# AnchorChainCalculator vs easy2

The clearest difference is price: easy2 at Free against AnchorChainCalculator's $12.99. AnchorChainCalculator's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

easy2 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, easy2 every 3 months. The most recent releases landed on September 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | AnchorChainCalculator | easy2 |
| --- | --- | --- |
| 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 3 months |
| Monetization | Paid | — |
| Size | 12 MB | 24 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mathias Wagner](https://appshunter.io/developer/1533741245) | [Weatherdock AG](https://appshunter.io/developer/554111402) |

## 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


### easy2

[App page](https://appshunter.io/ios/app/easy2-mob/id1661528565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AnchorChainCalculator free?

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

### Is easy2 free?

easy2 is free to download, with no in-app purchases.

### Do AnchorChainCalculator or easy2 have ads?

Neither AnchorChainCalculator nor easy2 shows ads.

### Which is updated more often, AnchorChainCalculator or easy2?

AnchorChainCalculator ships an update every 3 weeks, and easy2 every 3 months. Most recently, AnchorChainCalculator was updated on September 6, 2026 and easy2 on September 9, 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.*