# IES vs preparedEPA

The clearest difference is iOS requirement: IES at 12.0 against preparedEPA's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

IES ships an update every 2 months, preparedEPA monthly. Both last shipped on September 10, 2026.

## The numbers

| Metric | IES | preparedEPA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 521 MB | 56 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NTT DATA Business Solutions AG (Schweiz)](https://appshunter.io/developer/1465568823) | [precisionED AG](https://appshunter.io/developer/1629243150) |

## What reviewers say

### IES

[App page](https://appshunter.io/ios/app/ies/id1465568824)

**Features:** macOS Compatibility

**In-app purchases:** none


### preparedEPA

[App page](https://appshunter.io/ios/app/preparedepa/id1533667853)

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

**In-app purchases:** none


## Frequently asked questions

### Is IES free?

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

### Is preparedEPA free?

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

### Do IES or preparedEPA have ads?

Neither IES nor preparedEPA shows ads.

### Which is updated more often, IES or preparedEPA?

IES ships an update every 2 months, and preparedEPA monthly. Most recently, IES was updated on September 10, 2026 and preparedEPA on September 10, 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.*