# AnchorChainCalculator vs Aqua

The clearest difference is price: Aqua at Free against AnchorChainCalculator's $12.99. AnchorChainCalculator's advantage is device support and iOS requirement (10.0 vs 14.7). On in-app purchases there is nothing between them.

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

## The numbers

| Metric | AnchorChainCalculator | Aqua |
| --- | --- | --- |
| 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 | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Paid | — |
| Size | 12 MB | 3 MB |
| Requires iOS | **10.0** | 14.7 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Mathias Wagner](https://appshunter.io/developer/1533741245) | [DK Innovation](https://appshunter.io/developer/537904875) |

## 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


### Aqua

[App page](https://appshunter.io/ios/app/aqua-base/id1541343393)

**In-app purchases:** none


## Frequently asked questions

### Is AnchorChainCalculator free?

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

### Is Aqua free?

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

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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.*