# SUNBEAMsystem vs AnchorChainCalculator

The clearest difference is price: SUNBEAMsystem at Free against AnchorChainCalculator's $12.99. AnchorChainCalculator's advantage is rating (5.0 vs 3.0) and update cadence (every 3 weeks vs every 2 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

AnchorChainCalculator holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

SUNBEAMsystem ships an update every 2 months, AnchorChainCalculator every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SUNBEAMsystem | AnchorChainCalculator |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sunbeamsystem/id1416586912/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/anchorchaincalculator/id1533741243/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 11 MB | 12 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUNBEAMsystem AB](https://appshunter.io/developer/1416586911) | [Mathias Wagner](https://appshunter.io/developer/1533741245) |

## What reviewers say

### SUNBEAMsystem

[App page](https://appshunter.io/ios/app/sunbeamsystem/id1416586912)

Monitor your lithium battery's charge status, voltage, current, and temperature. Retrieve cycle count and capacity information for a comprehensive overview. The app automatically reconnects via Bluetooth.

**Highlights:** Real-time charge status, Voltage and current monitoring, Battery temperature display, Cycle count retrieval, Capacity loss information, Automatic Bluetooth reconnection

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SUNBEAMsystem free?

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

### Is AnchorChainCalculator free?

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

### Which has better reviews, SUNBEAMsystem or AnchorChainCalculator?

AnchorChainCalculator is rated higher. SUNBEAMsystem averages 3.0 out of 5 from 2 ratings, while AnchorChainCalculator averages 5.0 from 5 ratings.

### Do SUNBEAMsystem or AnchorChainCalculator have ads?

Neither SUNBEAMsystem nor AnchorChainCalculator shows ads.

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

SUNBEAMsystem ships an update every 2 months, and AnchorChainCalculator every 3 weeks. Most recently, SUNBEAMsystem was updated on October 19, 2026 and AnchorChainCalculator 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.*