# e vs Kaiserpfalz App

The clearest difference is in-app purchases: Kaiserpfalz App at none against e's 1. e's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. e sells 1 in-app purchase, starting at $24.99 per month. Kaiserpfalz App asks for nothing beyond the download.

e ships an update every 5 days, Kaiserpfalz App every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | e | Kaiserpfalz App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 62 MB | 50 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guenter Lukas](https://appshunter.io/developer/1538239495) | [Landesstelle für die nichtstaatlichen Museen in Bayern](https://appshunter.io/developer/1460232282) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-ralph/id1538239493)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription Ralph | $24.99 | per month |


### Kaiserpfalz App

[App page](https://appshunter.io/ios/app/kaiserpfalz-app/id1565143014)

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Kaiserpfalz App free?

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

### Do e or Kaiserpfalz App have ads?

Neither e nor Kaiserpfalz App shows ads.

### Which is updated more often, e or Kaiserpfalz App?

e ships an update every 5 days, and Kaiserpfalz App every 2 months. Most recently, e was updated on November 7, 2026 and Kaiserpfalz App on November 7, 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.*