# NMEAconnect vs AnchorChainCalculator

The clearest difference is price: NMEAconnect at $3.99 against AnchorChainCalculator's $12.99. AnchorChainCalculator's advantage is update cadence (every 3 weeks vs every 5 months) and rating (5.0 vs 4.7). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

NMEAconnect costs $3.99 and AnchorChainCalculator $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 4.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 86% of NMEAconnect's written reviews are positive against 100% of AnchorChainCalculator's.

NMEAconnect ships an update every 5 months, AnchorChainCalculator every 3 weeks. The most recent releases landed on September 21, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | NMEAconnect | AnchorChainCalculator |
| --- | --- | --- |
| Price | **$3.99** | $12.99 |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/nmeaconnect/id770189983/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/anchorchaincalculator/id1533741243/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 3 MB | 12 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zapfware](https://appshunter.io/developer/348005795) | [Mathias Wagner](https://appshunter.io/developer/1533741245) |

## What reviewers say

### NMEAconnect

[App page](https://appshunter.io/ios/app/nmeaconnect/id770189983)

This utility app acts as a server or bridge for NMEA data, connecting to various sources like TCP/UDP, BLE, and GPS. It organizes data into modules and can forward messages to other devices, acting as a multiplexer or repeater.

**Highlights:** NMEA 0183, NMEA 2000, SignalK, MQTT support, TCP/UDP, BLE, internal/external GPS, Logfile connection, NMEA multiplexer, hub, and switch, Server/repeater for NMEA messages, Background updates and logging, Message filtering and rules

**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 NMEAconnect free?

NMEAconnect costs $3.99, with no in-app purchases.

### Is AnchorChainCalculator free?

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

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

AnchorChainCalculator is rated higher. NMEAconnect averages 4.7 out of 5 from 3 ratings, while AnchorChainCalculator averages 5.0 from 5 ratings.

### Do NMEAconnect or AnchorChainCalculator have ads?

Neither NMEAconnect nor AnchorChainCalculator shows ads.

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

NMEAconnect ships an update every 5 months, and AnchorChainCalculator every 3 weeks. Most recently, NMEAconnect was updated on September 21, 2026 and AnchorChainCalculator on September 6, 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.*