# Linden vs Sigmaringen

The clearest difference is update cadence: Sigmaringen at every 11 months against Linden's every 26 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Linden ships an update every 26 months, Sigmaringen every 11 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Linden | Sigmaringen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 11 months** |
| Size | 10 MB | 7 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Verbandsgemeinde Hachenburg](https://appshunter.io/developer/1625636202) | [apicodo GmbH](https://appshunter.io/developer/1169099711) |

## What reviewers say

### Linden

[App page](https://appshunter.io/ios/app/linden/id1626856162)

**Features:** Vision Pro support

**In-app purchases:** none


### Sigmaringen

[App page](https://appshunter.io/ios/app/sigmaringen/id6751099853)

**In-app purchases:** none


## Frequently asked questions

### Is Linden free?

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

### Is Sigmaringen free?

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

### Do Linden or Sigmaringen have ads?

Neither Linden nor Sigmaringen shows ads.

### Which is updated more often, Linden or Sigmaringen?

Linden ships an update every 26 months, and Sigmaringen every 11 months. Most recently, Linden was updated on October 24, 2026 and Sigmaringen on October 25, 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.*