# Race Sailing Tack Optimizer vs NMEAkit

The clearest difference is price: NMEAkit at Free against Race Sailing Tack Optimizer's $0.99. NMEAkit also leads on update cadence (every 5 days vs every 2 months) and review sentiment (50% vs 25%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NMEAkit is free to download; Race Sailing Tack Optimizer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Race Sailing Tack Optimizer ships an update every 2 months, NMEAkit every 5 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Race Sailing Tack Optimizer | NMEAkit |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/nmeakit/id1511391197/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Paid | **Free** |
| Size | 11 MB | 16 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flemming Jensen](https://appshunter.io/developer/958773804) | [Michael Liesenberg](https://appshunter.io/developer/1214386696) |

## What reviewers say

### Race Sailing Tack Optimizer

[App page](https://appshunter.io/ios/app/race-sailing-tack-optimizer/id958773805)

Optimize your sailing performance on up/down courses. This app uses GPS to calculate your course over ground and speed, factoring in conditions like current. It provides visual cues for your tack and helps you sail the best VMG to reach marks faster.

**Highlights:** GPS-based course and speed calculation, Optimizes VMG for upwind and downwind sailing, Visual tack indicator (color-coded), Considers current and wind conditions, Inspired by RaceMaster TacTic compass

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

**In-app purchases:** none


### NMEAkit

[App page](https://appshunter.io/ios/app/nmeakit/id1511391197)

This app calibrates wind, pitch, and roll data when used with a NMEAkit device. It offers a rotating mast option to compensate for mast orientation, making data available via NMEA2000 or NMEA0183 gateways.

**Highlights:** Calibrate wind, pitch, and roll, Rotating mast option, Compensate mast orientation, NMEA2000/0183 gateway compatibility, Works with NMEAkit device

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

**In-app purchases:** none


## Frequently asked questions

### Is Race Sailing Tack Optimizer free?

Race Sailing Tack Optimizer costs $0.99, with no in-app purchases.

### Is NMEAkit free?

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

### Do Race Sailing Tack Optimizer or NMEAkit have ads?

Neither Race Sailing Tack Optimizer nor NMEAkit shows ads.

### Which is updated more often, Race Sailing Tack Optimizer or NMEAkit?

Race Sailing Tack Optimizer ships an update every 2 months, and NMEAkit every 5 days. Most recently, Race Sailing Tack Optimizer was updated on October 5, 2026 and NMEAkit on October 2, 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.*