# Billappen vs ModigogSterk

The clearest difference is in-app purchases: ModigogSterk at none against Billappen's 4. Billappen's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Billappen sells 4 in-app purchases, starting at $5.99 per 7 days. ModigogSterk asks for nothing beyond the download.

Billappen ships an update every 3 days, ModigogSterk fortnightly. The most recent releases landed on October 13, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Billappen | ModigogSterk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 83 MB | 53 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Teklos AS](https://appshunter.io/developer/1817229109) | [Christian Tobias Duwe](https://appshunter.io/developer/1850469845) |

## What reviewers say

### Billappen

[App page](https://appshunter.io/ios/app/billappen/id6746510077)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ukesabonnement (partner) | $5.99 | per 7 days |
| Månedsabonnement (partner) | $17.99 | per month |
| Årsabonnement (partner) | $29.99 | per year |
| Årsabonnement | $119.99 | per year |


### ModigogSterk

[App page](https://appshunter.io/ios/app/modigogsterk/id6754845606)

**In-app purchases:** none


## Frequently asked questions

### Is Billappen free?

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

### Is ModigogSterk free?

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

### Do Billappen or ModigogSterk have ads?

Neither Billappen nor ModigogSterk shows ads.

### Which is updated more often, Billappen or ModigogSterk?

Billappen ships an update every 3 days, and ModigogSterk fortnightly. Most recently, Billappen was updated on October 13, 2026 and ModigogSterk on October 22, 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.*