# Race Sailing Tack Optimizer vs Lights Out Sailing

The clearest difference is price: Lights Out Sailing at Free against Race Sailing Tack Optimizer's $0.99. Lights Out Sailing also leads on review sentiment (50% vs 25%). Race Sailing Tack Optimizer's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On update cadence and ads there is nothing between them.

Lights Out Sailing is free to download; Race Sailing Tack Optimizer costs $0.99 up front. Lights Out Sailing sells 2 in-app purchases, starting at $13.49 per month. Race Sailing Tack Optimizer asks for nothing beyond the download.

Race Sailing Tack Optimizer ships an update every 2 months, Lights Out Sailing every 5 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Race Sailing Tack Optimizer | Lights Out Sailing |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/lights-out-sailing/id6450532592/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Paid** | Subscription |
| Size | 11 MB | 50 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Flemming Jensen](https://appshunter.io/developer/958773804) | [WhitServe LLC](https://appshunter.io/developer/1693756173) |

## 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


### Lights Out Sailing

[App page](https://appshunter.io/ios/app/lights-out-sailing/id6450532592)

Enhance your sailing experience with real-time data and race tools. Capture onboard footage, track speed and heading, and perfect your race starts with precise metrics. Customize your interface and sync with other devices for a connected sailing adventure.

**Highlights:** Onboard footage capture, Real-time speedometer and compass, Distance to line metrics, Customizable race layouts, Fleet synchronization, Onboard camera sharing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lights Out Sailing | $13.49 | per month |
| Lights Out Sailing | $98.99 | per year |


## Frequently asked questions

### Is Race Sailing Tack Optimizer free?

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

### Is Lights Out Sailing free?

Lights Out Sailing is free to download, with in-app purchases available.

### Do Race Sailing Tack Optimizer or Lights Out Sailing have ads?

Neither Race Sailing Tack Optimizer nor Lights Out Sailing shows ads.

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

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