# SailTimer™ vs NavLink HD

The clearest difference is review sentiment: SailTimer™ at 37% against NavLink HD's 0%. SailTimer™ also leads on update cadence (every 2 months vs every 5 months). NavLink HD's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. SailTimer™ sells 12 in-app purchases, starting at $2.99 per month and NavLink HD sells 11 in-app purchases, starting at $8.49 per year. Whichever you choose, the download price is not the number that matters.

SailTimer™ ships an update every 2 months, NavLink HD every 5 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SailTimer™ | NavLink HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (11 ratings)](https://appshunter.io/ios/app/navlink-hd/id1183848518/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | **37.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 126 MB | 52 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SailTimer Inc.](https://appshunter.io/developer/326309854) | [DigitalYacht Ltd.](https://appshunter.io/developer/394667310) |

## What reviewers say

### SailTimer™

[App page](https://appshunter.io/ios/app/sailtimer/id326309851)

Visualize wind and wave conditions before you head out on the water with this marine weather app. It uses crowdsourced data for more accurate, real-time forecasts than traditional satellite imagery. Track your GPS, create waypoints, and access offline charts for any boat type.

**Highlights:** Crowdsourced wind and wave map animation, Route viewing with aerial photos and land maps, Waypoint creation and GPS track saving, Offline map and chart usage, Follow-Me GPS tracking, Optimal tacking distance calculation for sailboats

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WNI Marine Weather Map | $2.99 | per month |
| Wind Animation | $2.99 | per month |
| Navionics Charts | $10.99 | per year |
| ActiveCaptain | Free | one-time |
| Polar Plot Learning | Free | one-time |
| Import NMEA data | $0.99 | one-time |
| SailTimer Pro Bundle | $7.99 | one-time |
| USA Atlantic Coast | $15.99 | one-time |
| USA Pacific Coast | $15.99 | one-time |
| USA Great Lakes | $15.99 | one-time |
| USA Gulf Coast | $15.99 | one-time |
| Cuba, Bahamas, Puerto Rico and US Virgin Islands | $15.99 | one-time |


### NavLink HD

[App page](https://appshunter.io/ios/app/navlink-hd/id1183848518)

Transform your Apple device into a comprehensive chart plotter for marine navigation. Access real-time GPS, AIS overlays, and route planning tools. Unlock advanced features like live internet AIS feeds and augmented reality through in-app purchases.

**Highlights:** Real-time GPS plotting, Live AIS ship overlay, Waypoint and route planning, NMEA instrument gauges, Augmented Reality HorizonView, S57 digital mapping

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weather charts | $8.49 | per year |
| Pro Features | $16.49 | per year |
| German Charts | $16.99 | per year |
| NL & BE Charts | $17.99 | per year |
| US & Great Lakes | $19.99 | per year |
| Portuguese charts | $19.99 | per year |
| French Charts | $22.99 | per year |
| Spanish Charts | $24.99 | per year |
| Croatia charts | $28.99 | per year |
| Canadian Charts | $30.99 | per year |
| Danish Charts | $36.99 | per year |


## Frequently asked questions

### Is SailTimer™ free?

SailTimer™ is free to download, with in-app purchases available.

### Is NavLink HD free?

NavLink HD is free to download, with in-app purchases available.

### Do SailTimer™ or NavLink HD have ads?

Neither SailTimer™ nor NavLink HD shows ads.

### Which is updated more often, SailTimer™ or NavLink HD?

SailTimer™ ships an update every 2 months, and NavLink HD every 5 months. Most recently, SailTimer™ was updated on October 12, 2026 and NavLink HD on October 3, 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.*