# Kindesunterhalt vs E

The clearest difference is in-app purchases: Kindesunterhalt at none against E's 4. Kindesunterhalt also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (13.0 vs 15.0). E's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. E sells 4 in-app purchases, starting at $50.00 per year. Kindesunterhalt asks for nothing beyond the download.

Kindesunterhalt ships an update every 6 weeks, E every 4 months. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Kindesunterhalt | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Size | 28 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phillip Steffensen](https://appshunter.io/developer/1548905262) | [Open7](https://appshunter.io/developer/1799037451) |

## What reviewers say

### Kindesunterhalt

[App page](https://appshunter.io/ios/app/kindesunterhalt/id6444522675)

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-invoice-viewer/id6742571585)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard iOS (annual) | $50.00 | per year |
| Premium (annual) | $90.00 | per year |
| E-Invoice Viewer Standard - 1 year | $50.00 | one-time |
| E-Invoice Viewer Premium - 1 year | $90.00 | one-time |


## Frequently asked questions

### Is Kindesunterhalt free?

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

### Is E free?

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

### Do Kindesunterhalt or E have ads?

Kindesunterhalt shows ads; E does not.

### Which is updated more often, Kindesunterhalt or E?

Kindesunterhalt ships an update every 6 weeks, and E every 4 months. Most recently, Kindesunterhalt was updated on October 18, 2026 and E on October 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.*