635738266) | [International Symposium on Pneumococci and Pneumococcal Diseases Association](https://appshunter.io/developer/1622856380) |

## What reviewers say

### The Oratory Prep School

[App page](https://appshunter.io/ios/app/the-oratory-prep-school/id6751101014)

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

**In-app purchases:** none


### ISPPD

[App page](https://appshunter.io/ios/app/isppd-14/id6761549747)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Oratory Prep School free?

The Oratory Prep School is free to download, with no in-app purchases.

### Is ISPPD free?

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

### Do The Oratory Prep School or ISPPD have ads?

Neither The Oratory Prep School nor ISPPD shows ads.

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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.*