# SailTimer™ vs Sailing Master M

The clearest difference is iOS requirement: SailTimer™ at 13.0 against Sailing Master M's 17. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SailTimer™ sells 12 in-app purchases, starting at $2.99 per month and Sailing Master M sells 1 in-app purchase, starting at $11.99 per year. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SailTimer™ | Sailing Master M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sailing-master-m/id1566599912/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 37.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 126 MB | 25 MB |
| Requires iOS | **13.0** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SailTimer Inc.](https://appshunter.io/developer/326309854) | [Pekka Leppanen](https://appshunter.io/developer/1566599914) |

## 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 |


### Sailing Master M

[App page](https://appshunter.io/ios/app/sailing-master-m/id1566599912)

This app provides comprehensive sailing data and performance optimization on various Apple devices. It displays over 35 sailing measurements from boat instruments, polars tables, and nautical charts, offering detailed wind, route, and map views. Connectivity is established through NMEA 0183 Wi-Fi gateways.

**Highlights:** Configurable data displays, 35+ sailing measurements, Wind, route, and map displays, NMEA 0183 Wi-Fi connectivity, Polars table integration, Nautical chart overlays

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro annual | $11.99 | per year |


## Frequently asked questions

### Is SailTimer™ free?

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

### Is Sailing Master M free?

Sailing Master M is free to download, with in-app purchases available.

### Do SailTimer™ or Sailing Master M have ads?

Neither SailTimer™ nor Sailing Master M shows ads.

### Which is updated more often, SailTimer™ or Sailing Master M?

SailTimer™ ships an update every 2 months, and Sailing Master M every 2 months. Most recently, SailTimer™ was updated on October 12, 2026 and Sailing Master M on October 13, 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.*