# onNAV SailLink — Wind Meter, NMEA Signal K

> Wind Meter, NMEA Signal K (iPhone/iPad app by onNAV LLC.)

- Source: https://appshunter.io/ios/app/onnav-saillink/id6759585299 (this page in markdown: same URL + `.md`)
- Developer: [onNAV LLC](https://appshunter.io/developer/1557830179)
- Category: Navigation, Weather
- Price: Free with in-app purchases (on sale, was $19.99)
- Age rating: 4+
- Requires: iOS 18.0 · 33 MB
- Languages: American English
- Released: 2026-04-21
- Data updated: 2026-08-16
- User reviews in markdown: https://appshunter.io/ios/app/onnav-saillink/id6759585299/reviews.md

## What is onNAV SailLink?

onNAV Sail Link is a sailing instrument companion app built for fast decisions on the water.

Get live wind, heading, speed, trim, and tactical data in clean, high-contrast layouts designed for readability in real conditions. Switch between full tactical view and customizable quick panels, then long-press tiles to choose the sensor source that fits your setup.

Key features:

Real-time sailing instruments for wind, heading, speed, heel, trim, and performance
Tactical dashboard with compass, wind angles, and navigation data
Customizable Quick Panels with multiple screen layouts
Per-tile source selection (Auto, Calypso Wireless Ultrasonic Wind Sensor, NMEA, Signal K, GPS, and more)
Per-tile black/white inversion for maximum visibility
Support for external sensor workflows, including NMEA and Signal K sources
Session and performance-oriented display options for race or training use
Designed for iPhone and iPad, onNAV Sail Link helps you keep essential data visible, organized, and actionable when it matters most.

https://onnav.com/pages/eula

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| onNAV Link Pro | $29.99 | per year |



## Version history (last 2 releases)

### 1.1.1 — 2026-07-01

Updated packages for latest iOS and performance update

### 1.1 — 2026-04-21

No release notes.

## Apps similar to onNAV SailLink

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SEAiq](https://appshunter.io/ios/app/seaiq/id529514298) | 4.7 (190) | Free | Navigation |
| [Navig8 Sailing](https://appshunter.io/ios/app/navig8-sailing/id6761892923) | — | Free | Navigation |
| [Sea Alert](https://appshunter.io/ios/app/sea-alert/id6755186606) | — | Free | Navigation |
| [Sailing Master M](https://appshunter.io/ios/app/sailing-master-m/id1566599912) | 5.0 (1) | Free | Navigation |
| [SailorGuard](https://appshunter.io/ios/app/sailorguard/id6768244109) | — | Free | Navigation |
| [qtVlm](https://appshunter.io/ios/app/qtvlm/id999110023) | 3.3 (7) | Free | Navigation |

## More apps by onNAV LLC

- [onNAV Marine](https://appshunter.io/ios/app/onnav-marine/id1557830177)

All apps by onNAV LLC: https://appshunter.io/developer/1557830179

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-16.*