# One vs Willkommen

The clearest difference is in-app purchases: One at none against Willkommen's 3. One also leads on update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Willkommen sells 3 in-app purchases, starting at $4.99 per month. One asks for nothing beyond the download.

One ships an update every 2 days, Willkommen weekly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | One | Willkommen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 5 MB | 311 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ashley Barnard](https://appshunter.io/developer/1772374324) | [Kanchalika Kongyong](https://appshunter.io/developer/1883480594) |

## What reviewers say

### One

[App page](https://appshunter.io/ios/app/one-sec/id6738633150)

**Features:** macOS Compatibility

**In-app purchases:** none


### Willkommen

[App page](https://appshunter.io/ios/app/willkommen-learn-german-a1-b2/id6761691333)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Willkommen Premium monthly | $4.99 | per month |
| Willkommen Premium Annual | $49.99 | per year |
| Willkommen Premium - Lifetime | $199.00 | one-time |


## Frequently asked questions

### Is One free?

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

### Is Willkommen free?

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

### Do One or Willkommen have ads?

Neither One nor Willkommen shows ads.

### Which is updated more often, One or Willkommen?

One ships an update every 2 days, and Willkommen weekly. Most recently, One was updated on October 18, 2026 and Willkommen on October 24, 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.*