# AnchorChainCalculator vs Edlauer

The clearest difference is price: Edlauer at Free against AnchorChainCalculator's $12.99. AnchorChainCalculator's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (10.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Edlauer is free to download; AnchorChainCalculator costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AnchorChainCalculator ships an update every 3 weeks, Edlauer every 2 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AnchorChainCalculator | Edlauer |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/anchorchaincalculator/id1533741243/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 12 MB | 45 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mathias Wagner](https://appshunter.io/developer/1533741245) | [Idwell GmbH](https://appshunter.io/developer/1269662593) |

## What reviewers say

### AnchorChainCalculator

[App page](https://appshunter.io/ios/app/anchorchaincalculator/id1533741243)

Calculate the optimal amount of anchor chain or rope for secure anchoring based on vessel characteristics and sea conditions. Provides detailed load calculations and accounts for dynamic effects like swell and gusts. Supports both metric and imperial units, with options for chain-only or mixed rope/chain setups.

**Highlights:** Physics-based anchoring calculations, Customizable vessel and sea conditions, Chain-only or mixed rope/chain support, Load and swell absorption analysis, Metric and imperial unit support, Multiple vessel configuration storage, Basic and Expert modes

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

**In-app purchases:** none


### Edlauer

[App page](https://appshunter.io/ios/app/edlauer/id6448100755)

**In-app purchases:** none


## Frequently asked questions

### Is AnchorChainCalculator free?

AnchorChainCalculator costs $12.99, with no in-app purchases.

### Is Edlauer free?

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

### Do AnchorChainCalculator or Edlauer have ads?

Neither AnchorChainCalculator nor Edlauer shows ads.

### Which is updated more often, AnchorChainCalculator or Edlauer?

AnchorChainCalculator ships an update every 3 weeks, and Edlauer every 2 months. Most recently, AnchorChainCalculator was updated on November 3, 2026 and Edlauer on October 27, 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.*