# The OASIS School vs prepCIE

The clearest difference is update cadence: The OASIS School at every 2 months against prepCIE's every 5 months. 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 OASIS School ships an update every 2 months, prepCIE every 5 months. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | The OASIS School | prepCIE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 37 MB | 35 MB |
| Requires iOS | 14.0 | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rajesh Kumar](https://appshunter.io/developer/1358244114) | [Bilal Rafi](https://appshunter.io/developer/1709916625) |

## What reviewers say

### The OASIS School

[App page](https://appshunter.io/ios/app/the-oasis-school/id1458206166)

**Features:** macOS Compatibility

**In-app purchases:** none


### prepCIE

[App page](https://appshunter.io/ios/app/prepcie/id6468444094)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The OASIS School free?

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

### Is prepCIE free?

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

### Do The OASIS School or prepCIE have ads?

Neither The OASIS School nor prepCIE shows ads.

### Which is updated more often, The OASIS School or prepCIE?

The OASIS School ships an update every 2 months, and prepCIE every 5 months. Most recently, The OASIS School was updated on October 7, 2026 and prepCIE on October 12, 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.*